can and could 1

Exercise -  1

Fill in the blanks with modal verbs can, could, can't, and couldn't.

1. Penguins      swim very well.    

2. I      ran very fast when I was younger.

3. It's snowing, so      we go out now?

4. Yesterday we      play. We had a lot of homework.

5.    you play the piano when you were seven?

6. You have a nice tricycle.      you ride it?

7. He has a broken leg, so he      walk for a few days.

8. I      sleep last night. There was a lot of noise.

9. We came as fast as we   .

10. Why are you crying? Is there something I      do for you?