sb think\find+it\it's+adj 中间可用it\it's吗?

sb think\find+it\it's+adj 中间可用it\it's吗?

可以.
中间跟it 时,it作宾语,
中间跟it's 时,是宾语从句,it 是从句的形式主语.
例如：I think /find it important to learn English well.
=I think /find it's important to learn English well.