時間原因狀語從句

1、New trendsSpecialties and Features of the new trendsImax Dome TheatreHome entertainment systemMP3 playerthe screen surrounds the audience,the sound system has 44 speakers,the sound seems realstereo speakers are arranged round the viewers,the system uses a wide, flat-screen TV which is suspended on t

2、he wall,digital technology makes both the picture and the sound clear people can take it everywhere,smaller than cigarette lighter,can record hundreds of hours of music,You can listen to it while you are doing nearly everything, That lady entertained the child with some toys. He entertained his frie

3、nds with tasty food. In senior high schools, there is a growing trend that students are doing part-time jobs. The house is surrounded by high walls Nothing can prevent me from achieving my ambition/goal. They are similar to each other in appearance. My teaching style is similar to that of most other

4、 teachers. A chandelier is suspended on the ceiling. His shirt is suspended on the wall. I have arranged for a car to pick them up at the station. It is time to make arrangements for the wedding. Because of the weather, we have to suspend the outing. She introduced me to her friends. This new machin

5、e will be introduce into our factory next month. I dont feel like drinking anything. Shanghai is surrounded by suburbs. We have already achieved our goal this year. His family arranged for him to marry a girl from a rich family. I feel like celebrating tonight, because I have finally passed the exam

6、. I am still not clear about the latest trends in the digital cameras Tom is a quick walker, and soon he was ahead of the others. The leaves are whispering in the breeze.III. 重點句型重點句型1. Five minutes until we start filming.= There are five minutes left until we start filming. film v. 拍電影拍電影據(jù)說，這個年輕人自己

7、拍攝了一部關(guān)于他村子的據(jù)說，這個年輕人自己拍攝了一部關(guān)于他村子的電影。電影。It is said that this young man filmed a film about his village. n. 電影，膠卷電影，膠卷 * a roll of film * Can you develop（沖洗）（沖洗） this film for us?2 * The three contestants were sitting at their desks in the stage, waiting. * Lester Li came running out.V-ing 做伴隨狀語用來做伴隨狀語

8、用來修飾動詞修飾動詞的，同時是表的，同時是表示示與謂語動詞同時進行與謂語動詞同時進行，* I walked round the old town, looking at the sights.3. Its time for + n. It is time (for + n.) to do It is time (that ) sb did / should do sth (虛擬語氣虛擬語氣)* Its time for lunch.* It is time we made up / should make up our minds whether to go to the west .* It

9、 is time for him to explain the reason why he told the lie .Complete the sentences:是是(你你)睡覺的時候了。睡覺的時候了。/ (你你)該睡覺了。該睡覺了。It is time _ _ _for sleepfor you to sleepthat you should sleep/that you slept4. Since she answered the questions easily, she was soon ahead of the other two contestants.引導(dǎo)原因狀語從句，意為引

10、導(dǎo)原因狀語從句，意為“由于由于,因為，既然因為，既然”， (since必須放句首必須放句首) Since you cant answer the question, perhaps wed better ask someone else.還可以引導(dǎo)時間狀語從句還可以引導(dǎo)時間狀語從句 (主句用現(xiàn)在完成時主句用現(xiàn)在完成時)* She left school three years ago and has worked as a nurse ever since.* Weve been friends ever since we met at school. * I havent heard fro

11、m him since last year/he left.5. There was just one question to go. =There was just one question left. There be +n.+ to go=There be +n.+ left 還剩多少時間還剩多少時間/東西東西. 會議開始前，還剩十分鐘。會議開始前，還剩十分鐘。Before the meeting begins, there is ten minutes to go. “_Five minutes _until we start filming,” shouted the directo

12、r. “We need another contestant before the show begins,” he shouted. After he seated her on the stage, a make-up artist rushed forward. She sat on the edge of her seat and (she) chewed her fingernails while she watched. “Right!” shouted Lester, as the audience clapped. Why are they Adverbial Clause o

