1.When your father (die) die ?
I (not know) don't know when he (die) die
2. Bill said he (forget) forget to buy a dictionary.
3. He felt asleep while he (do) did his homework.
4. We (not see) haven't seen them for a long time.
5. It (rain) was rain when we arrived.
6. Kite and I (wait) are waiting right here until you get back.
7. He'll leave as soon as he (hear) hear the news.
8. Dick (start) start school before he (be) seven.
9. How long you (study) have study in this school?
10. We (not receive) haven't recice any letter from him since he (leave) leave
four months ago.
11. Where are you? I'm upstairs. I (have) am having a bath.