I. Put the verbs in brackets in the correct tenses:
1. Lan always (go) home after school, but now she (do) the exercises because she (have) a Math test tomorrow.
2. We (study) English for 4 years
3.They (buy) a new house last year.
4. Yesterday, when I (come) to her house, she (cook) dinner.
5. They(not/know) the new teacher yet.
6. I (live) here since I was born.
7. They (give) me the letter a few minutes ago.
8. When I saw him, he (sit) asleep in a chair.
9. What you (do) at 7 p.m yesterday?
10. My brother (write) several plays.
11. We (learn) English now.
12. He (write) a long novel at present.
13. My friends and I (go) fishing tomorrow.
14. Before you (go) out, you (do) your homework.