烦帮我把句子改写成含if 虚拟条件句的复合句1、I made a lot of mistake because I am careless2、She is still very weak.So I won't allow her to go to school3、We didn't catch the train because we were late.4、He doesn't have enough money,so he cannot buy a car.5、Xiaoming doesn't study hard; so he has trouble with his GET4.把句子改写成含if 虚拟条件句的复合句对这些语法我一窍不通.

1、I made a lot of mistake because I am careless.
if i could be more careful, i will not have made a lot of mistakes.
2、She is still very weak. So I won't allow her to go to school.
if she were not weak, i would have allowed her to go to school.
3、We didn't catch the train because we were late.
if we were not late, we would have caught the train.
4、He doesn't have enough money,so he cannot buy a car.
if he had enough money, he would have bought a car.
5、Xiaoming doesn't study hard; so he has trouble with his GET4.
if xiaoming studied hard, he would have no trouble with his GET4.

1.If I am not careless, I wouldn't have made a lot of mistake.
2.If she is not weak, I would allow her to go to school.
3.If we were not late, we would have caught the train.
4.If he has enough money, he would buy a car.
5.If Xiaoming studies hard, he wouldn't have trouble with his GET4.(应该是CET4吧?）