Question

4. 初中英语语法单项选择一题（求详解）

She was seen ( ) paper planes in the room.
a. made
b. to make
c. makes
d. making

Answer 1

答案选b. to make

感官动词或使役动词使用省略to的动词不定式，主动语态中不带to ，但变为被动语态时，须加上to 。make somebody do something → somebody+ be +made to do something
see somebody do something → somebody +be +seen to do something

Answer 2

B
感官动词或使役动词使用省略to的动词不定式，主动语态中不带to ，但变为被动语态时，须加上to 。see somebody do something → somebody +be +seen to do something

意思：她被看到在房间里折纸飞机

Answer 3

d. making

她被看见正在房间里折纸飞机。

追问

为什么要强调正在。。。？

Answer 4

B 任何感官动词在被动语态中后面直接加动词时必用to do形式
老师应当讲过的，楼主要牢记