M003 - Modal Verbs : CAN COULD and BE ABLE TO

Gap-fill exercise

Fill in all the gaps, then press "Check" to check your answers. Use the "Hint" button to get a free letter if an answer is giving you trouble. You can also click on the "[?]" button to get a clue. Note that you will lose points if you ask for hints or clues!

Complete the sentences using CAN/ CAN'T / COULD/ COULDN'T / or a form of BE ABLE TO .

  1. George has travelled a lot . He speak four languages.
  2. I haven't sleep very well recently.
  3. Sarah drive but she hasn't got a car.
  4. Sorry, I see you on Friday, but we may meet some time next week.
  5. My grandfather was a very clever man. He speak three languages.
  6. I can't understand Martin. I have never understand him.
  7. I used to stand on my head but I do that anymore.
  8. Ask Catherine about your problem. She might help you.
  9. She spoke in a very low tone, but I understand what she said.
  10. Laura hurt her leg, so she walk very well.
  11. I'm afraid I come to your party next weekend. I have to help Marvin paint his room.
  12. We tried hard but we persuade him to come with us.