Ответ:

1 If we had taken the later train, we would have missed our connecting plane.

2 She would have called her husband, if she had realized how worried he would be.

3 If you hadn't had a successful career in advertising, what type of work would you have done instead?

4 I would have gone to university in the USA if Cambridge hadn't offered me a place.

5 He wouldn't have encouraged her to have cosmetic surgery if he hadn't believed she would be happier as a result.

Объяснение:

Third conditional :

if + Past Perfect , would/ wouldn't have V3