Exercise: Rewrite the sentences, using the present perfect for the verbs in parentheses.
Example:
Tom is not at work. He (left) for the day. ==> Tom is not at work. He’s left for the day.
1. Jack has cut the grass.
2. She has baked a cake for tomorrow’s party.
3. We have exercised this morning.
4. Kelly has eaten supper with her friends.
5. Have you washed the clothes?
6. The light bulb has burned out.
7. Mary has been in an auto accident.
8. The dog has been fed.
9. Archeologists have dug up a dinosaur bone.
10. Customers have come to the store for a free book.
Exercise: Rewrite the sentences, using the simple past for the verbs in parentheses.
Example:
Tim (has gone) to bed. ==> Tim went to bed.
1. The plane came to a complete stop.
2. Sally finished reading War and Peace.
3. Everyone went home for the day.
4. The senator already gave his speech.
5. The clock stopped.
6. These books were checked out from the library.
7. The luggage was put on the train.
8. Matt got first place in several tennis tournaments.
9. The baby took his first steps.
10. My favorite TV program was canceled.