he always made his younger sister cry,but this time he was made to cry by her.

问题描述:

he always made his younger sister cry,but this time he was made to cry by her.
这句话中,前面的cry 是使动词make 后面动词不定式不带to ,但是后面的to cry是做的什么成分?为什么用to cry?

你的分析很对
但是你忽略了一点当使意动词变成被动时to 就在还原