1. I (see) saw a car accident while I (wait) was waiting for you on this corner yesterday
2. Mr.Smith (teach) has taught at this school since he (graduate) graduated in 1980
3. People speak English in almost Canada
4. Last month I (be) was in the hospital for ten days.
5. Up to the I never had never seen such a fat man
6. My mother (come)_____is going to come/ is coming____ to stay with us next weekend
7. My teacher wasn't at home when I arrived. He had just gone out
8.
9. How long have Bob and Mary been married ?
10. My brother joined the army when he was young
11. She (play) ____was palying_____ the piano when our guests (arrive) _____arrved_____ last night