there exsisted a certain doubt among the students as to the necessity of the work这里there exsisted ,用it exsisted 也通啊,为什么不能用,如果硬是要用it该怎么改

there exsisted a certain doubt among the students as to the necessity of the work这里there exsisted ,用it exsisted 也通啊,为什么不能用,如果硬是要用it该怎么改
there exsisted a certain doubt among the students as to the necessity of the work
这里there exsisted ,用it exsisted 也通啊,为什么不能用,如果硬是要用it该怎么改

there exsisted a certain doubt among the students as to the necessity of the work这里there exsisted ,用it exsisted 也通啊,为什么不能用,如果硬是要用it该怎么改
这个是一个句式而已,就是外国人有这样用的
there be 句型中的be 可以用exist代替,表示事物静止、存在、有等.
不懂欢迎追问