十一、感官使役动词类
这类动词后接不带to的动词不定式作宾语补足语的时候,表示动作已经完成或表示动作的全过程;后接动词的-ing形式作宾语补足语时,表示动作正在进行,后接过去分词时表示一个被动动作已经完成。但在被动结构中作主语补足语的动词不定式要带to。这类动词有see, look at, watch, notic, observe, hear, feel, listen to, make, let等。例如:
I saw two boys playing football on the playground.
We often heard this song sung by our students after class.
When I stayed at home, I often made my little brother cry, but last week, I was made to cry by my little brother.