Cách dùng động từ"prevent"tiếng anh

· Cách dùng từ

I."prevent" là ngoại động từ

II. Cách dùng

1. Mang nghĩa"ngăn cản; ngăn chặn, ngăn ngừa điều gì không xảy ra"

=To prevent something means to ensure that it does not happen/to stop something from happening


  • prevent something (from) happening

IELTS TUTOR xét ví dụ:

  • your timely action prevented a serious accident (IELTS TUTOR giải thích: hành động kịp thời của anh đã ngăn chận được một tai nạn nghiêm trọng)
  • to prevent the spread of a disease /a disease from spreading (IELTS TUTOR giải thích: ngăn chận bệnh lan ra) 
  • These methods prevent pregnancy. 
  • Further treatment will prevent cancer from developing.
  • Regular cleaning may help prevent infection. 
  • If necessary, add a little water to prevent sticking. 
  • Rubber seals are fitted to prevent gas from escaping.
  • We recognized the possibility and took steps to prevent it happening.

2. Mang nghĩa"ngăn cản ai làm gì"

=To prevent someone from doing something means to make it impossible for them to do it/to stop someone from doing something


  • prevent someone (from) doing something

IELTS TUTOR xét ví dụ:

  • He said this would prevent companies from creating new jobs. 
  • Its nationals may be prevented from leaving the country. 
  • The police have been trying to prevent them carrying weapons.
  • We tried to prevent her, but she was determined to go. 
  • The owner is prevented by law from making any major changes. 
  • She was sure the noise would prevent her sleeping at night.
  • nobody can prevent us from getting married = nobody can prevent our getting married (IELTS TUTOR giải thích: không ai có thể ngăn cản chúng tôi kết hôn)

3. Không dùng prevent đi với to inf


  • Prevent là ngoại động từ nên lúc nào cũng sẽ kèm theo với object (tân ngữ) (The verb prevent is never followed by an infinitive. Use the patterns prevent someone/something doing something or prevent someone/something from doing something)

IELTS TUTOR xét ví dụ:

    • ✗ They tried to prevent me to leave.
    • ✓ They tried to prevent me leaving.
    • ✓ They tried to prevent me from leaving.
    • ✓ The main task of the police is to detect and prevent crime.

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