1. he (not come) to meeting last week
2. my father never (take) medicine
3. there (be) nobody there when i (arrive) yesterday
4. yesterday Hoa and her aunt (go) to the supermarket
5. i (be) fourteen years old next week and so will i
6. you should (add) a little salt to the spinach when you boil it
7. when you (buy) thiss drees? two days ago
8. i hope you (visit) Hanoi soon
9. Hoa (receive) a letter from her mother 2 days ago
10. it stopped (hurt) afterwards
11. the children must (be) back by six o'clock
12. Marconi (invent) radio
13, you ought (finish) your home work before (watch) TV
14. Hoa (have) a lot of friends in Hue
15. the children (like) to play in the park
16. she (not live) with her parents
17. Lan (brush) her teeth after meals
18She (be) 14 on her next birthday
19. she (have) a meeting tonight