Exercise

Say the opposite and fill in the correct form of the modal verb...
  1. We should think about it. - We  [shouldn't, should not] think about it.
  2. We needn't change anything. - We  [have] to change something.
  3. She had to cook dinner for her husband. - She  [didn't have to, did not have to] cook dinner for her husband.
  4. You mustn't go to the meeting. - You  [can, may] go to the meeting.
  5. Tina doesn't have to work on Fridays. - Tina  [has] to work on Fridays.
  6. We must study hard. - We  [don't have to, do not have to] study hard.
  7. They shouldn't tell anybody. - They  [should] tell somebody.
  8. I can go there without you. - I  [can't, cannot] go there without you.
  9. Amy can't speak German. - Amy  [can] speak German.
  10. She has to give him $10.000. - She  [doesn't have, does not have] to give him $10.000.