the man stopped from time to time _____whether he was being followed.

问题描述:

the man stopped from time to time _____whether he was being followed.
the man stopped from time to time __(as if to find)___whether he was being followed.
if(he wanted) to find 省略了 he wanted.
我感觉好像只有主语+be动词才可以省略,这样的也可以吗?求详解.

as if(he was) to find 省略了 he was.可以理解为是为了,不定式表目的,或者说过去将来