1.Did you see(yesterday)
2.didn't have(last year)
3.has written(nghĩa câu)
4.Have you ever been(ever)
5.has worked(for three years)
6.bought(four years ago)
7.did you go(last night)
8.found out(nghĩa câu)
9.haven't seen(yet)
10.have already done(already)