يُمْكِن أن يأتي بَعْد prevent إما صفة ملكية + صيغة الـ gerund أو مفعول +from + صيغة الـ gerund. قد تُتْبَع prevent مباشرة بصيغة الـ gerund عندما لا يكون من الضروري ذِكْر الفاعل. يُمْكِن أيضًا أن يأتي بَعْدها اسمأيضًا.
أمثلة
- 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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