Ответ:

1. she could do
2. to do
3. if there was
4. that was
5. not to overdo
6. should try - с модальным глаголом should инфинитив не меняет форму на перфектную
7. she could
8. had
9. disliked
10. if Emma knew
11. she would like
12. would bring

Объяснение: