九年級(jí)英語(yǔ)復(fù)習(xí)狀語(yǔ)從句

狀語(yǔ)從句（一）時(shí)間狀語(yǔ)從句1．when,while,as的區(qū)別(1)when主句和從句中的動(dòng)作或事情可以同時(shí)發(fā)生，也可以先后發(fā)生。例如：Whenwewereatschool,wewenttothelibraryeveryday.(2)while，主句中的動(dòng)作與從句中的動(dòng)作同時(shí)發(fā)生。Pleasedon’ttalksoaloudwhileothersareworking.(3)asIsawhimashewasgettingoffthebus.2．一些表示時(shí)間的名詞短語(yǔ)也可用來(lái)引導(dǎo)時(shí)間狀語(yǔ)從句theminute,themoment,theinstant,everytime,thelasttime,everytime。如：ThefirsttimeIgottotheisland,Iwasamazedbyitsbeauty.ThemomentIenteredtheroom,Ismelledsomethingusual.EverytimeIvisithim,heisalwaysreading.directly和immediately“一……就……”，相當(dāng)于themoment/theinstant和assoonas。IknewsomethingwaswrongdirectlyIarrived.Theboysdidallsortsofmischiefimmediatelymybackwasturned.4．before和afterbefore引導(dǎo)的從句的動(dòng)作通常發(fā)生在主句動(dòng)作之后，如果從句是過(guò)去時(shí)，主句一般要用過(guò)去完成時(shí)或一般過(guò)去時(shí)。after引導(dǎo)的從句動(dòng)作通常發(fā)生在主句動(dòng)作之前，如果主句要用過(guò)去時(shí)，從句則要用過(guò)去完成時(shí)或一般過(guò)去時(shí)。Theplanehadtakenoffbeforehearrivedattheairport.Afterhehadlivedinthesouthfornearly20years,hedecidedtogotoseekhisfortuneinthenorth.nosooner...than和hardly(scarcely)．..when意為“一……就……”。主句動(dòng)詞用過(guò)去完成時(shí)。如果nosooner,hardly或scarcely位于句首，主句要倒裝。Nosoonerhadheenteredthehousethanitbegantorain.Hehadhardlygonetobedwhenthetelephonerang.6．till和until“直到……”，句首只能用until。在肯定句中，主句要用延續(xù)性動(dòng)詞；在否定句中，主句要用非延續(xù)性動(dòng)詞，這時(shí)until和before同義。Untiltheyhadfinishedthework,theydidnotgohome.7.It與before,since,when引導(dǎo)的時(shí)間狀語(yǔ)從句連用時(shí)的區(qū)別：(1)Itis/hasbeen＋時(shí)間段＋since...自從……以來(lái)已有多長(zhǎng)時(shí)間了。(2)Itis/was＋時(shí)間點(diǎn)＋when...“當(dāng)……的時(shí)候，是……”。(3)Itbe＋時(shí)間段＋before...“要過(guò)多久、過(guò)了多久……才”。Howlongisitsincewemetlasttime?ItwasalreadymidnightwhenIgothome.ItwasnotlongbeforeshegotmarriedandmovedtoJapan.（二）地點(diǎn)狀語(yǔ)從句地點(diǎn)狀語(yǔ)從句用where,wherever引導(dǎo)Wherethereisawill,thereisaway.Wherevertheywent,theyreceivedawarmwelcome.（三）原因狀語(yǔ)從句原因狀語(yǔ)從句用because（因?yàn)椋?，since（既然）,as（由于）引導(dǎo)1、由why提問(wèn)必須用because回答。since,as不回答why的提問(wèn)，而且從句一般放在句首，because一般放在主句之后。2、becauseof+名詞Becauseoftherain,wedidn’tgotothepark.3、because和so不可連用，只能選其一。（另有although,but）Whydidn’thecometoschool?Becausehewasill.SinceImustdie,Imust.既然我一定要死，我一定這樣做。4、for并列連詞，不能放在句首，主要放在兩個(gè)并列句之間。for所提供的理由為一個(gè)補(bǔ)充說(shuō)明，而且前面常有逗號(hào)隔開(kāi)。