《狀語從句》ppt課件

1、狀語從句狀語從句 狀語從句在主從復(fù)合句中修飾主句中的動詞，狀語從句在主從復(fù)合句中修飾主句中的動詞，描畫詞或副詞，按意義可分為時間、地點、描畫詞或副詞，按意義可分為時間、地點、緣由、目的、結(jié)果、條件、方式、比較、退緣由、目的、結(jié)果、條件、方式、比較、退讓等狀語從句。讓等狀語從句。 從句的位置放在句首，也可放在句末。放在從句的位置放在句首，也可放在句末。放在句首時，從句后面常用一個逗號，放在句末句首時，從句后面常用一個逗號，放在句末時，從句前普通不用逗號。時，從句前普通不用逗號。 1when, as, while 從屬連詞從屬連詞 when即可引導(dǎo)繼續(xù)性動作，又可引導(dǎo)短暫性動作。即可引導(dǎo)繼續(xù)性動作

2、，又可引導(dǎo)短暫性動作。它可以表示主句的動作和從句的動作同時發(fā)生，或從它可以表示主句的動作和從句的動作同時發(fā)生，或從句的動作發(fā)生在主句動作之前。如：句的動作發(fā)生在主句動作之前。如： When I was a boy, I used to go to the seashore on Sundays.同時同時 When the lesson was over, we began our writing.從句動作在前從句動作在前1、時間狀語從句：、時間狀語從句：引導(dǎo)時間狀語從句的從屬連詞有：引導(dǎo)時間狀語從句的從屬連詞有：when, while, as, whenever, before, after,

3、 since, till, until, as soon as, once,the moment, immediately, no soonerthan, hardlywhen, by the time, every time, last time等引等引導(dǎo)。導(dǎo)。 as引導(dǎo)繼續(xù)性動作，偏重主句和從句的動作同引導(dǎo)繼續(xù)性動作，偏重主句和從句的動作同時發(fā)生。時發(fā)生。 He hurried home, looking behind as he went. I saw your sister as she was getting on the bus yesterday. He sang as he w

4、alked.While：指的是：指的是“在某一時間里，在某一時間里，“在在 期間，從期間，從句里的動作必需是繼續(xù)性的，它也強調(diào)主句和從句動句里的動作必需是繼續(xù)性的，它也強調(diào)主句和從句動作的同時發(fā)生，往往偏重主句和從句動作的對比。作的同時發(fā)生，往往偏重主句和從句動作的對比。如：如： While he was in London, he studied music. While we were watching TV, he was writing a composition.當(dāng)當(dāng)when, as, while表示表示“在在一段時間里，主從句的一段時間里，主從句的動作同時發(fā)生時，可以換用。如：動作

5、同時發(fā)生時，可以換用。如： While (When或或As) we were discussing, Mr. Smith came in.*when 可表示可表示“假設(shè)。如：假設(shè)。如：Dont be afraid of asking for help_ it is needed. (03全國全國A. Unless B. since C. although D. when*while可表示可表示“雖然，雖然。如：雖然，雖然。如：1)_ modeling business is by no means easy to get into, the good model will always be

6、in demand.(04浙江浙江A. While B. Since C. As D. If2)_ I accept that he is not perfect, I do actually like the person.(04江蘇江蘇A. While B. Since C. Before D. UnlessWhen和和while并列連詞，并列連詞，while表示對照的意思。表示對照的意思。When 表示表示“這時，忽然這時，忽然I do every single bit of housework_ my husband Bob just does the dishes now and t

7、hen.(04廣西廣西 A. since B. while C. when D. as2) He was about to tell me the secret_ some one patted him on the shoulder. (02上海上海 A. as B. until C. while D. when3) We were swimming in the lake _ suddenly the storm started.(04北京春招北京春招 A.When B. while C. until D. before 4) Jasmine was holidaying with her

8、 family in a wildlife park_she was bitten on the leg by a lion.(04上海上海 A. When B. while C. since D. before(2)till和和until 假設(shè)主句謂語動詞是繼續(xù)動詞，通常用一定式假設(shè)主句謂語動詞是繼續(xù)動詞，通常用一定式的主句，表示的主句，表示“直到直到為止。如：為止。如： I worked till (until) he came back.1) A good storyteller must be able to hold his listeners curiosity _ he reac

9、hes the end of the story.(03上海上海 A. when B. unless C. after D. until2) We were told that we should follow the main road _we reached the central railway station.(04遼寧遼寧 A. whenever B. until C. while D. wherever 假設(shè)主句謂語動詞是瞬間動詞，那么用否認(rèn)式的假設(shè)主句謂語動詞是瞬間動詞，那么用否認(rèn)式的主句表示主句表示“直到直到才。才。如：如：I didnt go to bed until (ti

10、ll) he came back.放在句首表示強調(diào)時普通用放在句首表示強調(diào)時普通用 until until。如：。如：Until he returns, nothing can be done.Until he returns, nothing can be done.3) -Was his father very strict with him when he was at school? -Yes. He had never praised him _ he became one of the top students in his grade.(03春招春招 A. after B. un

