動名詞と不定詞:-ing vs. to の完璧ガイド
第10講:動名詞と不定詞 — -ing vs. to の完璧ガイド
「enjoy to do? それとも enjoy doing?」英語を学ぶ多くの人が悩むのが**動名詞(Gerund)と不定詞(Infinitive)**の使い分けです。この講義でスッキリ解決しましょう!
動名詞と不定詞の基本
| 項目 | 動名詞 | 不定詞 |
|---|---|---|
| 形 | 動詞 + -ing | to + 動詞原形 |
| 例 | swimming, reading | to swim, to read |
| 感覚 | 行為そのもの(実際に行っていること) | これから行うこと・可能性 |
動名詞のみ取る動詞
以下の動詞の後は必ず **-ing形(動名詞)**が来ます:
| 動詞 | 例文 |
|---|---|
| enjoy | I enjoy swimming. |
| finish | She finished reading the book. |
| avoid | He avoids making eye contact. |
| keep | Keep trying! |
| suggest | She suggested going to the movies. |
| consider | I’m considering changing jobs. |
| mind | Do you mind opening the window? |
| practice | I practice speaking English daily. |
| give up | He gave up smoking. |
| can’t help | I can’t help laughing. |
覚え方のヒント:過去・中断・回避に関係する動詞は動名詞をとりやすい。
不定詞のみ取る動詞
以下の動詞の後は必ず **to + 原形(不定詞)**が来ます:
| 動詞 | 例文 |
|---|---|
| want | I want to learn French. |
| hope | She hopes to visit Paris. |
| decide | He decided to quit his job. |
| plan | We plan to travel next summer. |
| agree | They agreed to help us. |
| offer | She offered to drive us. |
| refuse | He refused to answer. |
| seem | It seems to be working. |
| manage | She managed to finish on time. |
| fail | He failed to mention it. |
覚え方のヒント:未来・意図・決断に関係する動詞は不定詞をとりやすい。
両方とれるが意味が変わる動詞
以下の動詞は動名詞と不定詞の両方をとれますが、意味が大きく変わります!しっかり覚えましょう。
| 動詞 | + 動名詞 | + 不定詞 |
|---|---|---|
| remember | I remember locking the door.(過去の動作の記憶) | Remember to lock the door.(これからすべきことを覚えている) |
| forget | I forgot meeting her.(過去に会ったことを忘れた) | I forgot to meet her.(会う約束を忘れた) |
| stop | He stopped smoking.(タバコをやめた) | He stopped to smoke.(タバコを吸うために立ち止まった) |
| try | Try adding more salt.(試しに塩を足してみて) | Try to add less sugar.(砂糖を減らそうと努力する) |
| regret | I regret saying that.(あれを言ったことを後悔している) | I regret to say this.(これをお伝えするのは残念ですが) |
両方とれて意味が変わらない動詞
| 動詞 | 動名詞 | 不定詞 |
|---|---|---|
| love | I love swimming. | I love to swim. |
| like | She likes reading. | She likes to read. |
| hate | He hates waiting. | He hates to wait. |
| begin | It began raining. | It began to rain. |
| continue | She continued working. | She continued to work. |
| start | I started feeling sick. | I started to feel sick. |
よくあるミスと修正
- ❌ I enjoy to swim. → ✅ I enjoy swimming.
- ❌ She decided going abroad. → ✅ She decided to go abroad.
- ❌ Stop to talk and listen! → ✅ Stop talking and listen!(動作をやめる)
- ❌ I remember to see you last year. → ✅ I remember seeing you last year.
今日の講義のまとめ
- 動名詞のみとる動詞(enjoy, finish, avoid等)を覚える。
- 不定詞のみとる動詞(want, hope, decide等)を覚える。
- remember/forget/stop/tryは意味が変わることを覚える。
- love/like/hate/beginは両方使えることを把握する。
O
Oiyo
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