1. Mr.Quang (teach) has taught in this school since he (graduate) graduated from the university in 1989.
2 My brother (leave) left home 10 years ago. I (never meet) have never met him since then.
3. Where did you (spend) spend your summer holiday last year, Tam?
4. When we (be) were small, our family (live) lived in the countryside.
5. I (read) am reading an interesting book at the moment.
6. How long have you (know) known Mrs.Chi? - I (know) have known her for five years.
7. We (not see) haven't seen her since we (be) were on holiday in Ha Long Bay.
8. Phuong (not finish) hasn't finished her homework yet.
9. It's three years since I last (see) saw Nam.
10. Were you (be) go away? - Yes I (go) went to the country last Sunday.
11. I (not eat) haven't eaten anything for two days.
12. They (move) moved to Ho Chi Minh City in 1990 and (live) have lived there since then.