it作形式宾语 I think it wrong that he told a lie to everyone.为什么it后面不能加be动词?

题目

it作形式宾语 I think it wrong that he told a lie to everyone.为什么it后面不能加be动词?

答案

be动词是做谓语的.it既然是形式宾语,它做的事谓语动词think的宾语,宾语后面怎能还有谓语呢?换句话说,这句子中I是主语,think是谓语,it是形式宾语,实际宾语是后面的that从句,wrong是宾语的补足语.如果wrong前面加be动词会构成句子 it is wrong that he told a lie to everyone.这样it就成为形式主语了.