Preventの後には 所有形容詞 + 動名詞 や目的語+ from + 動名詞がよく来ます。主語を使う必要がない場合はPrevent のすぐ後に動名詞が続く 場合や 名詞が続く場合もあります。
例
- You can't prevent my leaving.
- You can't prevent me from leaving.
- I want to prevent his getting sick.
- I want to prevent him from getting sick.
- This campaign is designed to prevent drowning.
- Preventing stealing is our main goal this year.
- We are working to prevent forest fires.
- This vaccine will prevent malaria.
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