英検2級ライティングは「暗記で合格」する！厳選予想テーマ50＆丸暗記OKの鉄板答案集

【完全版】英検2級ライティング予想問題50選＆最強模範解答集（80〜100語・万能テンプレート付き）

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英検2級のライティング（意見論述）は、難しい単語や複雑な文法を使う必要はありません。採点者に「論理的で読みやすい」と思わせる「鉄板の型」に当てはめるだけで、誰でも簡単に合格点が取れます。

本書に掲載されている50個の模範解答は、すべて以下の「4部構成（約90語）」で統一されています。

1. 導入（立場明確化）： I think that [トピック]. / I do not think that [トピック].
2. 理由①： First, [理由]. For example, [具体的な補足].
3. 理由②： Second, [理由]. This allows people to [具体的なメリット].
4. 結論（再主張）： For these reasons, I believe that [トピック].

この50パターンをストックとして持っておけば、本番でどんなテーマが出ても、単語を少し入れ替えるだけで合格答案が作れるようになります。

予想問題＆模範解答 50選

【カテゴリー1：テクノロジー・デジタル化】

01. AIツールの学校での利用

• Question: Do you think students should be allowed to use AI tools for school assignments?

• Answer: I think that students should be allowed to use AI tools for school assignments. First, these tools can help students study more efficiently. For example, they can get ideas or check their grammar instantly. Second, learning how to use AI is an essential skill for their future careers, as technology is developing rapidly. By using AI in school, students can prepare for the modern digital business world. For these reasons, I believe that using AI tools is beneficial for students. (83 words)

02. キャッシュレス社会

• Question: Do you think Japan will become a completely cashless society in the future?

• Answer: I think that Japan will become a completely cashless society in the future. First, cashless payments are much more convenient than using paper money. People do not need to carry heavy wallets, and shopping becomes faster at supermarkets. Second, it is highly beneficial for the tourism industry. Many foreign tourists prefer using credit cards or smartphones to pay for things. Making payments easier will encourage them to spend more money. For these reasons, I believe a cashless society is a positive trend. (85 words)

03. 電子書籍の普及

• Question: Do you think digital books will completely replace printed books in the future?

• Answer: I do not think that digital books will completely replace printed books in the future. First, many people still prefer the feeling of reading paper books. Reading on screens for a long time can cause eye strain, so printed books are better for health. Second, paper books do not require electricity or internet connections. People can read them anytime and anywhere without worrying about battery life. For these reasons, I believe that printed books will remain popular among readers. (82 words)

04. オンラインショッピング

• Question: Today, many people buy things online. Do you think this is a good trend?

• Answer: I think that buying things online is a good trend. First, online shopping saves a lot of time for busy people. They can purchase items at any time of day without visiting physical stores. Second, people can easily compare prices from different websites to find the cheapest option. This helps consumers save money on their daily shopping. For these reasons, I believe that the popularity of online shopping brings great benefits to our lives. (78 words)

05. 自動運転車（EV/Autonomous Cars）

• Question: Do you think autonomous cars will become popular in the near future?

• Answer: I think that autonomous cars will become popular in the near future. First, they can reduce traffic accidents caused by human errors, such as distracted driving or fatigue. This will make our roads much safer for everyone. Second, automatic driving will help elderly people who live in rural areas. They can travel to hospitals or grocery stores easily without relying on public transportation. For these reasons, I believe that autonomous cars will be widely used soon. (79 words)

【カテゴリー2：環境・エコ】

06. プラスチック製品の禁止

• Question: Should governments completely ban single-use plastic items?

• Answer: I think that governments should completely ban single-use plastic items. First, plastic waste causes serious damage to marine environments. Many sea animals die from eating plastic pollution in the ocean. Second, reducing plastic use helps lower greenhouse gas emissions because making plastic requires burning fossil fuels. Shifting to reusable alternatives will protect our planet for future generations. For these reasons, I believe that banning single-use plastics is necessary for environmental protection. (75 words)

07. 食品ロスの削減

• Question: Do you think restaurants should be penalized for wasting too much food?

