have+宾语+动词原形怎么改成被动

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have+宾语+动词原形怎么改成被动

have+宾语+动词原形怎么改成被动
have+宾语+动词原形
怎么改成被动

have+宾语+动词原形怎么改成被动
sth be had to do
类似的用法还有:make,let等.这几个词的特点是跟不带to的动词不定式,在变成被动语态时,需要把那个to恢复出来.

My mother had me help her to clean the windows.
被动:I was had to help my mother to clean the windows.
have在这个结构里是一个“使役动词”,变为被动的时候to要加上。