题目内容：

I think it necessary for him to go there at once.我想问一下这个句子有没有语法错误
necessary 是形容词,前面不要加 is
这样改对吗?I think it is necessay for him to go there at once.

优质解答

I think it is necessay for him to go there at once.也是对的.原来的句子中it做形式宾语,necessary做宾补.改动后think后接宾语从句,it做宾语从句的主语.is做谓语,necessary做表语.能帮到你吗?