Ответ:
Задание 5
1)If eat any more, I will feel ill.
2)I wouldn't go in there if I were you.
3)If you don't leave now, you won't arrive on time.
4) Would you still visit us if you were famous?
Задание 6
1)I've already had dinner.
2)He hasn't seen the film yet.
3)You haven't still visited us.