There seems to be many people on the square.这句话有错吗,为什么?

问题描述:

There seems to be many people on the square.这句话有错吗,为什么?
我不懂的是:应该是There seems to be many people on the square.
还是There seem to be many people on the square.

有错,应该把there改为it这里考得是seem的句形有,it seems to be/it seems that