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Choose the correct form of PASSIVE VOICE for the following. They have known him for a long time.

Question and options

Choose the correct form of PASSIVE VOICE for the following.
They have known him for a long time.
  1. He was known by them for a long time.
  2. He may be known by them for a long time.
  3. He has been known by them for a long time.
  4. He is known by them for a long time.

Answer and explanation

Correct answer: C - He has been known by them for a long time.
'Have known' is present perfect, so the passive keeps the present perfect: 'He has been known by them for a long time.' 'Was known' and 'is known' change the tense, and 'may be known' adds a modal that is not in the sentence.

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  • CUSAT CAT M.Sc. Bioethics

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