Past simple/Past Perfect We ( to do) it after we ( to returne) from vacation. You (to learn) English before you (to come) there? Why Jane (not to visit) us before she (to leave)? After Sally (to write) all the letters, she (to post) them.
Ответ:
We have done it after we returned from vacation.
Have you learnt English before you come there?
Why haven't Jane visited us before she leave?
After Sally has writen all the letters,she posted them