不完全及物動詞:  

find,

consider,

think,

make ,

此類動詞不得直接接不定詞片語做受詞,需使用代名詞(it)做虛受詞再接不定詞片語

think/consider it adj/n +to V

find it adj/n + to V

make it adj/n +to V

I find it necessary to study English.

I think it a lot of fun to work with him.

The delay makes it necessary for us to work overtime.

Since information technology makes it increasingly easy to find and work with outside resources, many companies are getting smaller in size.

.