There ____ some spelling mistakes in your exercises

题目

There ____ some spelling mistakes in your exercises
a.seems to be b.seem to be
选B?为什么?

答案

主谓一致的问题首先名词才能做主语而there be的句型和其类似句型中 there是地点副词,副词是不能做主语的there are many people主语应该是many people,正确语序应该是many people are there.而之所以倒装是应为 这是...