11、less C. until D. when4) Not until all the fish died in the river _ how serious the pollution was.(NMET95)did the villagers realize B. the villagers realizedC. the villagers did realize D. didnt the villagers realize*假設(shè)假設(shè)before引導(dǎo)的從句位于主句之后，引導(dǎo)的從句位于主句之后，有時不能譯成有時不能譯成“在在之前，而要譯成之前，而要譯成“就、就、“才才 等。如：等。如：The

12、struggle lasted four years before the North won in the end.He almost knocked me down before he saw me.1) Someone called me up in the middle of the night, but they hung up _ I could answer the phone.(00全國全國 A. as B. since C. until D. before2) He made a mistake, but then he corrected the situation _ i

13、t got worse.(03北京北京 A. until B. when C. before D. as(3)before “在在之前之前Before I came downstairs I had prepared myself very carefully for what I must say.3) Scientists say it may be five or six years_ it is possible to test this medicine on human patients.(04福建福建 A. since B. after C. before D. when4)It

14、 was evening _ we reached the little town of Winchester.(04天津天津 A. that B. until C. since D. before(4) by the time, each time, every time, immediately, the moment, the instant, the minute, soon after, shortly after都可以作為連詞，引導(dǎo)時間狀語。如：都可以作為連詞，引導(dǎo)時間狀語。如： By the time he was fourteen, he had taught himself

15、advanced mathematics. Each time he came, he would call on me. You must show him in immediately he comes. I recognized him the moment I saw him.留意：留意：時間狀語從句中謂語動詞不能用任何時間狀語從句中謂語動詞不能用任何一種未來時，只能用如今時和過去時一種未來時，只能用如今時和過去時表示未來時。表示未來時。- Did you remember to give Mary the money you owed her?- Yes, I gave it to

16、her _ I saw her.(01全國春招全國春招 A. while B. the moment C. suddenly D. once2、地點狀語從句：、地點狀語從句：通常由連詞通常由連詞where和和wherever引導(dǎo)。如：引導(dǎo)。如：Go back where you came from.Wherever you go, you must write to your parents.Where there is a will, there is a way.Where there is too much, the poison and waste may do great harm

17、to the things around us.1) The famous scientist grew up _ he was born and in 1930 he came to Shanghai.(02上海春招上海春招 A. when B. whenever C. where D. wherever2) She found her calculator _ she lost it.(00上海上海 A. where B. when C. in which D. that3、緣由狀語從句：、緣由狀語從句：通常由連詞：通常由連詞：because, as, since, now that引導(dǎo)。

18、引導(dǎo)。留意：留意： 在強調(diào)句中強調(diào)緣由狀語從句，只能用在強調(diào)句中強調(diào)緣由狀語從句，只能用because引導(dǎo)，引導(dǎo)，不可用不可用as或或 since，如：，如： It was because he was ill that he didnt go with us. because可以引導(dǎo)表語從句可以引導(dǎo)表語從句,而而 as, since不可以，不可以，這時狀語一這時狀語一 般都是般都是it, this, that Its because he is too lazy. for也表示也表示“由于，但是并列由于，但是并列 連詞，它銜接的不連詞，它銜接的不是狀語從句，語氣比較強。是狀語從句，語氣比較強

19、。 It must be morning,for the birds are singing.1) Parents should take seriously their childrens requests for sunglasses _ eye protection is necessary in sunny weather.(04上海上海 A. because B. though C. unless D. if 2) The changes in the city will cost quite a lot, _ they will save us money in the long

20、run.(00全國春招全國春招 A. or B. since C. for D. but4、目的狀語從句：、目的狀語從句： 通常由通常由that, so that, in order that, sothat, lest, in case以防、免得等引導(dǎo)：以防、免得等引導(dǎo)： He got up early in order that he could catch the early bus. She married him so that she might tend and comfort him. I explained again and again in case he should

21、misunderstand me.留意留意: 目的狀語從句中謂語動詞常含有目的狀語從句中謂語動詞常含有may (might), can (could) should, will等情態(tài)動詞。等情態(tài)動詞。 *lest (以免，免得以免，免得), for fear that I hid the book lest (=for fear that) he should see it.1) John shut everybody out of the kitchen _ he could prepare his grand surprise for the party.(02全國全國 A. which

22、B. when C. so that D. as if2) Roses need special care_ they can live through winter.(04全國全國 A. because B. so that C. even f D. as 3) Sally worked late in the evening to finish her report _ her boss could read it first next morning.(03北京北京春招春招 A. so that B. because C. before D. or else5、結(jié)果狀語從句：、結(jié)果狀語從

23、句： It was very cold, so that the river froze. The book is so written that it gives a quite wrong idea of the facts. There were so many people (=such a lot of people) in the room that we could not get in. He made such an excellent speech that every one admired him.由由that, so that, sothat, suchthat引導(dǎo)：