• Answer: I think that restaurants should be penalized for wasting too much food. First, throwing away edible food is a serious ethical problem while many people suffer from hunger globally. Penalties will encourage restaurants to manage their ingredients more carefully. Second, food waste produces greenhouse gases when it decays in landfills. Reducing waste is directly connected to stopping global warming. For these reasons, I believe laws against food waste are necessary for a sustainable society. (77 words)

08. リサイクルの義務化

• Question: Should households be fined if they do not separate their garbage correctly?

• Answer: I think that households should be fined if they do not separate their garbage correctly. First, stricter rules will motivate people to pay more attention to recycling. This will significantly reduce the total amount of waste sent to landfills. Second, recycling helps save valuable natural resources, such as paper and metals. Protecting these resources is crucial for the environment. For these reasons, I believe that implementing fines is an effective way to improve recycling rates. (78 words)

09. 再生可能エネルギー

• Question: Do you think Japan should use more renewable energy, such as solar or wind power?

• Answer: I think that Japan should use more renewable energy, such as solar or wind power. First, renewable energy does not produce harmful greenhouse gases during electricity generation. This is essential for combating global warming. Second, using solar and wind power reduces Japan’s dependence on foreign oil and gas. This will make the nation's energy supply more stable and secure in the future. For these reasons, I believe increasing renewable energy is a great idea. (79 words)

10. 地産地消（Local Food）

• Question: Do you think people should buy more locally grown food?

• Answer: I think that people should buy more locally grown food. First, local food is fresher and healthier because it does not travel long distances to reach stores. This makes meals taste much better for families. Second, buying local products supports farmers in the community, which boosts the local economy. It also reduces carbon emissions from transportation vehicles like trucks. For these reasons, I believe that choosing local food is beneficial for both people and the planet. (80 words)

【カテゴリー3：学校・教育】

11. 小学校でのプログラミング教育

• Question: Do you think elementary schools should teach computer programming to children?

• Answer: I think that elementary schools should teach computer programming to children. First, programming helps children develop logical thinking and problem-solving skills from a young age. These skills are useful for studying other subjects like math. Second, basic computer knowledge is necessary for almost all jobs in the modern digital world. Starting early will give children more opportunities in their future careers. For these reasons, I believe that programming education is highly valuable for young students. (79 words)

12. 学校でのスマートフォン禁止

• Question: Should junior high and high school students be banned from using smartphones during school hours?

• Answer: I think that students should be banned from using smartphones during school hours. First, smartphones can easily distract students from their studies. If they are checking social media, they cannot focus on their teachers' lessons. Second, banning phones encourages students to talk and play face-to-face with their classmates during breaks. This helps them build better communication skills and stronger friendships. For these reasons, I believe that smartphone restrictions at school are beneficial. (78 words)

13. 大学生のアルバイト

• Question: Is it a good idea for university students to work part-time jobs?

• Answer: I think it is a good idea for university students to work part-time jobs. First, part-time jobs allow students to gain valuable real-world experience before they start their full-time careers. They can learn important social skills, such as manners and teamwork. Second, earning their own money helps students become financially independent. They can pay for their textbooks or hobbies without relying completely on their parents. For these reasons, I believe working part-time is beneficial for students. (81 words)

14. 学校でのボランティア義務化

• Question: Should high schools require their students to participate in volunteer activities?

• Answer: I think that high schools should require their students to participate in volunteer activities. First, volunteering helps students learn about various social issues, such as poverty and environmental problems. This experience makes them more responsible citizens. Second, working together to help others allows students to improve their communication skills and empathy. It can also help them discover what they want to do in the future. For these reasons, I believe volunteering should be mandatory. (78 words)

15. オンライン授業の是非

• Question: Do you think online classes are as effective as traditional classroom lessons?

• Answer: I do not think that online classes are as effective as traditional classroom lessons. First, it is difficult for students to stay focused during online lessons because there are many distractions at home. Teachers cannot check students' attention easily. Second, traditional classrooms allow students to interact with peers and ask questions directly to teachers. This social interaction is a crucial part of school life. For these reasons, I believe that traditional face-to-face lessons are much better for students. (81 words)

16. 学校の制服

• Question: Do you think school uniforms are necessary for high school students?

