狀語從句課件高考英語二輪復習

狀語從句一、時間狀語從句1.when的用法（1）當……時候(可與持續(xù)性、短暫性動詞連用,when引導的從句的動作可在主句動作之前/同時發(fā)生)Eg:WhenIlived

there,IusedtogototheseashoreonSundaysWhenthefilmended,thepeoplewentback.(短暫性動詞：如start/begin/decide)（2）突然,就在這時（從句均為一般過去時）was/weredoing…when…正在做某事突然hadjustdone…when…剛剛做了某事突然was/wereabouttodo…when…剛要做某事突然was/wereonthepointofdoing...when...剛要做某事突然2.while的用法（1）：在……期間、當……時候(從句必須是持續(xù)性動詞，主句動作和從句動作同時發(fā)生)While+主語+bedoing:Pleasedon’ttalksoloudwhileothersareworking.（2）趁著eg:Wemustworkhardtogainmoreknowledgewhileweareyoung.3.as的用法（1）當...時，常與延續(xù)性動作連用，從句動作與主句動作同時或者幾乎同時發(fā)生。eg:Aslwasgoingout,itbegantorain.(2)隨著Astimegoeson,it’sgettingwarmerandwarmer.4.一...就(1)assoonas(2)theinstant/themoment/theminute/thesecond(3)immediately/instantly/directly(4)on/upon+doing(5)nosooner...than;hardly/barely/scarcely...when注意：①nosooner……(過去完成時)than……(一般過去時)Hardly/scarcely/barely……(過去完成時)when……(一般過去時)②nosooner,hardly/scarcely/barely位于句首時，所在的主句倒裝Hehad

nosoonerfinishedhisspeechthanthestudentsstartedcheering.→Nosoonerhadhefinishedhisspeechthanthestudentsstartedcheering.5.till,until和not...until（2）否定句not......until/tillnotuntil位于句首時句子倒裝(前不倒后倒)(主句的謂語動詞必須是非延續(xù)性動詞)Eg:Thefilmdidn’tbeginuntilshearrived.Notuntilthefilmbegandidshearrive.（1）肯定句：until/till”表示“到……為止”，可以互換，

注意：till不可以置于句首，而until可以Eg:Heremainedthereuntil/tillshearrived.UntilyoutoldmeIhadnoideaofit.6.before的用法（1）在..之前eg:Wehadsailedfourdaysandfournightsbeforewesawland.（2）句式：Itwill(not)be＋一段時間＋before...從句用現(xiàn)在時

(沒有)過……時間才(就)……eg:ItwillbehalfayearbeforeIcomeback.Itwon’tbelongbeforewemeetagain.Itwas(not)＋時間段＋before...從句用過去時

(沒有)過了……(時間)才(就)……eg:Itwasthreedaysbeforehecameback.Itwasn'ttwoyearsbeforeheleftthecountry.7.since的用法（1）自從，since后接過去的時間點或一般過去時態(tài)的從句時，句子或主句用現(xiàn)在完成時(現(xiàn)在完成進行時)。eg：Greatchangeshavetakenplacesinceyouleftthiscity.Theyhavebeenlivingveryhappilyeversincetheygotmarried.（2）句式：

Itis/hasbeen＋一段時間＋since...(從句用一般過去時)“自從…有多久”注意：since從句里的謂語動詞是瞬間動詞時，表示這段時間從該動作開始時算起；since從句里的謂語動詞是延續(xù)性/表狀態(tài)的動詞時，則表示這段時間從動作結束時算起。Itisthreeyearssincehejoinedthearmy.（join為瞬間動詞）ItisthreeyearssinceIsmoked.（smoke為延續(xù)性動詞）8.bythetime的用法bythetime+sb.did,主句用過去完成時bythetime+sb.do/does,主句用將來完成時BythetimeIgraduatenextyear，I______________(live)for5years.Bythetimehewas12,he_____________(travel)tomorethan12countries.willhavelivedhadtraveled9.every/eachtime,nexttime,thefirst/lasttime等名詞短語用來引導時間狀語從句，表示“每當……，每次……，下次……，當?shù)谝淮?上次……”等Every/EachtimeIwasintrouble,hewouldcometohelpmeout.ThelasttimeshesawJames,hewaslyinginbed.二、地點狀語從句

