1. If you hadn't washed it in boiling water, it wouldn't have shrunk.

2. If we hadn't been using an out-of-date timetable, we wouldn't have missed the train.

- Câu điều kiện loại 3 diễn tả sự việc không thể xảy ra ở quá khứ:

   If + S + had (not) + Vpp/ been + V-ing, S + would/could... (not) + have + Vpp.

$#Dứa$

1. You washed it in boiling water; that's why it shrank

→ If you hadn't washed it in boiling water, it wouldn't have shrunk

2. We missed the train because we we're using an out-of-date timetable

→ If we hadn't been using an out-of-date timetable, we wouldn't have missed the train

(Áp dụng công thức đk loại III:   If + S + Had + V3/Ved, S + would/ could...+ have + V3/Ved)