there exist的用法(是exists还是exist)详细说明there exist的用法,其次到底是exists还是exist

问题描述:

there exist的用法(是exists还是exist)
详细说明there exist的用法,其次到底是exists还是exist

这个要看后面接的主语吧!
类似于there be
例如:
There are two dogs.
There is an apple.