请教选C的理由Not until then ________know his mother had done it for his good. A.he knew B.does he know C.did he know D.he knows 答案选C为什么其他几个不能用? 顺便教一下倒装句,谢谢～

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请教选C的理由Notuntilthen________knowhismotherhaddoneitforhisgood.A.heknewB.doesheknowC.didheknowD.heknows

请教选C的理由Not until then ________know his mother had done it for his good. A.he knew B.does he know C.did he know D.he knows 答案选C为什么其他几个不能用? 顺便教一下倒装句,谢谢～
请教选C的理由
Not until then ________know his mother had done it for his good.
A.he knew
B.does he know
C.did he know
D.he knows
答案选C为什么其他几个不能用?
顺便教一下倒装句,谢谢～

请教选C的理由Not until then ________know his mother had done it for his good. A.he knew B.does he know C.did he know D.he knows 答案选C为什么其他几个不能用? 顺便教一下倒装句,谢谢～
not until是连词,提前了就说明这是倒装句了.所以A D排除
后面用的是had done 过去完成时,说明这是过去发生的一个时间,不能用一般现在时,所以选C
这其实叫做前置
前置就是,正常语序中出现较晚的成分提前了,突出他的存在,强调他,有时候需要倒装,有时候不需要.
倒装就是在前置的基础上,又分了局部倒装和全部倒装.
很复杂的,一般高中学的就是部分倒装,比如not only 句型中的倒装
比如 not only did he complain about the food,he also ……
而状语提前则会用全部倒装
from the corner comes a bus
主要靠理解

首先NOT 作为否定词提前咯
所以句子要倒装这是你要记住的
然后因为后面是HAD DONE 是过去完成时所以前面就是过去时
he knew 倒装过来就是did he know了`
做这样的题你可以先把句子还原了再做

问问老师他回给你讲的很清楚的...

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首先NOT 作为否定词提前咯
所以句子要倒装这是你要记住的
然后因为后面是HAD DONE 是过去完成时所以前面就是过去时
he knew 倒装过来就是did he know了`
做这样的题你可以先把句子还原了再做

问问老师他回给你讲的很清楚的

收起

首先，后面的句子为过去完成，前面的要往前推一个时态，即为过去时直接可知选C
接着，因为否定词not提前于句首，所以要进行倒装。

以Not until开头用倒装形式，所以排除AD选项
根据句子后半部分的had和句意，可知时态为过去时
所以选C
该句还原后为：He did not know his mother had done it for his good until then.

It was____last week____ i knew the news A.until...that B.not until...when C.not until...that D.until...since答案是选C.not until用在什么句型?与until有什么不同.怎么区分? It was( )back home after the experiment.A.not until midnight did he go B.until midnight that that he didn't go C.not until midnight that he wentD.until midnight when he didn't go（理由说明）请教选C的理由Not until then ________know his mother had done it for his good. A.he knew B.does he know C.did he know D.he knows 答案选C为什么其他几个不能用? 顺便教一下倒装句,谢谢～ ___did the students realize they are wrong.A.It was until B.It was not until then C.Not until then D.Not until这题为什么要选C,选B不对吗? It was_____I read the letter____I knew she was married.A until.whenB not until.thatC until.thatD not until.when说明理由,谢谢 The time is not far away （） l can fully enjoy my life A when B as C until D before 理由!理由请教两道英语选择题：the children are请教两道英语选择题：the children are not allowed in until the school bell rings,（）the weather.a whichever b whatever c however d wherever ( )he has missed his chanc not.until 与not.beforeI could not finish the homework________.A.until he has come B.before he cameC.when he comes D.by he had come选那一个?为什么?着重介绍not until 和not..before的区别, not until与not...until的差别 I did not know he came back _ I met him in the street.(选择)A.since B when C.until D after说明理由 The children___leave school __five school A.I,till B.don't,until C.didn't,until D.not,until not until的用法 not until的用法! it was_back home after the experiment.为什么不选Cit was _____back home after the experiment.A not until midnight did he go B until midnight that he did not go C not until midnight that he went D until midnight when he did not go为什么不选C Not until the end of last year 和Until the end of last year 的区别 not until the early years of the 19 century ___ what heat is.A.man did know B.man knew C.didn't man know D.did man know请高手为我讲下not until...的用法,not...until我知道怎么用,但是not until...我不清楚,请高手讲下,我将感 Would you please () the class.A) not disturb B)not to disturb C) not disturbing D)don’t disturb选A的理由. not until/until的句型用法.