пмогите с английским

Нужно поставить глаголы в нужную временную форму, соблюдая правило согласования времён.

1) I did not know that you already (to read) this book.
2) He did it better than we (to expect).
3) He said that the bus (to be) here soon.
4) He told us that he (to do) this work himself.
5) They decided that they (to bring) us all the books we need.
6) He said that he (can) not do it without my help.
7) I decided that next year I ( to go) to the Black Sea coast.
It was decided that we ( to begin) our work at eight.
9) I told them that I (to leave) for Minsk next day.
10)The boy did not know that he already ( to receive) a go mark.
11) The students wanted to know when they (to pass) their examinations.
12) We saw that our teacher just (to go out) and he (to come back) soon.
13)He said we (may) keep the books as long as we (to like).
14) We knew that he not (to be able) to make his work in time and (to decide) to help him.
15)We understood at once that this control work ( to be) a difficult one