psv上的传说系列:She must be in her room,________?改成反意疑问句．并解释一下这样改的原因．

来源：百度文库编辑：高考问答时间：2024/04/29 06:48:20

并且解释一下什么时候用must's she来做,谢谢!

Key: isn't she?

用法讲解：

must与 be 连用，表示猜测、推测，在使用中要注意这个情态动词短语的两个方面。
1、反意疑问句：主语 must be..., be not 主语（代词）？类似的用法还有may be。
eg. They must be late, aren't they?
It may be in your pocket, isn't it?

2、否定句：must be 与may be 的否定形式为 can't be.
eg. They must be late. --(否定)They can't be late
It may be in your pocker. --(否定)It can't be in your pocket.

must 与行为动词连用，在变为反意疑问句的时候，就可以直接使用mustn't 。

eg. He must finish it at once, mustn't he?

is't she?
对BE动进行反意疑问

isn't she?
must在这里只是情态动词,表示可能性很大,但是没有实际意义."她肯定在她房间里,难道不是吗?"所以,真正的动词是be,反意疑问句时,针对be否定就可以了。

isn't she?
真正的动词是be,对be否定就可以了

isn't she ?理由同上

She must be in her room,________?改成反意疑问句．并解释一下这样改的原因． _____I saw her,I thought she would be the best one in our class. In 15 years she will be twice as old as her son.How old is she now? she wanted so much to be with her mother. her stepmother must beat her 汇编中 must be in segment block 是什么意思 There must be an evil force in our mountain village There must be an evil force in our mountain village The exercises must be handed in.这句话是什么意思？ She was in tears over the death of her puppy.