Answer Key

Grammar Quiz 17 – Modal Verbs 1

Make opposites. Fill in the right forms of the modal verbs.
  1. Anne has to go to the company party. X Anne  [doesn't have, does not have] to go to the company party. 
  2. I should tell him the truth. X I  [shouldn't, should not] tell him the truth. 
  3. I must study every day. X I  [don't have, do not have] to study every day. 
  4. It may be too difficult. X It  [may not] be so difficult. 
  5. She can do it herself. X She  [can't, cannot] do it herself. 
  6. They may not arrive on time. X They  [may] arrive on time. 
  7. We shouldn't help them. X We  [should] help them. 
  8. It doesn't have to be right away. X It  [has] to be right away. 
  9. John can't play the piano. X John  [can] play the piano. 
  10. My brother doesn't have to attend the meeting. X My brother  [has] to attend the meeting.