1) 've been
2) didn't work
3) want to pass; will study
4) sent
5) was; think; 've learned
6) went; didn't enjoy
7) was doing; met
8) noticed; is
9) 'm having; had
10) revising
11)already began
12)think; will do
13)is; isn't
14) will pass; will start
15)will go
:)
