but he does not know where the bird nest is.后面为什么带is?

来源:学生作业帮助网 编辑:作业帮 时间:2024/11/17 20:17:39
but he does not know where the bird nest is.后面为什么带is?
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but he does not know where the bird nest is.后面为什么带is?
but he does not know where the bird nest is.后面为什么带is?

but he does not know where the bird nest is.后面为什么带is?
这个is是作为宾语从句的谓语动词,从句相当于 where is the bird nest,宾语从句把where拿去当连词,原来的语序改为陈述句语序,is就到后面去了.
但是他确实不知道鸟巢在哪里.