6. I all the Harry Potter books.have boghthas bought have bought​

1 when we opened  the window it was raining
2 it was finding dark when we reached home
3 you found  these examples in the book at he 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 did not feel well
10 the rain was passing a big town in the night and so we  did not see it
11 you were writing all day yesterday