what do you think is the most useful invention in the world

来源：学生作业帮编辑：神马作文网作业帮分类：英语作业时间：2024/11/16 11:05:06

what do you think is the most useful invention in the world
这句话可不可以换成 what do you think the most useful invention is in the world
为什么呢?
换成 what is the most useful invention in the world do you think?

不行.因为" do you think " 是插入语,（插入语的意思是,你可以把它省略,句子仍通顺）下面我们来看,把do you think 去掉以后,如果换了,就是：what the most useful invention is in the world?明显这不符合英语语法规则：疑问句中助动词要放在前面.所以,is 不能放在后面.
再问：怎么就不可以把the most useful invention is 理解成是think的从句呢？
再答：这个我们老师多次讲过，do you think在这里就是个插入语，没有实际意义，所以这里它木有接从句的功能，也接不了从句。

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