1、時間時間狀語從句狀語從句原因原因狀語從句狀語從句地點地點狀語從句狀語從句目的目的狀語從句狀語從句結果結果狀語從句狀語從句條件條件狀語從句狀語從句讓步讓步狀語從句狀語從句比較比較狀語從句狀語從句方式方式狀語從句狀語從句引導詞引導詞 when whenever as while before after until (till) since as soon as onceeach/every timenext timethe first/timethe momentthe minuteinstantlyimmediatelydirectly(一一就就)no soonerthanhardly/sca

2、rcelywhen1)when的用法：was doingwhen, be about to do when“正在做 某事/正要做.突然發生另一件事”。2.)幾種特殊句型與強調結構的區別： It is + 時刻 + when It is/has been + 段時 + since It will be/was + 段時 + before (現在時/過去時).“過一段時間才” 3).before的用法： A：表“還未來得及就” B：表“過一段時間才”，4).until的用法：在notuntil結構中，謂語用短暫性動詞， “直 到才”;謂語為延續性動詞，用until表“一直持續到”。考查重點考查重點

3、5) no soonerthan hardly/scarcelywhen 剛剛就就A. 時態：主句用時態：主句用過去完成時過去完成時（had + pp） 從句用從句用一般過去時一般過去時B. 倒裝：倒裝： no sooner/hardly/scarcely放句首，放句首，主句主句要要 到裝到裝She had no sooner arrived at the station than the train started to move.No sooner had she arrived at the station than .He had hardly entered the hotel wh

4、en it began to snow.Hardly had he entered the hotel when it began to snow高考真題1. theres no way of knowing why one man makes an important discovery _ another man, also intelligent, fails. A. since B. if C. as D. while2. Its much easier to make friends _ you have similar interests. A. unless B. when C.

5、 even though D. so thatDB3. I have heard a lot of good things about you _ I came back from abroad. A. since B. until C. before D. when 4. All the photos in the book, _ stated otherwise, date from the 1950s. A. unless B. until C. once D. ifAC考查重點考查重點 because, since, as, forbecause直接原因，非推斷語氣最強回答whysin

6、ce 通常放句首譯為“既然”as 不談自明的原因，語氣最弱for 放句中，對前面一句話的內容的補充說明 。高考真題1.Parents should take seriously their childrens requests for sunglasses _eye protection is necessary in sunny weather.A. because B. though C. unless D. if2.Jenny was very sad over the loss of the photos she had shot at Canada, _this was a memo

7、ry she especially treasured. A. as B. if C. when D. whereAA 引導詞引導詞 where， wherever，anywhere, everywhere where指指“在某個地方在某個地方”， wherever指指“無論哪里，在任何一個地方無論哪里，在任何一個地方”， anywhere 指指 “ 在任何地方在任何地方” everywhere 指指 “每到一個地方每到一個地方”高考真題1.In peace，too，the Red Cross is expected to send help _ there is human sufferin

8、g. A. whoever B. however C. whatever D. wherever 2 -Mom，what did your doctor say？ -He advised me to live _ the air is fresher. A. in where B. in which C. the place where D. whereDD目的狀語從句和結果狀語從句目的狀語從句和結果狀語從句 引導目的狀語從句連詞有：引導目的狀語從句連詞有：in case, so that, in order that, for fear that。 so that引導狀語從句只能置于主句之后

9、。In order that引導狀語從句可放主句之前或之后。目的狀語從句的謂語常含有can，could，may，might情態動詞。這也是與結果狀語從句的一個區別。引導結果狀語從句的連詞有：結果狀語從句的連詞有：so that，sothat，suchthat.結果狀語放在主句之后。 注意：注意：在sothat，suchthat結構中一般成分齊全。這也是與as引導定語從句的區別。在soas，suchas 這一結構中，as引導定語從句，在句中做成分。1. The police officers in our city work hard _ the rest of us can live a sa

