作业帮例句Do they live there?No,they used to used to 做什么成分什么词性换成什么词也可以
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例句Do they live there?No,they used to used to 做什么成分什么词性换成什么词也可以
例句Do they live there?No,they used to used to 做什么成分什么词性换成什么词也可以
例句Do they live there?No,they used to used to 做什么成分什么词性换成什么词也可以
如果把used to 看成副词的话,那在句中一般就是状语了,相当于once,ever等.但是如果是副词,那么在回答问题（或省略）的时候很少会出现“主语+副词”这种结构,像“I/he /she/they...+ once/ever/sometimes/often...”,往往都直接单用“副词”来回答 (像“once/ sometimes...”等) 或者全句不省略,从这方面来说,used to 不能看成是副词.
我个人认为,used to 在句子中相当于一个情态动词或者助动词,虽然现在我们经常看到它的否定形式为do/does/did not used to ...其实其正式的用法为：used not to ,直接加not构成否定,这应该可列入情态动词或者助动词行列,(其实我一直把used to 列入情态动词,因为情态动词里面有它的一个表姐妹：ought to~嘿嘿.)
如果是情态动词的话,used to 就是跟后面的实义动词一起构成句子的谓语了.
以上纯属个人想法,仅供娱乐参考~
他们住在那儿吗？ 不，他们曾经住在那里（现在已经不在那里了） used to 在这句话中是对前面的否定
谓语 属动词 They lived there before
例句Do they live there?No,they used to used to 做什么成分什么词性换成什么词也可以
where do they live?
what()they()they()there?what()they()they()there?[do]
where do they live?意思是什么?
Do they live on the same floor
Do they live far from your house
Do you live here?(there)选择句
They don't live there anymore.改为同义句 They live there ______ _______
what will they do there?
How do they go there?
how do they go there?
There're so many people Living in the World.I wonder,how much do they know why they live.有无语法错误?
where do your parents_____?they ___ beijing?请给详细的解析,a.live in;live in b.live ;live c.live ;live in d.live in;live
they do not live in the c【】.they live in the c【】
Do they live far away ----No ,they live quite _____(nearly)适当形式填空
they don't live there now改为过去式
Live,they,do,next,a,hospital（.）连词成句
Where do they live?He knows(合并成一句)