（公开课）高中英语复习北师大版《时间状语从句》(共64张PPT)-最新课件.ppt

1、A long time ago,there was a huge tree.It loved a little boy.The boy loved to come and play around it whenever he was free.While apples riped(成熟成熟),He climbed to the tree topand ate the apples.When he was tired, he took a nap under the shadow.As the time went by, he had grown up, he never played arou

2、nd the tree.Because Im no longer a kid now. I dont playaround the tree anymore. I need money to buy toys. The tree said,“Sorry,I dont have money,but you can pickall my apples and sell them.So,you will have money.” The boy was so excited the time he heard it.He grabbed(攫取) all the apples and left hap

3、pily.For the boy never came back after he picked the apples,the tree was sad.The tree wasnt excited until the boy returned one day.The tree said”Come and play with me”.I dont have time to play.I have to work for my family.We need a house for shelter.Can you help me?“Sorry,but you can chop off(砍掉)My

4、branches to build your house.”So the man cut all the branchesof the tree and left happily.As soon as the man returned,the tree was delighted.The man said “I am sad and getting old,So I want to go sailing to relax myself.Can you give me a boat?”“Use my trunk(树干) to build your boat”,The tree said.The

5、man cut the tree trunk and made a boat.The tree was happy, but not really The tree had been ill for a long timesince the boy went sailing.Finally, the boy returned after he left for so many years.Sorry,my boy. I had some leaves not long before you come back,but I dont have anything for you now.“I do

6、nt need much more,just a placeto rest. Im tired after all these years.”The boy replied.“Good!Old tree roots are the best place to lean(倚靠) on and rest.Come,come sit down with me and rest.”The man sat down and the tree was glad and smiled with tearsThe tree is our parent. They give us everything they

7、 have.一一,What is an adverbial ,What is an adverbial clauseclause An adverbial clause is a dependent clause that functions as an adverb. In other words, it contains a subject (explicit or implied) and a predicate, and it modifies a verb. 1.Adverbial Clauses of Time（时间状语从句） 2.Adverbial Clauses of Reas

8、on (原因状语从句） 3.Adverbial Clauses of Conditions (条件状语从句） 4.Adverbial Clauses of Place (地点状语从句） 5.Adverbial Clauses of Purpose (目的状语从句） 6.Adverbial Clauses of Result（结果状语从句） 7.Adverbial Clauses of Comparison（比较） 8.Adverbial Clauses of Concession (让步） 9.Adverbial Clauses of Manner (方式状语从句 )Different Kin

9、ds of Adverbial Clauses: 引导词可分为两部分引导词可分为两部分 when whenever as while before after until (till) since every timenext timethe first/timeas soon asthe momentthe minuteinstantlyimmediatelydirectlyNo soonerthanHardlywhen (一一就就) While apples riped(成熟成熟), he climbed to the tree top and ate the apples. When h

10、e was tired, he took a nap under the shadow. As the time went by, he had grown up, he never played around the tree. 考点考点1：when / while / as whenwhile as 1.当当.的时候的时候2.这时这时,正在这时正在这时 *be doingwhen *be about to do sth when *be on the point of doing sth when *had (just) done when1.当当的时候的时候(从句的谓语从句的谓语必须是必

11、须是延续性延续性动词动词 ）2.而而,然而然而(强调强调两者对比）两者对比）3.虽然（让步）虽然（让步）1.一边一边.一边一边.(侧重强调主、侧重强调主、从句动作同点从句动作同点或同段进行或同段进行)2.随着随着.3.考虑到考虑到;既然既然(considering that)Exercises: when, while, as填空填空1._ he broke in, we were having an English class.2.I was about to go out to play basket-ball _it began to rain hard. 3.The train had

12、 gone _ I got to the station4.It was foolish of you to take a taxi_ you could easily walk there in five minutes .whenwhenwhen when考点考点1： when, while, as的区别：的区别：5. _ I was walking down the street, I came across an old friend of mine. 6. The little children sang happily _ they walked along .7._ summer

13、 comes, it is getting hotter and hotter.When/While as As 8.The cost of living in Glasgow is among the lowest in Britain, _ the quality of life is probably one of the highest.9._ I accept that he is not perfect, I do actually like the person.whilewhileWhileWhile而，然而而，然而( (二者对比）二者对比）尽管，虽然（放在句首）尽管，虽然（放

