i think he must be a teacher,isn't he 这句反义疑问句为什么这样变?

问题描述：

i think he must be a teacher,isn't he 这句反义疑问句为什么这样变?
i think he must be a teacher,isn't he
这句反义疑问句为什么这样变?
为什么不是mustn't he?
i think he can be a teacher反义疑问句是不是i think he can be a teacher,isn't he?
这句是不是这样变?是不是从句有be反义疑问句就要把be还原?
he thinks she isn't a student反义疑问句是不是he thinks she isn't a student,does he?

答

这个问题嘛...应该这样回答：
我直接告诉你吧,must be是表现在推测的,表现在推测知道什么意思吧,must be 一定 may be 可能 can't be不可能 .以上三个就是表现在推测的标志.凡是表现在推测的,肯定就都用isn't 否定就用is
给你点列句吧,要不然你不懂
He must be a teacher ,isn't he 他一定是个老师,不是吗?
He may be a teacher ,isn'e he 他可能是个老师,不是吗?
He can't be a teacher ,is he 他不是能是个老师,是吗?
认真比对下这三句话就行了
至于第二个问,我相信你已经懂了.
第三个问嘛,应该是带宾语从句的反义疑问句了,这时呢,疑问部分要与主句一致,还是给你点列举吧,要不然不好理
He said he would come ,didn't he 他说他准备过来了,是不是?
你那句话就应该是
He thinks she isn't a student ,does he 完全正确!
为了区分,我在多说一句吧
当陈述部分为第一人称时,就是句子开头是i/we时,记得疑问部分与从句一致,给你点列句.
I don't think he can finish the work ,can he 我不相信他能完成这工作,有木有?
仔细比对下就行了

i think he must be a teacher,isn't he 这句反义疑问句为什么这样变?

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