• Answer: I think that school uniforms are necessary for high school students. First, wearing uniforms saves students a lot of time in the morning because they do not have to choose their outfits. This allows them to focus more on preparing for school. Second, uniforms create a sense of equality among students, regardless of their family's wealth. It prevents discrimination based on expensive fashion trends. For these reasons, I believe that school uniforms are beneficial. (79 words)

17. 留学の重要性

• Question: Do you think it is important for young people to study abroad?

• Answer: I think it is very important for young people to study abroad. First, studying in a foreign country is the fastest way to improve language skills through daily conversation. Students can gain confidence in speaking English. Second, experiencing a different culture broadens their perspectives and helps them become more open-minded. This international experience will be highly valued in our globalized society. For these reasons, I believe that studying abroad is a great opportunity. (79 words)

18. クラブ活動の強制

• Question: Should all students be required to join a school club activity?

• Answer: I do not think that all students should be required to join a school club activity. First, some students need more time to focus on their academic studies or private lessons outside of school. Forcing them to join clubs might hurt their grades. Second, students should have the freedom to choose how they spend their free time. They can learn valuable skills through hobbies at home or with family. For these reasons, club activities should be optional. (81 words)

19. 英語の早期教育

• Question: Should English education be mandatory from elementary school?

• Answer: I think that English education should be mandatory from elementary school. First, children can absorb new languages much more easily than adults. Starting early helps them develop natural pronunciation and listening skills. Second, English is the most spoken language in the world. Learning it from childhood will give students a strong advantage in the global future. For these reasons, I believe that starting English education early is highly beneficial for children. (76 words)

20. 夏休みの宿題

• Question: Do you think schools should give students less homework during summer vacation?

• Answer: I think that schools should give students less homework during summer vacation. First, summer vacation is a great opportunity for students to experience things outside of the classroom, such as traveling or camping. Too much homework limits their time for these activities. Second, having less pressure allows students to relax and reduce stress, which is good for their mental health. For these reasons, I believe students should have less homework in the summer. (79 words)

【カテゴリー4：ライフスタイル・健康】

21. 朝型の生活（Early Bird）

• Question: Do you think waking up early and exercising in the morning is good for health?

• Answer: I think that waking up early and exercising in the morning is highly beneficial for health. First, morning exercise boots our metabolism and keeps us energetic throughout the day. This helps people focus better on their work or studies. Second, establishing a morning routine improves the quality of sleep at night. Getting enough rest is essential for maintaining a strong immune system. For these reasons, I believe that morning exercise is an excellent habit to develop. (80 words)

22. ファストフードの増税（Fat Tax）

• Question: Should governments place a higher tax on unhealthy foods, like fast food?

• Answer: I think that governments should place a higher tax on unhealthy foods. First, high taxes will discourage people from buying junk food too often. This can reduce serious health problems, such as obesity and heart disease. Second, the tax money collected can be used to lower the prices of fresh vegetables and fruits. This will make healthy food more affordable for everyone. For these reasons, I believe taxing unhealthy food is a good policy. (79 words)

23. 定額制サービス（サブスク）

• Question: Today, many people use subscription services for music and movies. Do you think this is a good trend?

• Answer: I think that using subscription services for music and movies is a good trend. First, these services are much cheaper than buying individual CDs or DVDs. Users can enjoy unlimited content for a low monthly fee. Second, subscription services allow people to discover new artists or films easily. They can access a wide variety of entertainment from anywhere using their smartphones. For these reasons, I believe that subscription services make our lives better. (78 words)

24. キャンプ・アウトドア活動

• Question: Why do you think outdoor activities like camping are becoming more popular?

• Answer: I think that outdoor activities like camping are becoming more popular for two reasons. First, spending time in nature helps people reduce stress from their busy city lives. The fresh air and quiet environment can heal their minds. Second, camping is a wonderful way to spend quality time with family and friends. Working together to set up tents or cook meals strengthens human relationships. For these reasons, I believe outdoor activities are attractive to many people. (81 words)

25. 在宅勤務（テレワーク）

• Question: Do you think more companies will allow employees to work from home in the future?

