外研版高中英語Book 5 Module 5 grammar Adverbial clause教學課件

Module5TheGreatSportsPersonalityAdverbialClause1.Toreviewadverbialclausesoftime,condition,andconcession2.Tolearnhowtomakesentenceswithadverbialclauses時間狀語從句1.

由when,while,as引導的時間狀語從句(1)when引導時間狀語從句時表示“當……的時候”。從句謂語動詞可以是延續(xù)性動詞也可以是短暫性動詞。如：IstudiedEnglishwhenIwasyoung.

Whenwemeet,Iwilldiscussitwithyou.

when還可以表示突然發(fā)生某事，常譯為“正在……忽然……”。如：Iwasdoingmyhomeworkwhentherewasabignoiseoutside.(2)while引導時間狀語從句時表示“當……的時候”。從句和主句中的謂語動詞一般是延續(xù)性動詞。有時也可表示主句的動作發(fā)生在從句動作進行的過程中，此時主句中的謂語動詞通常是短暫性動詞。如：Helistenedcloselywhilesheread.Whilethediscussionwasstillgoingon,thebosscamein.(3)as引導時間狀語從句時表示“當……時，一邊……一邊……，隨著……”。這時主、從句的兩個動作幾乎同時發(fā)生，或者一個動作隨著另一個動作的變化而變化。如：HelookedatmecuriouslyasIopenedthedoor.“I’llcallyouatnine,”hesaidashelefther.Astimepassed,thingsseemedtogetbetter.2.until,till引導時間狀語從句時，在肯定句中表示“做某事直至某時”，在否定句中表示“直至某時才做某事”。如：Let’swaittilltherainstops.Ididn’thaveabikeuntilIwas17.

3.assoonas,hardly...when,nosooner...than引導時間狀語從句時表示“一……就……”。如：Heleftassoonasheheardthenews.Hehadhardlyarrivedwhenitbegantorain.Hehadnosoonergothomethanhebegantocook.當hardly或nosooner位于句首時，主、謂語要進行部分倒裝。如：Hardlyhadwegotintothecountrywhenitbegantosnow.Nosoonerhadhearrivedthanhewentawayagain.4.since,eversince引導時間狀語從句時，表示“自從……以來”。這時，主句多用現(xiàn)在完成時或現(xiàn)在完成進行時。如：HehaschangedsomuchsinceIlastsawhim.I’vebeenwritingaplayeversinceIquitmyjob.5.

引導時間狀語從句的詞或短語還有：directly,immediately,after,before,themoment,bythetime等。如：Themanrushedintotheroomimmediatelyheheardthenoise.Thebabystartscryingthemomentheseeshismother.if引導的條件狀語從句可分為兩類：一類是真實條件句；一類是虛擬條件句。★真實條件句1.

表示依據(jù)其他將來事件，將來有可能發(fā)生的事件。如：I’llonlystayifyouoffermemoney.We’llstayathomeifitrains.2.

表示建議或命令某人做某事，及提出請求。如：I’llpayyoudoubleifyougettheworkfinishedbyFriday.Ifyougooutinsuchacoldday,putonmoreclothes.★虛擬條件句1.

虛擬條件句表示與現(xiàn)在事實相反的假設或現(xiàn)在不可能存在的情況時，條件從句謂語常用動詞過去式（be動詞的過去式用were），主句謂語用“would/should/could/might+動詞原形”。如：IfIwereyou,Iwould/should/could/mighthelphim.IfIhadthebookathand,Iwould/should/could/mightreadthepassagetoyou.2.

虛擬條件句表示與過去事實相反時，條件從句謂語常用過去完成時，主句謂語常用“would/should/could/mighthave+過去分詞”。如：Ifyouhadworkedharder,youwould

/should

/could/mighthavepassedyourexams.3.

虛擬條件句表示與將來事實相反時，條件從句謂語常用動詞的過去式（be動詞的過去式用were），should+動詞原形或wereto+動詞原形，主句謂語用would/should/could/might+動詞原形。如：Ifyoulivedthereforawhile,you’dchangeyourmindaboutthatplace.Ifheshould/weretocome,whatshouldwesaytohim?讓步狀語從句

1.though,although,evenif,eventhough引導讓步狀語從句，表示“即使，雖然，盡管”。though和although引導讓步狀語從句時，不與but連用，但可與yet,still等連用。如：

Though/Althoughheisrich,yetheisnothappy.

Evenif/Eventhoughheis24,heisstilllikeachild.2.though,as

引導讓步狀語從句時，經(jīng)常將形容詞、副詞、名詞或?qū)嵙x動詞提到句首，構(gòu)成倒裝。如：Youngthoughheis,heisquiteclever.Childasheis,heknowsalot.Tryasyouwill,youwon’tmanageit.3.while引導讓步狀語從句時，一般位于句首。如：

WhileIadmitthattheproblemsaredifficult,Idon’tagreethattheycannotbesolved.4.

“nomatter+疑問詞”或“疑問詞+ever”也可引導讓步狀語從句。如：

Nomatterwhatmayhappen,youshouldkeepcalm.=Whatevermayhappen,youshouldkeepcalm.選用括號內(nèi)合適的內(nèi)容填空。________(Once/Although)birdsusetheir

feathersforflight,someoftheirfeathersareforotherpurposes.

Although2.Yoursupportisimportanttoourwork.______Youcandohelps.A.However B.WhoeverC.Whatever D.WhereverC句意：您的支持對我們的工作來說很重要。無論您做什么都能幫到我們。A無論怎么樣；B無論誰；C無論什么；D無論哪兒。結(jié)合句意，故選C。3.Youwon’tfindpapercuttingdifficult______youkeeppracticingit.A.evenif B.aslongas C.asif D.eversinceB句意：只要你不斷練習，你就不會覺得剪紙很難。A即使，雖然；B只要；C猶如，好像；D自從。結(jié)合句意，故選B。4.______scientistshavelearnedalotabouttheuniverse,thereismuchwestilldon'tknow.A.OnceB.Since C.ThoughD.UnlessC句意：盡管科學家對宇宙已經(jīng)了解了許多，但是有許多我們?nèi)匀徊荒苤獣缘臇|西。A一旦；B既然，自從；C雖然；D除非。once和unless表示條件，since表示原因或時間；though表示讓步或轉(zhuǎn)折。這里是轉(zhuǎn)折含義，故選C。Grammarexercises選用括號內(nèi)合適的內(nèi)容補全下面句子。1.__________(Although/Because)Carlisintelligent,Idon'tthinkhewillwinthecompetition.2.________(Because/If)Ihadn'thadtimeforlunch,Iboughtasandwich.3.________(If/Until)anyonecallstellthemI'mnotathome.Although

BecauseIf

4.________(Onlyif/Asif)essential,nobodywantstotaketheaction.5.Peterhasn'thadmuchactingexperience,________(so/after)wecan'tgivehimt