14、在句首）Finally, the boy returned after he left for so many years.Sorry,my boy. I had some leaves not long before you come back,but I dont have anything for you now.考点考点2 ：before的用法的用法1)表示表示“在在之后之后才才” We had sailed four days before we saw land.2)“还没来得及还没来得及就就” He ran out of the room before I could say a

15、 word.3)“在在之前就之前就” Many people left for home before the film ended .4).和和hardly连用，连用，”hardlybefore”表示表示“刚一刚一就就”。该结构主句常用过去完成时，。该结构主句常用过去完成时，当当hardly位于句首时要用倒装语序，例如：位于句首时要用倒装语序，例如： I had hardly sat down before (when)the telephone rang. The girl had hardly rung the bell _the door was opened suddenly, an

16、d her friend rushed out to greet her. A.before B.until C.as D.since before表示表示“要过多久才要过多久才” It will be (is) +一段时间一段时间+before从句从句(does) 要过要过才能做才能做It will not be +一段时间一段时间+before从句从句(does) 要不了要不了 就能做就能做It was +一段时间一段时间+before从句从句(did)过了过了做了做了It was not+一段时间一段时间+before从句从句(did) 没过没过做了做了Exercises:1.You m

17、ust learn to consult your feelings and your reasonyou reach any decision. A. although B. before (2013湖南高考湖南高考) C. because D. unless 2.How long do you suppose it will behe arrives at the Bell Tower? An hour or so. (2013咸阳模拟咸阳模拟) A. when B. before C. since D. after3. The fire went on for quite some ti

18、me _ it was brought under control. A. when B. since C. after D. before 4.The meaning of the word “nice” changed a few times_it finally came to include the sense “pleasant”. (2014安徽安徽)A.before B.after C.since D.while5. The little girl cried for several minutes _ her mother came to comfort her （2014安徽

19、省合肥高三一模）安徽省合肥高三一模） A.unless B.while C.once D.before The tree was happy, but not really The tree had been ill for a long timesince the boy went sailing.过去一个时间点过去一个时间点 (如具体的年、月、日期、如具体的年、月、日期、钟点）钟点）考点考点3： sinceI have been here since 2002.从句从句Great changes have taken place since you left.since I have be

20、en here since nine years ago. 一段时间一段时间+ agoIt is/ has been +一段时间一段时间since 从从句句(did)It is 10 years since he came here延续性动词延续性动词: :反过来翻译反过来翻译短暂性动词短暂性动词: :直译直译It is 10 years since he lived here.他不在这儿住已有他不在这儿住已有10年了年了.他来这儿有他来这儿有10年了年了. 1.-Havent seen you for ages! Do you still work in Xian? -_.Its four

21、years since I worked there. A.No, I dont. B.No, I havent C.Yes, I do. D. Yes, I have. 2. It _（ be) 5 years since he graduated from college.is/has been 易混淆句型 when/before/since/that1.It was 5 oclock _we arrived at the village.2.It was at 5 oclock _he got home.3.As it reported, it is / has been 100 yea

22、rs _ Tsinghua University was founded. .4.It was/ will be two weeks _ we met /meet again.5.It was 5 years laters_ he finished his research.whenthatsincethatbeforeThe tree wasnt excited until the boy returned one day.The tree said”Come and play with me”.(在句首、与在句首、与not无间隔连用及在强调句中无间隔连用及在强调句中只用只用until)We

23、 waited till (until) he came back She didnt stop working until eleven oclock . 我们一直等到他回来。我们一直等到他回来。她到她到11点钟才停止工作。点钟才停止工作。如如主句动词是如主句动词是延续性动作延续性动作，常用，常用肯定式，肯定式，表表示示“直到直到为止为止”;如主句动词是如主句动词是瞬间动词瞬间动词，常用常用否定式否定式，表示，表示“直到直到才才”考点考点4： till /untilnot until 句型句型 与强调句型结合与强调句型结合I didnt go to sleep until he came b

24、ack. 与倒装句式结合与倒装句式结合 not until he came back I went to sleep.Not until he came back did I go to sleep.It was thatAs soon as the man returned,the tree was delighted.1)：as soon as, immediately, directly, instantly, the moment, the instant, the minute “一一就就”。2): upon (on) +V-ing /n. at+n. Eg:The crying b

25、oy smiled at the sight of his mother. On arriving (leaving, returning)3)：No soonerthan =Hardly/ Scarcely when考点考点5： “一一就就”-Did you remember to give Mary the money you owed her?-Yes. I gave it to her _ _ _ _ 一一.就就 _ _I saw her.as soon asthe moment the minutethe instantimmediately directly Hardly/Scar

