来源:学生作业帮 编辑:大师作文网作业帮 分类:英语作业 时间:2024/11/11 08:14:08
一道英语被动语态选择题
He ________ cross the street.
A.sees
B.saw ...to
C.was seen
D.was seen to
D
see sb do sth 被动:sb be seen to do sth
see sb doing sth 被动 :sb be seen doing sth
感官动词+ sb+do 是一个省to的不定式
因此,在改成被动时,要加上to