1) I will help you if I am not busy.
2) If he came here now , I would be surprised.
3) they would be glad if we phoned them.
4) If she had had more time then , she would have studied English .
1) I will help you if I am not busy.
2) If he came here now , I would be surprised.
3) they would be glad if we phoned them.
4) If she had had more time then , she would have studied English .