26、celywhenno soonerthan 主倒从不倒主倒从不倒=Hardly had I got home when it began to rain.=No sooner had I got home than it began to rain.我刚一到家，就下雨了。我刚一到家，就下雨了。I had hardly got home when it began to rain.主句过去完成时，从句一般过去式主句过去完成时，从句一般过去式 The tree said,“Sorry,I dont have money,but you can pickall my apples and sell

27、them.So,you will have money.” The boy was so excited the time he heard it.He grabbed(攫取) all the apples and left happily.主要有主要有every time(每次每次)，each time(每次每次)，(the) next time(下次下次)，any time(随时随时)，(the) last time(上次上次)，the first time(第一次第一次) 考点考点6：表示：表示“上次上次”、“下次下次”、“每次每次”等的等的 时间连词时间连词I thought her

28、nice and honest_I met her.A.first time B. for the first time C. the first time D. by the first time 考点考点7：by the time 在一般情况下，如果从句的谓语动词用在一般情况下，如果从句的谓语动词用一一般过去时般过去时，主句的谓语动词用，主句的谓语动词用过去完成时过去完成时；如果从句的谓语动词用如果从句的谓语动词用一般现在时一般现在时，主句，主句的谓语动词用的谓语动词用将来完成时将来完成时。例如：。例如： 1)By the time you came back, I _ (finish)

29、this book. 2)By the time you come here tomorrow, I _(finish) this work. had finishedwill have finished考点考点8：时间状语从句的省略：时间状语从句的省略时条让方地，主语同，谓语时条让方地，主语同，谓语be,省去二者都可省去二者都可以；如果主语是以；如果主语是it,省去省去its也可以。也可以。1.While she is still a student, she played many roles.2.When he was told the secret, he was surprised.

30、3.She always sings while she is doing her work. 4.I prefer my milk a little sweetened whenever it is possible. While watching TV, _.A the doorbell rangB the doorbell ringsC we heard the doorbell ringD we heard the doorbell rings1.The young couple,who returned my lost wallet,left_I could ask for thei

31、r names.(2014陕西陕西) A.while B.before C.after D.since2. One Friday, we were packing to leave for a weekend away _my daughter heard cries for help. A. after B. while C. since D. when3.They had no sooner arrived at the airport_it was time to check in. A.when B.Before C.than D.though4._ volleyball is her

32、 main focus, shes also great at basketball. (2011北京卷北京卷) A.Since B.Once C.Unless D.While5.It is well-known that atmosphere gets thinner and thinner _ the height increases. A.while B.when C.as D.with6.Theres no way of knowing why one man makes an important discovery _ another man, also intelligent, f

33、ails. (2013全国卷全国卷I) A. since B. if C. as D. while7.I have heard a lot of good things about you _ I came back from abroad. (2013陕西陕西) A.since B.until C.before D.when8.Because of the heavy traffic，it was already time for lunch break she got to her office(2010.四川四川)Asince Bthat Cwhen Duntil9.John think

34、s it wont be long he is ready for his new job. （2010.陕西）陕西）A. when B. after C. before D. sinceA 10.Its much easier to make friends_you have similar interests. (2013.安徽安徽)A.unless B. when C.even though D. once11. It cost me 20 yuan to get to the Quanzhou Museum yesterday. Well, it was a waste of mone

35、y to take a taxi _ you could have gone by bus as well. A. when B. while C. unless D. because12. You never really know whether you could handle failure _ you come face to face with it. A.until B. after C. when D. while13.She had just finished her homework_ her mother asked her to practice playing the

36、 piano yesterday .A. when B. while C. after D. since14.You cant borrow books from the school library _ you get your student card. A. before B. if C. while D. as15.Nancy enjoyed herself so much she visited her friends in Sydney last year. A.that B.which C.when D.where16. I really dont like art，I find

37、 his work impressive. A.AsB.SinceC.If D.While17. Did Jack come back early last night? Yes. It was not yet eight oclock _ he arrived home. A. before B. when C. that D. until 18._ entered the office when he realized that he had forgotten his report. A. He hardly had B. Had he hardly C. Hardly had he D. Hardly he had 19. A good storyteller must be able to hold listeners curiosity _ he reaches the end of the story. A. when B. unless C. after D. until