13、f Time?(There are)(left) S+VS+V+OS+VS+V/S+V+OS+V+OBecauseEach one is introduced by subordinate conjunctionEach one has its own subject and predicate.Each one describes or modifies the verb from the sentence, telling us the time of the verb action. when, as, while before, after ,till, until, since, o

14、nce as soon as, directly/immediately/instantly the moment, the minute, the second, the instant, every time, each time, next time, the first time, the last time, by the time no soonerthan/scarcelywhen/hardlywhenWhile 只表示主句和從句的動作同時只表示主句和從句的動作同時發(fā)生，只用來表示持續(xù)性的動作或狀發(fā)生，只用來表示持續(xù)性的動作或狀態(tài)態(tài)While the teacher explai

15、ned the text, the students listened attentively.While we arrived at the station, he was talking with a worker. When, While and As2. As 也表示持續(xù)，但持續(xù)時間短但也表示持續(xù)，但持續(xù)時間短但as 也用于兩個同也用于兩個同時發(fā)展或同時變化的動作時發(fā)展或同時變化的動作(這種情況只能用這種情況只能用as)As I left the house, I remembered the key.As get older, I get more optimisticAs the

16、champion grew weaker, his opponents attacks became more and more violent.3. When 既可表示動作的持續(xù)性，也可表示動作的瞬既可表示動作的持續(xù)性，也可表示動作的瞬間性，還可表示從句動作先于主句間性，還可表示從句動作先于主句1) When Tom returns, I will give him the key.2) She entered the room when the meeting was going on.3) When I left the house, I remembered the key.4) We

17、 were about to play basketball when it began to rain.when 既可以表時間點，也可表時間段；引既可以表時間點，也可表時間段；引導(dǎo)的從句既可用延續(xù)性動詞，又可以用瞬間動詞；導(dǎo)的從句既可用延續(xù)性動詞，又可以用瞬間動詞；同時可指一段時間的狀態(tài)。同時可指一段時間的狀態(tài)。 正在那時正在那時whenwhen、whilewhile、as as 的區(qū)別的區(qū)別while 當(dāng)當(dāng)時侯（從句的謂語必須是持續(xù)性動詞，與時侯（從句的謂語必須是持續(xù)性動詞，與主句謂語同時進行，、且用進行時態(tài)；或從句用主句謂語同時進行，、且用進行時態(tài)；或從句用 “be+表語表語”表示狀態(tài)）

18、表示狀態(tài)） 而而(并列句并列句)； 盡管盡管as 當(dāng)當(dāng)時，在時，在的同時；正值（口語多用；從句的同時；正值（口語多用；從句的謂語多為動作性動詞，強調(diào)動作，與主句謂語同時的謂語多為動作性動詞，強調(diào)動作，與主句謂語同時進行）往往翻譯為：一邊進行）往往翻譯為：一邊一邊一邊； 隨著隨著.1) _he comes here tomorrow, I will call you. (at the time that)2) Henry is in charge of the office _ Mr. Smith is away. (during the time that) He learned to spe

19、ak English _ he was here. 4) I like tea _ she likes coffee.5) _they were picking tea, the girls were singing happily.6) She sang _ she worked.7）We were swimming in the lake _ suddenly the storm started.8）_I dont like you, Ill help you in time of trouble.WhenwhilewhilewhileAsAswhenWhile before：1、I ha

20、d hardly entered the classroom before / when I heard the bell.2、Youd better write it down before you forget it.3、Look at it before you leap.（三思而后行）（三思而后行）4、It will be half a year before I come here again.5、It was less than one month before they got the result. It was (not) some time beforedidIt will

21、 (not) be +some time beforedo/does（不到）某段時間后（不到）某段時間后就會發(fā)生就會發(fā)生.一個月后我們就參加期末考試。一個月后我們就參加期末考試。 It will be a month before we take the final exam.Review When/while/As was/were about to do sth whendid It will be some time beforedo/does It was some time beforedid1.He was told that it would be at least three

