Jasper hopes that she will turn cars and their owners to stone.为什么不能把这句话里的that去掉?

Jasper hopes that she will turn cars...Jasper hopes that she will turn cars and their owners to stone.这句 为什么这里的turn 没有变成turns 它前面的she 不是第三人称单数么? Jasper hopes that she will turn cars and their owners to stone.为什么不能把这句话里的that去掉? 英文hopes that you can 名词单复数问题新概念2册28课1.Jasper hopes that she will turn cars and their owners to stone.2.But none of them has been turned to stone yet!关于：stone2句用单数好理解,但是1句为什么也用单数呢?如果第一句是抽象 The teacher __pass the exam.A.hopes us B.hopes us to C.hopes that we'll为什么选c He hopes that he will meet her again.(同义句) He hopes _ _ her again. The old scientist hopes that people use both sides____the paper He hopes that he can pass the maths eam. she hopes that she'll go sightseening3种同义句 1.Nobody but Jane and Tom ___who he is.A.know B.knows2.--What's the matter with Yoshi?--She failed in the exam,but she still _______.A.hopes so B.hopes it C.hopes to D.hopes that he hopes that he will travel around China one day改成同义句he hopes that he will travel around China one day 改成同义句,每空一词he hopes ______ _______ around China one day the boy hopes that he can watch the sunset同义句 Helen hopes that she can succeed in the test 的同义句 He hopes that he can pass the maths eam.改为同义句 The little boy hopes that he would be the ____(proud)of his group. He hopes that he can get good grades 改同义句 Tom hopes that more people can send （）【donate】to ORBIS to support their work. She hopes that she will be a fashion designer when she grows up.（同义句）