Cover of the textbook English Grammar in Use

The key answer of exercise 32.4

The key to exercise solutions in chapter Unit 32 - must / mustn't / needn't for the textbook English Grammar in Use with authors Raymond Murphy from Cambridge University Press


Write two sentences for each situation. Use needn't have in the first sentence and could have in the second (as in the example). For could have, see Unit 27.


  1. You needn't have rushed. You could have taken your time.
  2. You needn't have walked home. You could have taken a taxi.
  3. They needn't have stayed at a hotel. They could have stayed with us.
  4. She needn't have phoned me at 3 am. She could have waited until the morning.
  5. You needn't have shouted at me. You could have been more patient.