Question

Past simple/past perfect:
The teacher (to understand) that Lina (not to do) her homework.
I (to know) that my friend (not yet to come).
Tom (to return) from the cinema at five o'clock.
He (to think) that he (to lose) the money.
Ann (to tell) me that she (to see) an interesting film.
When I (to wake( up yesterday,father alreadu (to go) to work.
Mary (to tell) us that she (to cook) a good dinner.
Yesterday I (to find) the book which I (to lose) in summer.
When we (to come) to the station,the train already (to leave).

Answer 1

have understanded; didn't do
has returned
has thunked; lost
told; has seen
waked up; has gone
told; has cooked
found; lost
came; has leaved