Active:
the news surprised us

passive
we were surprised at/by the news


surprise takes both preposition at and by. which would be used in the passive form and why?

Dear student,

The correct option would be 'By' because the news performed an action on its audience and hence, its action will be denoted with the use of 'by'.

I hope the explanation is of ample help to you.

Regards

  • 3
at will be used. I don't know the cause.
  • -3
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