24、引導(dǎo)：6、條件狀語從句、條件狀語從句: 由由 if, unless, so/as long as (只需只需), so/as far as, in case (that) (假設(shè)，萬一假設(shè)，萬一)等引導(dǎo)：等引導(dǎo)： If plastics and rubber are burned, they give off poisonous gases. You can go out, as long as (so long as ) you promise to be back before eleven. In case I forget, please remind me about that.留意

25、：條件狀語從句中的謂語動詞的時態(tài)不可用未來留意：條件狀語從句中的謂語動詞的時態(tài)不可用未來 時，只能用如今時態(tài)或過去時態(tài)表示未來時。時，只能用如今時態(tài)或過去時態(tài)表示未來時。As far as I can tell , the whole thing should cost about $500. Unless you work hard, you will fail,1) John may phone tonight. I dont want to go out _ he phones.(00全國全國 A. as long as B. in order that C. in case D. so

26、 that2) The WTO cannot live up to its name _ it does not include a country that is home to one fifth of mankind. (00全國全國 A. as long as B. while C. if D. even though3) The men will have to wait all day _ the doctor works faster.(01全國春招全國春招 A. if B. unless C. whether D. that4) _you can call me to say

27、youre not coming, Ill see you at the theatre.(04吉林吉林 A. Though B. Whether C. until D. Unless5) You will succeed in the end_ you give up halfway.(01上海春招上海春招 A. even if B. as though C. as long as D. unless6) _ I know the money is safe, I shall not worry about it.(03北京北京 A. Even though B. Unless C. As

28、long as D. While7) - How far apart do they live? - _ I know, they live in the same neighborhood. (03上海上海 A. As long as B. As far as C. As well as D. As often as8) _ I can see, there is only one possible way to keep away from the danger.(04北京春招北京春招 A. As long as B. As far as C. Just as D. Even if7、方式

29、狀語從句：、方式狀語從句：The teacher told the students to do as he did.Leave it as it is.He heard a noise, as if someone was breathing. I saw the man looking about him as if he wished to impress upon his mind everything. as if和和as though意義和用法大致一意義和用法大致一樣，引導(dǎo)的從句多用虛擬語氣，但也樣，引導(dǎo)的從句多用虛擬語氣，但也可用陳說語氣?？捎藐愓f語氣。He treats me

30、as if I were his own son.He walked as if he were drunk. 由連詞：由連詞：as, as if, as though引導(dǎo)：引導(dǎo)：8、比較狀語從句：、比較狀語從句：由連詞由連詞asas, not so(as) as, than等引導(dǎo)：等引導(dǎo)：I hope it was as good as the one you lent me.Actually the ocean floor are almost as irregular as the exposed land area. No one can be more fit for his off

31、ice than he is. He cant run so fast as she.留意：留意：“the+比較級比較級(接從句接從句)，the+比較級比較級(接主句接主句)，這一句型也歸在比較狀語從句內(nèi)。如：這一句型也歸在比較狀語從句內(nèi)。如： The more you study, the more you know. The harder we work, the happier we feel.As far as I am concerned, education is about learning and the more you learn, _ . (02上海上海 A. the m

32、ore for life are you equipped B. the more equipped for life you are C. the more life you are equipped for D. you are equipped the more for life9、退讓狀語從句：、退讓狀語從句：由由though, although, as (雖然雖然雖然雖然), even if, even though, wh-ever, no matter-wh, whether引導(dǎo)引導(dǎo).1) Though he is old, yet he is active.2) Althoug

33、h most of the people agreed, some were not willing to accepted.3) Proud as the nobles are, he is afraid to see me.We wouldnt lose heart even if we should fail ten times.4) Whenever (=no matter when) you call on me, you are always welcome.5) Wherever (no matter where) you work, you can always find ti

34、me to study.6) Take the one you like best, whichever (no matter which) it is.7) No matter what I say or how I say it, he always thinks Im wrong.8) Whether he comes or not, well discuss the problem this afternoon.留意：留意： 1退讓狀語從句在句中的位置可放前也可放退讓狀語從句在句中的位置可放前也可放后，有時還可以插在主句中間，前置時，強調(diào)主句后，有時還可以插在主句中間，前置時，強調(diào)主句

35、內(nèi)容，后置時強調(diào)從句內(nèi)容。內(nèi)容，后置時強調(diào)從句內(nèi)容。 2though與與although同義，用法同義，用法根本一樣，前者通俗，口語化；后根本一樣，前者通俗，口語化；后者較正式，多放于句首，不能與者較正式，多放于句首，不能與but連用，但可以與連用，但可以與yet, still等連用，用等連用，用來加強語氣。來加強語氣。Though ( Although ) he was tired, yet (still) he went on working.3as, however引導(dǎo)退讓狀語從句時從句部分語序要引導(dǎo)退讓狀語從句時從句部分語序要部分倒裝。如：部分倒裝。如：Young as he is, he can read and write in several foreign language. 表語提早表語提早You should report any incident, however serous or mi