It…+點(diǎn)時(shí)間段時(shí)間+before…詮釋

1、學(xué)習(xí)資料收集于網(wǎng)絡(luò)，僅供學(xué)習(xí)和參考,如有侵權(quán)，請聯(lián)系網(wǎng)站刪除It +點(diǎn)時(shí)間 /段時(shí)間 +before 詮釋高中英語中， before 句式，相似性強(qiáng)，考生易混淆，究其用法，現(xiàn)小結(jié)于后，敬供商榷。1.Itwas / will be + 段時(shí)間 + before在“It was / will be + 段時(shí)間 + before 從句 ”結(jié)構(gòu)中， before 是從屬連詞，表示 “ 才； 就”，引導(dǎo)時(shí)間狀語從句。例： It was just 3 days before the book was published. 三天后那本書就出版了。例： It will be five years before

2、 we meet again. 五年后我們才會(huì)在見面。2. It wasn 在“It wasn long before 例： It wasn 例： It won t long before/ It won t long beforet long before從句 ”結(jié)構(gòu)中，before 是從屬連詞， 表示 “不久以后就 ”；而 “It won t 從句 ”結(jié)構(gòu)中， before 是從屬連詞，意為 “不久就會(huì) ”，引導(dǎo)時(shí)間狀語從句。t longbefore he came home.他不久后才（很快）回到了家里。 t longbefore you get well again. 不久你就可以恢復(fù)

3、健康了。3.It be + 點(diǎn)時(shí)間 + before在“It be +點(diǎn)時(shí)間 + before 從句 ”結(jié)構(gòu)中，before 是從屬連詞， 表示 “在 之前；時(shí)間是 ”，引導(dǎo)時(shí)間狀語從句。例： It was 4:00 before he came to see you.他是四點(diǎn)后來看你的。4.It be + 點(diǎn)時(shí)間 + when在“It be +點(diǎn)時(shí)間 + when 從句 ”結(jié)構(gòu)中， when 是從屬連詞，表示 “當(dāng)時(shí)是 ”，引導(dǎo)時(shí)間狀語從句。例： It was 4:00 when he came to see you.他來看你時(shí)，已是四點(diǎn)了。5.It be + 段時(shí)間 + since在“It

4、 be +段時(shí)間 + since 從句 ”結(jié)構(gòu)中， since 是從屬連詞，引導(dǎo)時(shí)間狀語從句。若從句中謂語動(dòng)詞是短暫性動(dòng)詞，表示“自從以來有多久了 ”；若從句中謂語動(dòng)詞是延續(xù)性動(dòng)詞，則表示 “（多久）不了 ”。例： It was two years since I joined the League member. 我入團(tuán)已三年了。 （ join 是短暫性動(dòng)詞）例： It was many years since I enjoyed myself like this.我已有多年沒有像這么開心了。（ enjoy是延續(xù)性動(dòng)詞）6.It be + 時(shí)間 + that在“It be +時(shí)間 + tha

5、t 從句 ”結(jié)構(gòu)中，構(gòu)成強(qiáng)調(diào)句，表示“就是時(shí)間才 ”。例： It was two years later that I came back from abroad. 正是兩年后我才回國的。7.It is / will be +段時(shí)間 + until在“It is / will be + 段時(shí)間 + until 從句 ”結(jié)構(gòu)中，until 是從屬連詞， 引導(dǎo)時(shí)間狀語從句， 表示 “過了（要過）多久才 ”， until 相當(dāng)于 before。例： It would be 10 years until / before he knew the truth.十年后他才得知真相?！緶剀疤崾尽浚?）unt

6、il 用于肯定句， 表示 “直到為止 ”，謂語動(dòng)詞一般是延續(xù)動(dòng)詞，常見的有stay, work,study, play 等，表示動(dòng)作一直延續(xù)到until 所表示的時(shí)間為止。學(xué)習(xí)資料學(xué)習(xí)資料收集于網(wǎng)絡(luò)，僅供學(xué)習(xí)和參考,如有侵權(quán)，請聯(lián)系網(wǎng)站刪除例： Tell him to stay up until I get back. 告訴他，等我回來后再去睡。（2）until 用于否定句，表示 “在 之前；直到 （才） ”，謂語動(dòng)詞一般是終止性動(dòng)詞，常見的有 come, arrive, leave, die 等，表示動(dòng)作到 until 所表示的時(shí)間時(shí)才發(fā)生。例： They wont come to any

