1. would have understood / had spoken
2. would have been / had visited
3. would have passed / had had
4. would have told / had asked
5. had known / would have visited
6. would you have told / had met
7. wouldn't have missed / had arrived
8. had visited / would have been
9. had had / would have bought
10. wouldn't have watched / hadn't had
Conditional sentence type 3 diễn tả một giả thuyết không có thật trong quá khứ
Công thức: IF + S + HAD PII, S + WOULD HAVE PII