Exercise 1: Auxiliary Verbs in Present Tense
1. She *is* (be) studying for her exams.
2. We *are* (be) going to the beach this weekend.
3. He *does* (do) not like to eat vegetables.
4. They *have* (have) already finished their homework.
5. He *is* (be) playing basketball right now.
6. She *does* (do) not understand the problem.
7. I *am* (be) not feeling well today.
8. They *are* (be) watching a movie tonight.
9. She *has* (have) never been to Europe.
10. We *do* (do) not know the answer.
11. He *is* (be) coming to the party tonight.
12. They *have* (have) been friends since childhood.
13. She *does* (do) not like to travel alone.
14. I *am* (be) planning a trip to Japan.
15. They *are* (be) not ready for the test.
Exercise 2: Auxiliary Verbs in Past Tense
1. She *was* (be) at the library yesterday.
2. We *were* (be) not home when you called.
3. He *did* (do) not go to the store last night.
4. They *had* (have) already left by the time we arrived.
5. He *was* (be) playing soccer with his friends.
6. She *did* (do) not understand the question.
7. I *was* (be) not feeling well yesterday.
8. They *were* (be) watching a movie when you called.
9. She *had* (have) never been to Asia before her trip last year.
10. We *did* (do) not know the answer to the question.
11. He *was* (be) not at the party last night.
12. They *had* (have) been friends for many years.
13. She *did* (do) not like to travel with a group.
14. I *was* (be) planning a trip to Europe last year.
15. They *were* (be) not ready for the exam last week.
