3. Fill in the gaps with the correct form of the verbs in brackets. 1. The police (go) after a robber for over an hour.
2. We never(buy) things at the flea market.
3. The waiters already (serve) steamed fish.
4. Vegetables (boil) for 30 minutes.
5. We (try) to find tickets for the concert for three weeks.
6. My sister (write) her new book for the last two months.
7. She (not/read) this book yet.
8. You look tired! you (work) all day?
9. I (not / eat) Chinese food yet.
10. How long you (study) English?
11. How many souvenirs you your sister (buy) in Spain?
12. I (not / see) Tina for ages.
13. I (know) Mrs Brown for twenty years now.
14. Can we go soon? We (walk) around this department store for about last two hours!
15. you (do) your homework yet?