通常由where,wherever引導①WeshouldgowherethePartyneedsusmost.我們應到黨最需要我們的地方去。②Youarefreetogowhereveryoulike.你愿意去哪里就去哪里。1.Whenhereadsabook,hishabitistomakeamark____________themeaningisuncleartohim.2.Ifyouaretravelling___________thecustomsaretotallydifferentfromyourown,youmayfeelaculturalshockwhereverwhere三、條件狀語從句（主將從現(xiàn)）if如果unless=ifnot除非...否則，如果不incase以防，萬一once一旦as/solongas只要onconditionthat條件是providing/provided(that)如果supposing/suppose(that)假如giventhat如果，假定，鑒于onlyif/ifonly只有...才；只要...就/要是...就好了四、讓步狀語從句1.although/though/as/while(一般放于句首)注意：雖然可以與yet,still或nevertheless連用，但不能和but連用。（1）讓步狀語從句中倒裝的情況as或though引導的從句一般放在主句之前，常用倒裝語序。從句中的表語、狀語或動詞原形置于句首。若表語是單數(shù)名詞，前置時要省略冠詞。Childas/thoughheis,hecantellthenamesofallthecars.Muchas/thoughIlikeit,Iwon'tbuyit,forit'stooexpensive.Tryas/thoughyoumay,you’llneversucceed.（2）though還可用作副詞，意為“可是，然而”，置于句末。Hesaidhewouldcome；hedidn't，though.（2）eventhough/if:即使、盡管(語氣較強)Eg:EventhoughIhavemanydelicatefeelingstoshare,whocanIspeakto?（3）wh-ever(=nomatter+wh-疑問詞)無論Eg:Whateveryousay,hewon’tbelieveyou.=Nomatterwhatyousay,hewon’tbelieveyou.（4）however+adj./adv.+主謂Eg:Howevermuchworkyouhavetodo=Nomatterhowmuchworkyouhavetodo.注意：疑問詞＋-ever還可引導名詞性從句(5)whether...or無論A還是BWhetheryoustayorleave,Iwillgo.五、原因狀語從句1.由because引導：因為(直接原因，回答由why的提問)Eg:--Whywereyouabsentfromthemeeting?--BecauseIwasill.2.由for引導原因狀語從句(不說明主句動作發(fā)生的直接原因，推測)注意：for引導的原因狀語從句只能放在主句后Eg:Itmusthaverainedlastnight,fortheroadiswet.3.since/nowthat:既然、由于(公眾了解的原因)Eg:Nowthat/Sinceeverybodyishere,let’sbeginourmeeting.4.由as引導原因狀語從句：因為...(表示的理由最弱，只是對主句的附帶說明)Eg:Asitisraining,weshallnotgotothepark.5.inthat:因為Eg:Theoryisvaluableinthatitcanprovideadirectionforpractice.6.Dueto/owingtothefactthatEg:Hewaslateforschoolduetothefactthatthetrafficwasveryheavy.六、結果狀語從句結果狀語從句常位于主句之后，由so,so…that,such…that;sothat等引導。注意：1、區(qū)別so...that和such...that的用法：名前such，形、副so，that從句跟在后；多多少少必用so，特別注意是little；“小”用such，“少”用soTherewassolittlefoodathomethatwehadtogoouttobuysome.Mikeissuchanhonestworkerthatweallbelievehim.→Mikeissohonestaworkerthatweallbelievehim.Hehasmadesuchrapidprogressthathewaspraisedbyhisteacherthreetimesaday.Socleverastudentwashethathewasabletoworkoutallthedifficultproblems.Suchrapidprogresshashemadethathewaspraisedbyhisteacherthreetimesaday.注意2、當so或such置于句首時，主句要用部分倒裝語序1.Hisplanwas________agoodonethatweallagreedtoacceptit.2.Hespeaks_______

fastthatnoonecancatchhim.3.Theyare_______

fineteachersthatweallholdthemingreatrespect.4.ThisSwedenadmiredNapoleon______muchthathewantedtojointheFrencharmyandfightforhim.5.Therewere_______

manypeopleintheroomthatwecouldnotgetin6.Therewas______littlefoodinthefridgesoIhadtoeatout.7.Theyare_______littlekidsthattheycannotdressthemselves.8.Hemade_______fewmistakesthathiscompositiongotahighscore.suchsosuchsosososuchso七、

目的狀語從句1、sothat與inorderthat為了，以便”，從句常與情態(tài)動詞can,could,may,might等連用。inorderthat引導的從句可以置于主句之前或之后sothat引導的從句只能置于主句之后Eg:I’llspeakslowlysothatyoucanunderstandme=Inorderthatyoucanunderstandme,I’llspeakslowly.=I’llspeakslowlyinorderthatyoucanunderstandme.注意：sothat既可以引導結果狀語從句，也可以引導目的狀語從句。區(qū)別：sothat引導目的狀語從句時從句中一般會有情態(tài)動詞(can、could、would....)2.forfearthat唯恐Eg:Heclosedallthewindowsforfearthatthehousewasbrokeninto.3.incase以免，以備，以防Eg:Takeyourraincoatincaseitrains/shouldrain4.lest以免Eg:Becarefullestyoufallfromth