### Exercise 1: Rewrite each sentence as a positive, negative, or question.

1. Tom (see) this film before.
- Positive: Tom has seen this film before.
- Negative: Tom has not seen this film before.
- Question: Has Tom seen this film before?

2. I (finish) my exercise already.
- Positive: I have finished my exercise already.
- Negative: I have not finished my exercise already.
- Question: Have I finished my exercise already?

3. They (live) here since 1990.
- Positive: They have lived here since 1990.
- Negative: They have not lived here since 1990.
- Question: Have they lived here since 1990?

4. My father (just wash) his car.
- Positive: My father has just washed his car.
- Negative: My father has not just washed his car.
- Question: Has my father just washed his car?

5. The students (discuss) the question recently.
- Positive: The students have discussed the question recently.
- Negative: The students have not discussed the question recently.
- Question: Have the students discussed the question recently?

6. Mary (never be) to Ha Noi.
- Positive: Mary has never been to Ha Noi.
- Negative: Mary has not never been to Ha Noi.
- Question: Has Mary never been to Ha Noi?

7. We (know) each other for 5 years.
- Positive: We have known each other for 5 years.
- Negative: We have not known each other for 5 years.
- Question: Have we known each other for 5 years?

8. So far we (learn) five lessons.
- Positive: So far we have learned five lessons.
- Negative: So far we have not learned five lessons.
- Question: Have we learned five lessons so far?

9. We (be) pen pals for a long time.
- Positive: We have been pen pals for a long time.
- Negative: We have not been pen pals for a long time.
- Question: Have we been pen pals for a long time?

10. They (stay) here since last week.
- Positive: They have stayed here since last week.
- Negative: They have not stayed here since last week.
- Question: Have they stayed here since last week?

### Exercise 2: Put the verbs in brackets in the correct tense.

1. Bob (see) this movie before.
- Bob has seen this movie before.

2. Sandra (lend) her brother $200 so far.
- Sandra has lent her brother $200 so far.

3. Rashid (just pass) his driving test.
- Rashid has just passed his driving test.

4. Karen (study) Italian for three years now and is studying.
- Karen has studied Italian for three years now and is studying.

5. The teacher (already tell) to be quiet.
- The teacher has already told them to be quiet.

6. Tim (not take) many photos yet.
- Tim has not taken many photos yet.

7. Jorge (read) the newspaper already.
- Jorge has read the newspaper already.

8. We (not begin) to study for the test yet.
- We have not begun to study for the test yet.

9. John and I (be) pen pals for nearly 3 years.
- John and I have been pen pals for nearly 3 years.

10. He (wear) the same coat since he moved here.
- He has worn the same coat since he moved here.