Not until yesterday _____ his mind.1.Not until yesterday _____ his mind.A.did the bell ring D,had the bell rung2.Only then ___ that i had made a terrible mistakeA.did I realize B.had i realized这两道题考的都是倒装的知识.这两道题应

Not until yesterday _____ his mind.1.Not until yesterday _____ his mind.A.did the bell ring D,had the bell rung2.Only then ___ that i had made a terrible mistakeA.did I realize B.had i realized这两道题考的都是倒装的知识.这两道题应
Not until yesterday _____ his mind.
1.Not until yesterday _____ his mind.
A.did the bell ring
D,had the bell rung
2.Only then ___ that i had made a terrible mistake
A.did I realize
B.had i realized
这两道题考的都是倒装的知识.这两道题应该都属于部分倒装,但是我不明白调在前面的助动词是did 还是had .什么情况下用did 什么情况下用had
第二题中，它受到前面的时间状语then "那时” 的限制，是在then 所指的时间范围内发生的一个动作，得用一般过去时。（注：一般过去时可以表示一个已完成的动作，过去完成时得有一个所参照的过去时间点，指在这个过去时间点以前。----【过去的过去】

Not until yesterday _____ his mind.1.Not until yesterday _____ his mind.A.did the bell ring D,had the bell rung2.Only then ___ that i had made a terrible mistakeA.did I realize B.had i realized这两道题考的都是倒装的知识.这两道题应
1.A.did the bell ring
2.A.did I realize
一般过去时,谓语是行为动词时用did; 如果从时间关系看,是过去的过去,该用过去完成时时 用had (后接主语+过去分词）
说到底,你这里的问题不是倒装,而是时态,你把一般过去时,和过去完成时的区别弄清楚,好好地去复习一下先.别指望我能一两句给你讲清楚 ：）

1. A.did the bell ring

2. A.did I realize

1.Not until yesterday __A___ his mind.
A.did the bell ring
D,had the bell rung
2.Only then _A__ that i had made a terrible mistake
A.did I realize
B.had i realized

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1.Not until yesterday __A___ his mind.
A.did the bell ring
D,had the bell rung
2.Only then _A__ that i had made a terrible mistake
A.did I realize
B.had i realized



倒装的两种形式：
1. 完全倒装： 将整个谓语动词提到主语前。
2. 部分倒装：即半倒装，将谓语的一部分即助动词提到主语前。

完全倒装
车来了 Here comes the bus.
铃响了 There goes the bell.
孩子们冲出来了。 Out rushed the children.
那个男孩离开了。 Away went the boy.


部分倒装
将情态动词、助动词、be提到主语前。 (通常可以还原为正常的语序，并以此检验倒装句是否正确。)
Little does he know about the news.
他对这消息知之甚少。
By no means can he catch up in such a short time.
他根本不可能在这么短的时间里赶上来。
【结论】含有否定意义的副词或短语如：few, little, never, not, not until, nowhere, rarely, seldom, hardly / scarcely…when…， no sooner…(than)…， not only…(but also), at no time, by no means等放在句首时，需用部分倒装。

【疑难剖析1】若原句中没有助动词，必须根据谓语动词的具体时态来确定相应的助动词do, does 或did。
He is active in personality, and he seldom stays indoors. (无助动词)
He is active in personality, and seldom does he stay indoors. (添加does)

【疑难剖析2】not until提前时，要用倒装，且必须将not until后面的全部内容提前，而不仅仅是not until这两个词。
The villagers did not realize how serious the pollution was until all the fish died in the river.
→Not until all the fish died in the river did the villagers realize how serious the pollution was.
(将until后面的全部内容提前)

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