Thedaysareshort,foritisDecembernow.（四）目的狀語(yǔ)從句目的狀語(yǔ)從句用so（常用于口語(yǔ)）,that,sothat,inorderthat引導(dǎo)目的狀語(yǔ)從句的謂語(yǔ)常含有may,might,can,could,should,would等情態(tài)動(dòng)詞。We’llsitnevertothefrontsowecanhearbetter.Theyhurriedtothestationinorderthattheycouldcatchthetrain.（五）條件狀語(yǔ)從句1．if和unlessif表示正面的條件，意為“如果”，unless表示反向的條件，意為“除非，如果不”。Ifyou’vegotexamstomorrow,whyaren’tyoustudying？Thesportsmeetwillbegintomorrowunlessitrains.【專家提醒】條件狀語(yǔ)從句中常用一般時(shí)表示將要發(fā)生的動(dòng)作。2.providing,provided(that),supposing,suppose(that),aslongas,solongas,onconditionthat和incase這些連詞(詞組)意思相近，有“如果，只要，假如，假使，在……條件下”等意思。Supposing(that)youfailasecondtime,don’tgetdisappointed,buttryagain.Onconditionthattheliquidiscooledstillfurther,itwillturntoasolid.。3．onlyif和ifonlyonlyif引導(dǎo)的從句用陳述語(yǔ)氣，意為“只要”；ifonly引導(dǎo)的從句要用虛擬語(yǔ)氣，意為“但愿……”，“要是……就好了”。onlyifyouhavepersistence,canyouachievegreatsuccess.。IfonlyIhadwings,Iwouldbeabletotravelaroundtheworldeasily.（六）結(jié)果狀語(yǔ)從句結(jié)果狀語(yǔ)從句由such…that,so…that,sothat,that引導(dǎo)1.such…that的常用句型such+a/an+形容詞+可數(shù)名詞單數(shù)+thatsuch+形容詞+可數(shù)名詞單數(shù)+thatsuch+形容詞+可數(shù)名詞復(fù)數(shù)（不可數(shù)名詞）+that注意somany（much,few,little）+名詞，suchalotof（或lotsof）+名詞是慣用法。Sheissuchabeautifulgirlthatwealllikeher.Itwassuchdeliciousfoodthattheyateitup.2.so+形容詞或副詞+thatso+形容詞+a/an+可數(shù)名詞單數(shù)+thatHeissorichthathecanbuylotofthingsforhimself.Itwassohotadaythatweallwentswimming.Itwassuchagooddaythatweallwentswimming.3.sothat,that都可以引導(dǎo)結(jié)果狀語(yǔ)從句Hedidn’tstudyhard,（so）thathefailedtheexam.4.too…to,enough…to可以引導(dǎo)結(jié)果狀語(yǔ)從句與so…that替換Sheissoyoungthatshecan’tgotoschool./Sheistooyoungtogotoschool.Sheisn’toldenoughtogotoschool.（七）讓步狀語(yǔ)從句1．讓步狀語(yǔ)從句可由although，though，as，while，evenif(though)，whatever，whether...or...，nomatterwho(when，what...)等引導(dǎo)。Although/Thoughsheworksveryhard，(yet)shemakesveryslowprogress.WheneverI’munhappy(＝NomatterwhenI’munhappy)，itismyfriendwhocheersmeup.【專家提醒】however引導(dǎo)讓步狀語(yǔ)從句時(shí)，與它所修飾的詞一起放在句首。2．a(chǎn)s引導(dǎo)的讓步狀語(yǔ)從句的常見(jiàn)的幾種倒裝方式(1)如果從句的謂語(yǔ)部分為“不及物動(dòng)詞＋副詞”時(shí)，常將從句中的副詞提到從句的句首。Hardasyoumaytry，youwillnotsucceed.(2)如果從句的謂語(yǔ)部分為“情態(tài)動(dòng)詞＋不及物動(dòng)詞”，常將這個(gè)不及物動(dòng)詞提到從句的句首。Waitasyoumay，hewillnotseeyou.(3)如果從句的謂語(yǔ)部分是“系動(dòng)詞＋單數(shù)名詞”，則常將這個(gè)作表語(yǔ)的名詞提前，但這個(gè)名詞前面的不定冠詞要省略。