1) When I (to come ) to my friend, his parents

1) When I (to come ) to my friend, his parents (to tell) me that he (to go) ten minutes before.
2) You already (to see) this film? - Yes, let's (to see) it two days ago. I (to think) it (to be) rather interesting.
3) They already (to get) to the railway station and I (to think) they (to wait) for the train now.
4) What he (to do) now? - He (to play) the new piano which his parents (to buy) him this morning.
5) She already (to walk) in the park for two hours.
6) Last night my telephone (to ring) four times. Each time I (to answer) the phone, the person at the other end (to ring) off.
7) She (to see) very tired when she (to get) home yesterday. She (to have) a bad day.
8) After he (to work) for ten hours, he came home and (to fall) asleep.