7、decisionuntil they had a chance to discuss it wholly.等有機(jī)會(huì)全面討論這個(gè)問題后才定奪。綜合上述， 句子結(jié)構(gòu)千變?nèi)f化，規(guī)則眾多，用法奇特，但只要根據(jù)已有的學(xué)習(xí)經(jīng)驗(yàn)和知識水平分析句子， 理解用意， 進(jìn)一步進(jìn)行信息整合，推理判斷， 便可找到更新的理解辦法或途徑，這樣，無論多么難的句子都可以一一化解了?！窘?jīng)典演練】1. It was _ he came back from Africa that year _he met the girl he would like to marry.A. when; thenB. not; untilC. not

8、 until; thatD. only; when2. - Have you know Dr. Jackon for a long time?- Yes, since she _ the Chinese Society.A. has joinedB. joinsC. had joinedD. joined3. - Did his father come back early last night ?- Yes, it was not yet eight o clock _ he arrived home.A. beforeB. whenC. thatD. until【答案與解析】1. C 考查

9、強(qiáng)調(diào)句與時(shí)間狀語從句辨析。句意：正是他那一年從非洲回來時(shí)，他才遇到了他的確想要結(jié)婚的那位姑娘。此處應(yīng)是強(qiáng)調(diào)句型，被強(qiáng)調(diào)的對象是“not until he came back fromAfrica that year ”,不是時(shí)間狀語從句，而選項(xiàng)A ， B 和 D 項(xiàng)不合要求，故C 項(xiàng)正確。2.D 考查 since 時(shí)間狀語從句。句意：自她加入漢語協(xié)會(huì)以來。據(jù)語境分析，此處since 表示“自從以來 ”，而選項(xiàng)A ， B 和 C 均不合語義，故D 項(xiàng)正確。3B 考查 when 時(shí)間狀語從句。句意：當(dāng)他回到家里時(shí)，還不到八點(diǎn)。據(jù)語境分析，此處it指時(shí)間， when 引導(dǎo)時(shí)間狀語從句，表示“當(dāng)時(shí)候

10、”，而選項(xiàng)A ，C 和 D 均不合語義，故B 項(xiàng)正確?！灸芰μ嵘?. - How long do you think it will be _ China sends a manned spaceship to the moon ?- Perhaps two or three years.A. whenB. untilC. thatD. before2. It was some time later _ we realized two or three years.A. untilB. beforeC. thatD. since3. How long is it _ we last saw

11、each other in Shanghai ?A. sinceB. beforeC. untilD. that4. That was really a special evening, it s years _ he enjoyed himself so much.A. whenB. thatC. beforeD. since5. It seemed only seconds _ the boy finished washing his face.A. whenB. beforeC. afterD. since6. - What did she want to know, Tom ?- Sh

12、e wondered _ we could complete the experiment.A. when was it B. it was when that C. it was when D. when it was that 7. Was it in 1939 _ the Second World War broke out ?A. thatB. whenC. untilD. since學(xué)習(xí)資料學(xué)習(xí)資料收集于網(wǎng)絡(luò)，僅供學(xué)習(xí)和參考,如有侵權(quán)，請聯(lián)系網(wǎng)站刪除8. It was two years _ I began to learn English.A. whenB. sinceC. bef

13、oreD. that9. Itwas not until dark _ he found _ he thought was the correct way to solve the problem.A. that; what B. that; that C. when; what D. when; what 【答案與解析】1.D 考查 before 時(shí)間狀語從句。 句意： - 你認(rèn)為中國多少時(shí)間后才能把宇宙飛船發(fā)射到月球上呢？ - 或許兩三年吧。 據(jù)語境分析，此處 before 引導(dǎo)時(shí)間狀語從句， 表示 “在 之前， 才”，而選項(xiàng)A ，B 和 C 均不合語義，故D 項(xiàng)正確。2.C 考查強(qiáng)調(diào)句與

