I believe that,as long as paid there must have been harveste
2个回答

语法不对,句子的意思是:“我相信,只要付出就一定会有收获”

“there must have been”是“there be”句型,意思是:“有”,must是情态动词“一定”,must have been 是对过去情况的推测.

所以“be”后面不是被动态,而是要加名词,收获的名词“harvest”

正确的应该是“I believe that,as long as paid,there must have been harvest.”