помогите пж, очень надо

1 You often send me parcels.
2 The day after tomorrow my friend will wait for me.
3 My sister had written a composition by 7 o'clock yesterday.
4 What are you reading at the moment?
5 She worked at the library last year.
6 We were reading the whole evening yesterday.
7 He has met two of your friends today.
8 She had forgotten to close the window when she left the house.
9 A month ago I built a new house in the country.
10 We have never heard this story from our father.
11 After they had gone at last we went to bed.
12 In four days I will return this book to the library.
13 Walter had signed the contract before we came.
14 Yesterday he had been telling us for two hours about his trip to London.
15 By the next week I will have passed all the exams.