题目内容：

You need to brush your teeth after eating to have good teeth.这段英语对么?
还有问下。这个to have 改成for having 对么。都是表示目的。

优质解答

改为：
To have good teeth,you need to brush them after eating.
为了牙齿健康,你得在饭后刷牙.
改为for不对.这里的to have 相当于in order to have.