I find it difficult to be a good teacher.和I find it is difficult to be a good teacher.有什么区别?

题目

I find it difficult to be a good teacher.和I find it is difficult to be a good teacher.有什么区别?
第一句的句子成分是什么？

答案

两句意思没分别.
第一句,是find it +adj（补足语）+to do sth句型.其中it是形式宾语,真正的宾语是后面的不定式,而形容词做补足语.
第二句,是find +that 宾语从句.
以上两种用法可转换,常做为考点.