14、時(shí)間狀語從句辨析。句意：就是一段時(shí)間以后我們才能弄清事實(shí)的真相。據(jù)語境分析， 此處強(qiáng)調(diào) “some time later”, It be 構(gòu)that成強(qiáng)調(diào) 句式， 而不是時(shí)間狀語從句，而選項(xiàng) A ， B 和 D 均不合句式要求，故C 項(xiàng)正確。3.A 考查 since 時(shí)間狀語從句。句意：我們最后一次自在上海見面后有多長時(shí)間了呢？據(jù)語境分析，此處應(yīng)是 since 引導(dǎo)時(shí)間狀語從句，表示 “自 以來 ”，而選項(xiàng) B， C 和 D 均不合語義，故 A 項(xiàng)正確。4. D 考查 since 時(shí)間狀語從句。句意：那是一個(gè)特別的晚上，已有多年沒有這么開心了。據(jù)語境分析，此處應(yīng)是 since 引導(dǎo)時(shí)間狀語從句

15、，表示 “自 以來 ”，而選項(xiàng) A ，B 和 C 均不合語義，故 D 項(xiàng)正確。5. B 考查 before 時(shí)間狀語從句。句意：好像沒大一會(huì)兒，那個(gè)小孩就把臉洗完了。據(jù)語境分析，此處應(yīng)是before 引導(dǎo)時(shí)間狀語從句，表示“ 才.”，而選項(xiàng)A ， C 和 D 均不合語義，故B 項(xiàng)正確。6. D 考查強(qiáng)調(diào)句與時(shí)間狀語從句辨析。 句意： - 她到底想知道什么， Tom? - 她想知道我們完成這項(xiàng)實(shí)驗(yàn)的時(shí)間。據(jù)語境分析， 此處應(yīng)是強(qiáng)調(diào)句，被強(qiáng)調(diào)的對象是 “when”,又因放在 shewondered 之后，隨之構(gòu)成賓語從句，將 when 提出以平衡句子，表示 “ 時(shí).候 ”，而選項(xiàng) A ， B 和

16、C 均不合要求，故 D 項(xiàng)正確。7. A 考查強(qiáng)調(diào)句與時(shí)間狀語從句辨析。句意：就是在1939 年爆發(fā)的第二次世界大戰(zhàn)嗎? 據(jù)語境分析，此處應(yīng)是強(qiáng)調(diào)句型，被強(qiáng)調(diào)的對象是“in 1939 不”,是時(shí)間狀語從句，而選項(xiàng)B，C和 D 均不合要求，故A 項(xiàng)正確。8. B 考查 since 時(shí)間狀語從句。句意：我自學(xué)英語以來，有兩年時(shí)間了。據(jù)語境分析，此處應(yīng)是 since 引導(dǎo)時(shí)間狀語從句，表示 “自 以來 ”，而選項(xiàng) A， C 和 D 均不合語義，故 B 項(xiàng)正確。9. A 考查強(qiáng)調(diào)句與時(shí)間狀語從句辨析。句意：直到天黑時(shí)，他才發(fā)現(xiàn)他所想到的正是解決這個(gè)問題的有效途徑。據(jù)語境分析，此處應(yīng)是強(qiáng)調(diào)句型，被強(qiáng)調(diào)的

17、對象是“not until dark 又在”,he found 后跟了一個(gè)what 引導(dǎo)的賓語從句，不是時(shí)間狀語從句，而選項(xiàng)B， C 和 D 均不合要求，故 A 項(xiàng)正確。學(xué)習(xí)資料學(xué)習(xí)資料收集于網(wǎng)絡(luò)，僅供學(xué)習(xí)和參考,如有侵權(quán)，請聯(lián)系網(wǎng)站刪除1.It be + 時(shí)間段 before.過了多長時(shí)間才.：It was two days before he knew. 過了兩天他才知道.It was three years before he came back from abroad.過了三年他才從國外回來.2.It be+ 時(shí)間點(diǎn) when.當(dāng) .時(shí)候 ,時(shí)間是 .：It was six when he arrived. 當(dāng)他到達(dá)時(shí) ,時(shí)間是 6 點(diǎn)鐘 .3.It is / has been +時(shí)間段 since.(往往用非延續(xù)性動(dòng)詞）自從 以來到現(xiàn)在已有多久 , 做.已經(jīng)多長時(shí)間了：It is / has been five years since he died.他已經(jīng)死了5 年了 .4.It is three years since they got married. 他們已經(jīng)結(jié)婚三年了.It is thr