22、more months _ he could recover and return to work. when B. before C. since D. that2. It was some time _ we realized the truth. A. when B. until C. since D.before表示表示“他康復(fù)并返回工作崗位之前至少還需要三個月他康復(fù)并返回工作崗位之前至少還需要三個月” 題干意為：題干意為： 過了一段時間我們才意識到真相。過了一段時間我們才意識到真相。 3. How long do you think it will be _ China sends

23、a manned spaceship to the moon? Perhaps two or three years. A. when B. until C. that D. before4. Why didnt you tell him about the meeting? He rushed out of the room _ I could say a word. A. before B. until C. when D. after before 與與can連用可解釋為連用可解釋為“還來不及還來不及since其引導(dǎo)的狀語從句常用一般過去時其引導(dǎo)的狀語從句常用一般過去時,主句?，F(xiàn)在完成時

24、時或過去主句?，F(xiàn)在完成時時或過去完成時完成時.(Note the part of speech of “since” in the following sentences )1、Since I entered the senior high school, I have learned 4 units. （連詞）（連詞）2、China has changed greatly since 1978. （介詞）（介詞）3、We have been good friends (ever) since.（副詞）（副詞）It is / has been + 時間段時間段 + since “自從自從以來已

25、有多長時間了以來已有多長時間了”1、It is/has been five years since she came back to settle down from abroad.2、It is/has been three years since I began to smoke.Finish the following sentences with before or since and then translate each onePracticeIt was not long _ I realized my mistake.It is a long time _ I came bac

26、k.It wont be long _ they meet again. It wasnt long _we met again.It is five months _I graduated from junior high school.It is ten years _I began to learn English.beforebeforesince從從譯法和譯法和時態(tài)時態(tài)去區(qū)分兩個句型去區(qū)分兩個句型我我從從開始學(xué)英語到現(xiàn)在已經(jīng)開始學(xué)英語到現(xiàn)在已經(jīng)有十年了有十年了。過不了多久過不了多久我們會再見面。我們會再見面。沒過多久沒過多久我們我們就就見面了。見面了。beforesincesince

27、不久不久我我就就意識到了我的錯誤。意識到了我的錯誤。我回來我回來有很長時間有很長時間了。了。我畢業(yè)我畢業(yè)有五個月了有五個月了。* 主從句時態(tài)搭配主從句時態(tài)搭配1. I will go there as soon as I finish my breakfast.2. Ill go there directly(=as soon as) I have finished my work.3. Every time I went to his house, he was out.4. Where have you been since I last saw you?Period Two不久他就要出國

28、深造了。不久他就要出國深造了。(it) 上次收到你的信后又是三個月了。上次收到你的信后又是三個月了。(since) 我還沒來得及說話，他就沖了出去。我還沒來得及說話，他就沖了出去。(before) 你離開倫敦有多久了？你離開倫敦有多久了？(since) It is 3 months since I received your last letter/since I heard from you last.He rushed out before I could say a word. How long is it since you left London? It wont be long b

29、efore he go abroad for further study. 主句的動詞為瞬間動詞，用否定主句的動詞為瞬間動詞，用否定notuntilHe didnt die until yesterdayDont go out until four. 主句的動詞為持續(xù)動詞，用肯定和否定形式都可主句的動詞為持續(xù)動詞，用肯定和否定形式都可I stayed in the village until I was five.I didnt stay in the village until I was five* till 與與 until 基本一致基本一致 till不能放在句首不能放在句首Until

30、結(jié)構(gòu)結(jié)構(gòu)Which choice is right? Until we didnt know the facts, we couldnt do anything about it. Not until midnight the forest fire was put out. Not until last week did I finish my term paper.A.Till we have thought it over, we will take any step. the moment, the minute, the second, the instant, immediatel

31、y, instantly, directly1、The engine started the minute the button was pressed.2、The lamp will light instantly you press the button.3、I knew I had made a mistake directly I had done it.一一就就as soon asas soon asno soonerthan, hardlywhen, scarcelywhen一一就就He had hardly fallen asleep when the house caught

