I. Verb form :
1. She ( come) until she finish her work.
2. If you (be) you ,I (phone) her.
3. They often (catch) a bus to work when they were young.
4. she wishes she (understand) me.
5. An hour ago , she (stand) on the chair.
6. She said she ( swim) in the sea.
7. He ( swim) for an hour.
8.She is happy (receive) his letter.
9. If she (break) the cup ,she would be punished .
10. A cup ( treat) since yesterday.
11. He ( fly) to Moscow several times.
12. He ( choose) to be a president next year.
13. For centuries , people ( challenge) by the mysteries.
14. If you (find) any mistakes ,show them to the teacher.
15. They ( tell) to stay in bed everyday.
16. The guests ( invite) to the party last week.
17. He told me ( not talk) too much .
18. I asked her if she ( invite) me to the party the next day.
19. I ( be not ) at home every often.
20. We will go when it ( stop) raining.
1. She ( come) won't come until she finish her work.
2. If you (be)were you ,I (phone) would phone her.
3. They often (catch) caught a bus to work when they were young.
4. she wishes she (understand)understood me.
5. An hour ago , she (stand) stood on the chair.
6. She said she ( swim) swam in the sea.
7. He ( swim) has swum for an hour.
8.She is happy (receive)to receive his letter.
9. If she (break) broke the cup ,she would be punished .
10. A cup ( treat)has been treated since yesterday.
11. He ( fly) has flown to Moscow several times.
12. He ( choose) is chosen to be a president next year.
13. For centuries , people ( challenge)have been challange by the mysteries.
14. If you (find)find any mistakes ,show them to the teacher.
15. They ( tell)were told to stay in bed everyday.
16. The guests ( invite)were invited to the party last week.
17. He told me ( not talk)not to talk too much .
18. I asked her if she ( invite) me to the party the next day.
19. I ( be not ) am not at home every often.
20. We will go when it ( stop) stops raining.