Childasheis，hecantellrightfromwrong.3．while作“盡管”講引導(dǎo)讓步狀語(yǔ)從句時(shí)往往放在句首WhileIunderstandyourviewpoint，Idon’tagreewithyou.（八）方式狀語(yǔ)從句1．a(chǎn)s和justas“如……；猶如……，正如……”。justas比as強(qiáng)調(diào)的語(yǔ)氣更強(qiáng)。Intheearlydays,peoplecouldnotcountaswedonow.Mostplantsneedsunlightjustastheyneedwater.2．a(chǎn)sif和asthoughasif或asthough從句可以用陳述語(yǔ)氣，表示可能符合事實(shí)的情況；也可以用虛擬語(yǔ)氣，表示不符合事實(shí)或與事實(shí)相反的情況，意為“好像，仿佛”。Itlooksasthoughitisgoingtorain.Hespokeasifhewereaphilosopher.(從句動(dòng)詞與主語(yǔ)謂語(yǔ)同時(shí)發(fā)生，從句謂語(yǔ)要用一般過(guò)去時(shí))Hespeaksasifhehadbeentothemoon.(從句動(dòng)作發(fā)生在主句謂語(yǔ)之前，從句謂語(yǔ)要用過(guò)去完成時(shí))Hespeaksasifhewouldflytothemoon.(從句動(dòng)詞發(fā)生在主句謂語(yǔ)之后，從句謂語(yǔ)要用would/could/might＋do)（九）比較狀語(yǔ)從句比較狀語(yǔ)從句由as…as,notas（so）…as,than,the+比較級(jí)，the+比較級(jí)引導(dǎo)Heswimsaswellasyou.（do）/Hegothereearlierthanyou.（did）1.Itookmydrivinglicensewithmeonholiday, Iwantedtohireacar.A.incase B.evenif C.eversince D.ifonly2.Anyone,once_______positiveforH7N9fluvirus,willreceivefreemedicaltreatmentfromourgovernment.A.tobetestedB.beingtestedC.testedD.totest3.Youmustlearntoconsultyourfeelingsandyourreason________youreachanydecision.A.although B.beforeC.because D.unless4.Intheglobaleconomy,anewdrugforcancer,itisdiscovered,willcreatemanyeconomicpossibilitiesaroundtheworld.A.whateverB.whoeverC.whereverD.whichever5.Shesaysthatshe’llhavetoclosetheshop________businessimproves.A.if B.unless C.after D.when6.If_____tolookafterluggageforsomeoneelse,informthepoliceatonce.A.asked B.toask C.asking D.havingasked7.Onecanalwaysmanagetodomorethings,nomatter_______fullone’sscheduleisinlife.A.howB.whatC.whenD.where8.MarkneedstolearnChinese_______hiscompanyisopeningabranchinBeijing.

A.unless B.until C.although D.since9._______Ihavetogiveaspeech,IgetextremelynervousbeforeIstart.

A.Whatever B.Whenever C.Whoever D.However10.IhaveheardalotofgoodthingsaboutyouIcamebackfromabroad.A.sinceB.untilC.beforeD.when11.Hewassobusy.Hecannotaffordenoughtimewithhisson_____hewantsto.A.evenifB.asifC.becauseD.before12.small,thecompanyhasabout1,000buyersinover30countries.A.AsB.IfC.AlthoughD.Once13.Therearesomehealthproblemsthat,when______intime,canbecomebiggeroneslateron.A.nottreatedB.notbeingtreatedC.nottobetreatedD.nothavebeentreated14.wehaveenoughevidence,wecan'twinthecase.A.OnceBAslongasC.U