32、fire.Hardly had he fallen asleep when the house caught fire.他剛一到家就開始下雨他剛一到家就開始下雨.I had hardly got home when it began to rain. Hardly had I got home when it began to rain. No sooner had I got home than it began to rain. no soonerthan, hardlywhen, scarcelywhen中否定詞放句首時中否定詞放句首時 主句主句要要，并且，并且）Which choice

33、 is wrong? As soon as the poor mother heard the news that her son was kidnapped, she fainted.B. No sooner the poor mother heard the news that her son was kidnapped she fainted.C. She had hardly heard the news that her son was kidnapped when the poor mother fainted.D. Barely had the poor mother heard

34、 the news that her son was kidnapped when she fainted.名詞詞組名詞詞組the moment, the day, every time, next time, the first time等可以作連詞使用等可以作連詞使用, 后面無須加后面無須加when, 前面不用介詞。前面不用介詞。1. I simply cant resist entering MacDonalds _ I pass because I love hamburgers so much. A. the moment when B. every time when C. for

35、 the first time D. every time2. 一看到紅燈我就停下了我的車一看到紅燈我就停下了我的車. I stopped my car the moment I saw the red light.3. 每次聽了你的建議我都有所進步每次聽了你的建議我都有所進步. Every time I listen to your advice, I make progress.Read and Compare As the sound system has 44 speakers behind the screen, the sound seems very real. “Right!”

36、 shouted Lester as the audience clapped.What do the two sentences have in common?Are the two clauses introduced by “as” of the same kind?Read and Compare Since she answered the questions easily, she was soon ahead of the other two contestants. Since MP3 players were introduced in 1997, people have t

37、aken them everywhere.What do the two sentences have in common?Adverbial Clauses of Reasonbecause, since, as, now that, forbecause, since, as, now that, forBecause and ForBecause引導(dǎo)的引導(dǎo)的原因狀語從句原因狀語從句可在主句可在主句前前或者后或者后For引導(dǎo)的原因引導(dǎo)的原因并列分句并列分句只能放在只能放在主句主句之后，有逗號隔開之后，有逗號隔開Because it was raining, he took a taxi.H

38、e took a taxi ，for it was raining. Because引導(dǎo)的原因狀語從句可以引導(dǎo)的原因狀語從句可以回答以回答以why開頭提問，開頭提問，for不可不可- Why did you do it?- Because I was angry.- For I was angry. Because引導(dǎo)的從句前可以有副詞引導(dǎo)的從句前可以有副詞或者否定詞修飾，如或者否定詞修飾，如only because, not because, 等等The doctor looks tired and sleepy simply because he sat up all night with

39、 the patients. For引導(dǎo)的表原因的分句用來表示說話引導(dǎo)的表原因的分句用來表示說話者的者的推斷，預(yù)測的理由推斷，預(yù)測的理由，不能由，不能由because代替代替Spring is coming, for birds are singing.比較：比較：He stayed at home, because he was ill. (ill是一個是一個fact，直接導(dǎo)致主句，直接導(dǎo)致主句的結(jié)果，非推斷）的結(jié)果，非推斷）Because, Since and As 語氣上：語氣上： because since as Since有前提，聽者對原因已有所了解，有前提，聽者對原因已有所了解，表

40、示表示“既然既然” 只放在句首只放在句首Since you are a student, you should finish your homework by yourself.Since we are all here, lets begin our meeting. As一般放在句首一般放在句首,也可放在句中其他位置。也可放在句中其他位置。As it rained, I stayed at home. I learnt her hard-working and kind _ I got to know her in the bookstore. A. first time B. for t

41、he first time C. the first time D. by the first time 3. It was 19 years _ Mandela, the former president of South Africa, was set free from prison.A. before B. since C. until D. that 4. _ had the bell rung _ the students took their seats.A. Hardly; whenB. No sooner; when C. Hardly; than D. No sooner; then5. We walked along the beach for nearly three hours _ we saw a boat on the sea.A. when