Ответ:
1) She would have come on time if she had hurried.
2)They would see me if they had looked better.
3)I would have won the game if I did my best.
4)The student would pass the test if he had learned grammar
5) We would have gone skiing if the snow had stopped.
6)My parents would have travelled if they had enough money.
7)They would have played better if they had tried.