I heard him sing in the classroom改为被动语态?

来源：百度知道 编辑：UC知道 时间：2024/06/28 00:47:15
I heard him sing in the classroom
someone say it should be modified like
he was heard to sing in the classroom.
is that correct?

He was heared singing in the classroom.
这里singing 表状态，意为“我听到他一直在唱”。
不定式to sing 表将来的，这里用不定式的话是不对的。

He was heard singing in the classroom by me .

He was heard sing at the classroom(by me)

He was heard singing in the classroom by me.
True!

He was heard of singing in the classroom.

He was heard to sing in the classroom.