1. How long you (study) English? For 5 years.

2. I (wait) for two hours, but she (not come) yet.

3. They (live) in Ho Chi Minh City since 1975.

4. She (read) all the books written by Dickens. How many books you (read)?

5. He (not, be) here since Christmas, I wonder where he (live) since then.

6. Jack (go) to Paris for a holiday. He never (be) there.

7. You (sleep) so far? I (ring) the bell for the last twenty minutes.

8. He (write) a novel for two years, but he (not finish) it yet.

9. Mary (lose) her hat and she (look) for it until now.

10. I (see) that film several times because I like it.