there exist 和 there be用法一样吗?
there exist 和 there be用法一样吗?
there exist 的用法和there be的用法一样的吗?请具体说明一下there exist 的用法!
there be =there is exist
exist和live和there be的区别
1.There still exist many problems to be solved.和
there exist的用法(是exists还是exist)
here be句型和there be句型一样吗?
there is going to be和there will be一起一样吗.可以互换吗
There be的句型和用法
there be和there have在用法有什么区别
There will be和There will have 的用法
there be 用法