10、fe life.A.In case B. as if C. in order that D. only if2. if as/so long as as far as unless in case（如果）（如果） suppose/supposing (that)Providing/provided (that)on condition thatgiven (that) 條件狀語從句一般考查三點：1)在條件狀語從句中常用一般現在時表示一般將來時，用一般過 去時表過去將來時。 2)if，unless，in case是考查重點。3)when還可表條件，這一點不可忽視。意思是：既然，考慮到。 如： H

11、ow can they learn anything when they spend all their spare time watching television？他們把所有空閑的時間都用來看電視了， 還能學到什么東西呢？1._you call me to say youre not coming，Ill see you at the theatre. (2004吉林) A.Though B.Whether C.Until D. Unless 2.-What would you do if it _ tomorrow？ -We have to carry it on，since weve

12、got everything ready. A.rain B.rains C.will rain D.is raining (05全國)3.You must keep on working in the evening_you are sure you can finish the task in time. (2005安徽) A.as B.if C.when D.unless4._youve tried it，you cant imagine how pleasant it is A.Unless B.Because C.Although D.When (06北京)5.In time of

13、serious accidents，_we know some basic things about first aid，we can save lives. (2006重慶) A.whether B.until C.if D.unless D B D A C 讓步狀語從句的連詞有：讓步狀語從句的連詞有：though /although“盡管盡管”，even if /even though“即使即使”，no matter how(what，when，which，who， where)，however(whatever，whenever，whichever，whoever， wherever),

14、 as“盡管盡管” 1)although與與though可互換，都可以與可互換，都可以與yet，still連用，但不能和連用，但不能和but連用。連用。2)However引導讓步狀語從句時后緊跟形容詞或副詞。引導讓步狀語從句時后緊跟形容詞或副詞。3)While也可引導讓步狀語從句，這一點特容易被考生忽視。也可引導讓步狀語從句，這一點特容易被考生忽視。4)Whatever修飾名詞，修飾名詞，“無論什么無論什么”，however修飾形容詞、副詞，修飾形容詞、副詞，“無論多么，無論多么， 無論怎么無論怎么”。5)even if/even though(即使即使)與與as if/as though(好

15、像好像)這兩組學生容易混淆，這兩組學生容易混淆， 也是出題者關注的對象，平時要記準含義。也是出題者關注的對象，平時要記準含義。1._，I have to put it away and focus my attention on study this week.(04上海春) A. However the story is amusing B. No matter amusing the story is C. However amusing the story is D. No matter how the story is amusing2._I accept that he is not

16、 perfect，I do actually like the person. (04江蘇) A. While B. Since C. Before D. Unless3.You should try to get a good nights sleep_ much work you have to do.(04湖北) A. however B. no matter C. although D. whatever4.He tried his best to solve the problem，_difficult it was. (05天津) A. however B. no matter C

17、. whatever D. although5.Allow children the space to voice their opinion，_they are different from your own. (05湖南) A. until B. even if C. unless D. as though6.The old tower must be saved，_the cost . (05浙江) A. however B. whatever C. whichever D. wherever7._he has limited technical knowledge，the old wo

18、rker has a lot of experience A. Since B. Unless C. As D. Although. (06全國卷I) C A A A B B Daslikeas if/as thoughthan / as注意省略注意省略The project was completed earlier than (it was) expected.He worked as fast as a skilled worker (worked).Repeat this as often as (it) is necessary.Then see a doctor as soon a

19、s (it is) possible.Do you have to feed plants like you feed chickens?Do it like I tell you.（1）連詞連詞 + 過去分詞過去分詞Dont speak until spoken to. Pressure can be increased when needed. Unless repaired, the washing machine is no use. （2）連詞連詞 +現在分詞現在分詞Look out while crossing the street. （3）連詞連詞 + 形容詞形容詞 / 其他常見的有其他常見的有 if necessary, if possible, when necessary, if any等。狀語狀語從句中從句的省略現象從句中從句的省略現象(08安徽安徽) Have you got any particular plans for t