Помогите с 5 и 4 заданием

Ответ:

4. 1) had taught, 2) had watched, 3) had lived, 4) had finished.

5. 1) Mark felt better after he had taken medicine.

2) We had cleaned the flat before mother came home

3) Mother had checked me the temperature before doctor arrived

4)Ann went to school after she had been at the dentist.