• Answer: I think that more companies will allow employees to work from home in the future. First, remote work saves employees a lot of time because they do not have to commute on crowded trains. This allows them to have a better work-life balance. Second, companies can save money on office rent and electricity bills. This increases their overall business efficiency. For these reasons, I believe that working from home will become more common. (79 words)

26. ペットショップの規制

• Question: Do you think people should adopt pets from animal shelters instead of buying them from pet shops?

• Answer: I think that people should adopt pets from animal shelters instead of buying them from pet shops. First, adopting helps save the lives of abandoned animals that might otherwise be killed. It gives these lonely animals a second chance to be happy. Second, buying from pet shops supports a commercial industry that sometimes treats animals poorly for profit. Adopting is a more ethical choice. For these reasons, I believe that adoption is the better option. (80 words)

27. 定年退職の延長

• Question: Should people continue working after the age of 65?

• Answer: I think that people should continue working after the age of 65. First, working keeps older people physically active and mentally sharp, which is excellent for their health. It prevents them from becoming isolated from society. Second, Japan faces a serious labor shortage due to the shrinking population. Experienced elderly workers can support businesses and train younger generations. For these reasons, I believe that working past 65 brings major benefits to both individuals and society. (80 words)

28. 健康のための歩行

• Question: Do you think people should walk more instead of using cars or trains?

• Answer: I think that people should walk more instead of using cars or trains. First, walking is a simple and free exercise that helps prevent lifestyle diseases, such as diabetes. It improves overall physical fitness easily. Second, choosing to walk instead of driving reduces air pollution caused by car exhaust gases. This contributes to protecting the global environment from climate change. For these reasons, I believe that walking more is a wonderful habit for everyone. (80 words)

29. 大都市への引っ越し

• Question: Is it a good idea for young people from rural areas to move to big cities?

• Answer: I think it is a good idea for young people to move to big cities. First, big cities offer far more job opportunities and higher salaries than rural areas. This allows young workers to advance their careers quickly. Second, cities have better public transportation and a wide variety of cultural facilities, like museums and theaters. This makes daily life more exciting and convenient. For these reasons, I believe moving to big cities is beneficial. (80 words)

30. 自炊 vs 外食

• Question: Do you think it is better for people to cook at home rather than eat out?

• Answer: I think that it is better for people to cook at home rather than eat out. First, home-cooked meals are much healthier because people can control the amount of salt, oil, and sugar they use. This helps prevent health problems. Second, cooking at home is significantly cheaper than eating at restaurants. It allows families to save money for other important things, like education or travel. For these reasons, I believe cooking at home is the best choice. (81 words)

【カテゴリー5：社会・地域コミュニティ】

31. 高齢者の運転免許返納

• Question: Should elderly drivers be required to give up their driver's licenses?

• Answer: I think that elderly drivers should be required to give up their driver's licenses. First, as people age, their reflexes and eyesight tend to get weaker. This increases the risk of serious traffic accidents on public roads. Second, there are now many alternative transportation options, such as taxis or community buses, as well as online grocery delivery services. Giving up licenses will make communities much safer for pedestrians. For these reasons, I believe this policy is necessary. (80 words)

32. ふるさと納税・地方の応援

• Question: Do you think people should spend more money to support rural towns?

• Answer: I think that people should spend more money to support rural towns. First, many small towns in Japan are suffering from a declining population and economic problems. Financial support can help them maintain public facilities like schools and hospitals. Second, supporting rural areas protects beautiful nature and traditional cultures that big cities do not have. This ensures that Japan remains diverse and attractive. For these reasons, I believe that supporting rural towns is highly important. (81 words)

33. 防犯カメラの設置

• Question: Do you think more surveillance cameras should be installed in public places?

• Answer: I think that more surveillance cameras should be installed in public places. First, the presence of cameras can discourage criminals from committing crimes, such as theft or vandalism. This makes neighborhoods much safer for children and women at night. Second, recorded video footage can help the police solve crimes and catch criminals quickly. For these reasons, I believe that installing more cameras brings great security benefits to our society. (77 words)

34. 歴史的建造物の保存

• Question: Should governments spend tax money to preserve old, historical buildings?

• Answer: I think that governments should spend tax money to preserve historical buildings. First, these buildings are valuable cultural assets that teach us about our history and heritage. They connect the past to future generations. Second, well-preserved historical sites attract many tourists from both home and abroad. This boosts the local economy and creates new jobs for residents. For these reasons, I believe that using tax money for preservation is a wise investment. (79 words)

35. 公共交通機関の無料化

• Question: Should public transportation, such as buses and trains, be free for everyone?

• Answer: I do not think that public transportation should be free for everyone. First, maintaining trains and buses requires a massive amount of money for safety checks and fuel. If tickets are free, the quality and safety of services might decrease. Second, governments would have to raise taxes significantly to cover the operating costs. This would place a heavy financial burden on citizens who do not use public transport. For these reasons, it should not be free. (81 words)

36. 英語の案内表示の増加

• Question: Should towns in Japan add more English signs in public spaces?

• Answer: I think that towns in Japan should add more English signs in public spaces. First, English signs are incredibly helpful for foreign tourists who cannot read Japanese characters. This makes their travel safer and more enjoyable. Second, having more international signs will make Japan a more welcoming place for foreign workers and students. This will help local communities globalize and grow in the future. For these reasons, I believe increasing English signs is a positive step. (81 words)

37. 住民運動と公園の建設

• Question: Do you think city governments should build more parks in urban areas?

• Answer: I think that city governments should build more parks in urban areas. First, parks provide a safe place for children to play outdoor sports and exercise. This is crucial for their physical health and growth. Second, green spaces in big cities allow adults to relax and connect with nature, reducing daily stress. Parks also act as evacuation areas during natural disasters like earthquakes. For these reasons, I believe building more urban parks is highly beneficial. (80 words)

38. 在日外国人の増加

• Question: Will the number of foreign workers in Japan increase in the future?

• Answer: I think that the number of foreign workers in Japan will increase in the future. First, Japan is facing a serious labor shortage due to its shrinking and aging population. Many industries, such as construction and nursing, urgently need more workers. Second, the Japanese government is changing visa laws to make it easier for foreigners to live and work here. For these reasons, I believe we will see many more international workers in our communities soon. (81 words)

39. 伝統行事・祭りの維持

• Question: Should young people participate more in traditional local festivals?

• Answer: I think that young people should participate more in traditional local festivals. First, festivals are a vital part of local culture and history. Without the help of younger generations, these unique traditions might disappear forever. Second, participating in local events allows young residents to connect with older neighbors and build a stronger, friendlier community. This makes neighborhoods safer and better to live in. For these reasons, I believe youth participation is essential. (78 words)

40. マイナンバーカードの義務化

• Question: Do you think digital identification cards should be mandatory for all citizens?

• Answer: I think that digital identification cards should be mandatory for all citizens. First, these cards make government procedures much faster and more efficient. People can obtain official documents online without waiting in long lines at city hall. Second, integrating health insurance and banking with one digital card reduces administrative mistakes and prevents fraud. For these reasons, I believe that mandatory digital ID cards are a necessary step for a modern society. (77 words)

【カテゴリー6：ビジネス・働き方】

41. 週休3日制（4-day Workweek）

• Question: Should companies introduce a four-day workweek for their employees?

• Answer: I think that companies should introduce a four-day workweek for their employees. First, having an extra day off allows workers to rest properly and reduce job stress. This will improve their mental and physical health. Second, employees can use the free time to learn new skills or spend time with family, which increases their happiness. Happy workers are often more productive when they return to the office. For these reasons, I believe a four-day workweek is beneficial. (80 words)

42. 副業の解禁

• Question: Do you think companies should allow their workers to have second jobs?

• Answer: I think that companies should allow their workers to have second jobs. First, having a second job allows employees to earn extra income, which helps financial security in an unstable economy. Second, workers can gain new skills and experiences outside their main company. This knowledge can bring fresh, innovative ideas back to their primary workplace, improving overall business growth. For these reasons, I believe allowing side jobs is a wise policy for modern companies. (79 words)

43. レジ袋の有料化

• Question: Has charging money for plastic shopping bags been effective in Japan?

