1 when we (opened) the window it (was raining)
2 it (was) dark when we (reached) home
3 you (found) these examples in the book at the previous lesson
4 i (did not forget) to lock the door this morning
5 the pupils (were working) in the field
6 we (arrived) ten minutes later
7 we (saw) the man in the boat which (was nearing) the harbour
8 ann was still (looking) out of the window when i (entered)
9 she (was lying) in bed. she (said) she (was not feeling) well
10 the rain (passed) a big town in the night and so we (did not see) it
11 you (were writing) all day yesterday