Not until I began to work ________ how much time I had wasted.A) didn’t I realize B) I didn’t re

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NotuntilIbegantowork________howmuchtimeIhadwasted.A)didn’tIrealizeB)Ididn’treNotuntilIbegantowork___

Not until I began to work ________ how much time I had wasted.A) didn’t I realize B) I didn’t re
Not until I began to work ________ how much time I had wasted.A) didn’t I realize B) I didn’t re

Not until I began to work ________ how much time I had wasted.A) didn’t I realize B) I didn’t re
till / until在表达方式和意义上的特殊性：until是till的强调形式,但是它们表达的意义是相同的,都表示"直到某时".不过,当主句是否定句时,它引出的意思是"直到（某时）（某动作）才（发生）" ,这时候常会出现"not until …"的结构,如果将 "not until …"的结构放在句首,那么主句要写成倒装句.例如：
He didn't go to sleep until 12 last night .
他昨晚直到十二点钟才睡觉.
They didn't realize their fault till we pointed it out to them .
直到我们向他们指出了他们的错误,他们才意识到.
Not until we pointed out their fault to them did they realize it .
直到我们向他们指出了他们的错误,他们才意识到.
但是,当主句是肯定句时,它引出的意思是"直到（某时某动作停止了）" .例如：
The students made much noise till the teacher came into the classroom .
直到老师走进教室学生们才停止了大声喧哗.
The young couple were very happy until they used up all their money .
那对年青夫妇直到花光了所有的钱才沮丧起来.
另外,until 可以放在句首而till则不行.我们可以说：Until they used up all their money,the young couple were very happy .我们却不可以说：Till they used up all their money,the young couple were very happy .
此两个连词意义相同.肯定形式表示的意思是"做某事直至某时",动词必须是延续性的.否定形式表达的意思是"直至某时才做某事".动词为延续性或非延续性都可 以.正确使用这两个连词的关键之一就在于判断句中的动词该用肯定式还是否定式.
肯定句：
I slept until midnight.我一直睡到半夜时醒了.
Wait till I call you.等着我叫你.
（在肯定句中可用before代替 Let's get in the wheat before the sun sets.）
否定句：
She didn't arrive until 6 o'clock.
她直到6点才到.
Don't get off the bus until it has stopped.
公共汽车停稳后再下车.
I didn't manage to do it until you had explained how.直到你教我后,我才会做.
1)Until可用于句首,而till通常不用于句首.
Until you told me,I had heard nothing of what happened.
直到你告诉我以前,出了什么事我一点也不知道.
2)Until when 疑问句中,until要放在句首.
---Until when are you staying?你呆到什么时候?
--- Until next Monday.呆到下周一.
注意：否定句可用另外两种句式表示.
(1）Not until …在句首,主句用倒装.
Not until the early years of the 19th century did man know what heat is.
直到19 世纪初,人类才知道热能是什么.
Not until I began to work did I realize how much time I had wasted.
直到我开始工作,我才认识到了我已蹉跎了几多岁月.
(2) It is not until… that…

A

A 倒装结构

选 A

did I realize

not until i began to work[]how much time i had It was not until father (come) back that I began to do ...come用什么时态? 英语翻译It was not until I went to junior middle school that I began to learn English. Not until i began to work did i realize how much time i had wasted.部分倒装.怎么倒装? not until 的强调句问题 It was _____ I went there _____ I began to know something about the matter.A.until; whenB.until; thatC.not until; thatD.not when;that Not until I began to work ________ how much time I had wasted.A) didn’t I realize B) I didn’t re Not until i began to work (did i realize) how much time i had wasted为什么不用（have i realized） 它们之间有什么区别 21.Not until I began to work __________how much time I had wasted.A.didn21.Not until I began to work __________how much time I had wasted.A.didn’t I realize B.did I realize C.I didn’t realize D.I realized这里为什么要选B 不选A? It was not until the late sixteen hundreds that women began to perform professionally as dancers.it was not until It was not until her mothercame in (that) the girl began to prepare her lessons.翻译 it was not until late afternoon that they began to do the homework.翻译 i was playing -------it began to rain.(until,as soon as,when,while)i was playing ------- suddenly it began to rain.(until,as soon as,when,while) not until i began to work （）　how much time i had wasted.A didn t i realize B did i realize C i didn t realize D I realize 这里各个选项详解 Not until I began to work ________ how much time I had wasted.A.didn't I realize B.did I realize C.I didn't realize D.I realize — How much do you know about the 3D film technology?— A little.Not until ____ the hot movie Avatar_____ some about it.A.did I see; did I begin to learn B.I saw; I began to learn C.I saw; did I begin to learn D.did I see; I began to learn这个题 ------last night that he began to review his lessons.A.It was untilB.Not untilC.UntilD.It was not until Not until ___ to do my homework ___ how much time I had wasted playing computer gamesA I began ;I realised B I began ;did I realise C did I begin ;I realised D did I begin ;did I realise 咋倒装一个就?翻译下 I to bed until I finished my homework(not go)