• Answer: I think that charging money for plastic shopping bags has been effective. First, it successfully raised environmental awareness among citizens. Now, most people bring their own reusable eco-bags when they go shopping. Second, this policy has significantly reduced the amount of plastic waste produced by supermarkets and convenience stores. This is a big step toward reducing global ocean pollution. For these reasons, I believe that charging for plastic bags is a great success. (79 words)

44. 定年制の廃止

• Question: Should companies abolish the mandatory retirement age system?

• Answer: I think that companies should abolish the mandatory retirement age system. First, many senior citizens are still healthy and want to continue working past the traditional retirement age. Abolishing the system respects their desire to stay active. Second, Japan suffers from a lack of workers. Keeping experienced older employees allows businesses to maintain high-quality services and pass on skills to younger workers. For these reasons, I believe retirement ages should be removed. (78 words)

45. 女性管理職の増加

• Question: Should companies promote more women to executive management positions?

• Answer: I think that companies should promote more women to executive management positions. First, having female leaders brings diverse perspectives to business discussions. This can lead to new ideas and better products that appeal to female consumers. Second, seeing women in high positions motivates younger female employees to work harder and stay at the company long-term. This will create a fairer and more equal workplace. For these reasons, I believe this promotion is necessary. (79 words)

46. 成果主義の導入（Performance-based Pay）

• Question: Should salaries be based on job performance rather than the number of years worked?

• Answer: I think that salaries should be based on job performance. First, this system motivates employees to work harder and be more productive because their efforts are directly rewarded with higher pay. Second, it is fairer for young, talented workers who contribute a lot to the company but receive low salaries under the traditional seniority system. For these reasons, I believe performance-based pay is a better system for modern businesses. (77 words)

47. オーバーツーリズムへの対策

• Question: Should famous tourist spots limit the number of foreign visitors?

• Answer: I think that famous tourist spots should limit the number of foreign visitors. First, too many tourists cause serious problems for local residents, such as heavy traffic congestion and crowded public buses. Second, large crowds can accidentally damage historical buildings and pollute beautiful natural areas with garbage. Protecting the living environment and culture is more important than tourism profits. For these reasons, I believe tourist limitations are necessary. (77 words)

48. 電気自動車（EV）への移行

• Question: Will electric cars replace gasoline cars completely in the future?

• Answer: I think that electric cars will replace gasoline cars completely in the future. First, many countries are creating strict laws to stop selling gasoline cars to combat climate change. Automakers are shifting all their production to electric models. Second, battery technology is improving rapidly, making electric cars cheaper and able to drive longer distances. As a result, more consumers will naturally choose to buy them. For these reasons, EV popularization is inevitable. (78 words)

49. 有給休暇の義務化

• Question: Should workers be forced by law to take all of their paid vacation days?

• Answer: I think that workers should be forced by law to take all of their paid vacation days. First, many Japanese workers feel guilty about taking days off, leading to severe overwork and health issues. A legal requirement will protect their well-being. Second, taking vacations allows employees to refresh their minds and bodies. When they return to work, their focus and efficiency will increase. For these reasons, mandatory vacation laws are beneficial. (78 words)

50. 英語の社内公用語化

• Question: Should Japanese companies use English as their official workplace language?

• Answer: I do not think that Japanese companies should use English as their official workplace language. First, it can cause major communication misunderstandings among employees who are not fluent in English. This could slow down daily business operations. Second, forcing workers to speak English increases unnecessary stress, which might decrease job satisfaction and productivity. For these reasons, I believe that Japanese should remain the primary official language for most domestic companies. (78 words)

おわりに

ここまでお読みいただき、ありがとうございました。 英検2級のライティングは、正しい戦略と事前の準備さえあれば、決して恐れる必要はありません。本書でご紹介した予想問題と暗記フレーズを繰り返し復習し、ぜひ本番で高得点を叩き出してください。

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