Practice Makes Perfect

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  1. I have worked all day.

  2. The tourists have flown around the world.

  3. My parents have walked along the river.

  4. Has the boy put his toys away?

  5. She has taught us all that she knows.


Rewrite the present tense sentences in the present perfect tense.


  1. Ms. Nellum takes the boy home.

  2. We ride on a bus.

  3. They are riding their bikes.

  4. Do you often make cookies?

  5. She does not understand.

  6. They are doing their homework.

  7. I am going to the same class.

  8. He often breaks his bat.


exercise 5-15


Verbs 35

02 (017-043) Unit 5 11/3/04 1:41 PM Page 35

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