see sb doing 的被动是什么呢？

Question

如题所述

Answer 1

sb was seen doing sth. 一般来讲，这个句型用主动的时态较常见。

We often see her wearing a red dress.

She is often seen wearing a red dress.

Answer 2

I saw him singing songs in the classroom.
改成被动语态：
He was seen singing songs in the classroom.

see sb. doing sth.==sb. be seen doing sth.

Answer 3

sb. be seen doing

Answer 4

sb is seen doing

Answer 5

sb is seen doing