1. They haven’t met each other since they left school (was)->the last time they met each other was when they left school-the last time+S+Ved/c2..t/d quá khứ
2. The information I got from the assistant was so confusing that I didn’t know what to do (such)->the assistant gave me such confusing information that I didn’t know what to do-cấu trúc such...that
3. They haven’t sold the house by the river yet (been)->the house by the river hasn't been sold yet-câu cho trước đgt chia ở thì htht và từ cho là been nên chuyển thành câu bị động
4. Everybody came to the party early enough, didn’t they? (Were)->were everybody came to the party early enough?
mọi người đã đến bữa tiệc đủ sớm chưa?