there be =there is exist

there be =there is exist 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! exist和live和there be的区别 1.There still exist many problems to be solved.和 there be句型的变形 there exist或there appear 的过去式怎么表达 Is there truely exist surface structure and deep structure? is there a pure friendship exist between guys and girls There( )(be)a football match,is there. there is和there be中文意思 there will be 和there is there exist的用法（是exists还是exist）