Cover of the textbook English Grammar in Use

The key answer of exercise 32.5

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

Question

Are these sentences OK? Change them where necessary.

Answer

  1. We don't need to hurry.
  2. OK
  3. You needn't shout. / You don't need to shout. / You don't have to shout.
  4. I didn't need to go out. / I didn't have to go out.
  5. OK
  6. You needn't lock the door. / You don't need to lock the door. / You don't have to lock the door.
  7. I didn't need to say anything. / I didn't have to say anything.
  8. OK