連詞狀語從句主要可分為兩類并列連詞從屬連詞---用于引導(dǎo)復(fù)合句中的從句:whileand和or或者,否則but但是so因此both…and…兩者都either…or…或者…或者…;neither…nor…既不…也不;notonly…butalso…不但…而且;然而;但是（動詞用復(fù)數(shù)）（選擇問句）（用于否定句）并列連詞:John,Kelly_____(和)Iaregoodfriends.(連接單詞)Studyhard,______(否則)you’llfallbehind.(連接句子)Areyoucomingbybus____(或者)onfoot?(連接短語)Wearethirsty.Iwouldlikeabottleoforange,___________(然而,但是)myfriendwouldlikesomecoldwater.(連接句子)andororbut/while1、這里的天氣既不太冷也不太熱。Theweatherhereis___________toohot________toocold.2、她不但美麗而且聰明。Sheis________pretty__________clever.3、不是你對就是我對。_______you_______I_____correct.*either…or,neither…nor連接兩個并列主語是，謂語動詞要與“or”，“nor”后的主語一致。---就近原則neithernornotonlybutalsoEitheroramEitheryouorshe_______correct.is從屬連詞---用于引導(dǎo)復(fù)合句中的從句，也叫從句的引導(dǎo)詞。1、用于引導(dǎo)條件狀語從句：if如果2、用于引導(dǎo)時間狀語從句：3、用于引導(dǎo)原因、結(jié)果狀語從句：when/while當(dāng)…時候(while通常用于進(jìn)行時）before在…之前;after在…之后;assoonas一…就;until/till到…時候;since自從so+形容詞+that+句子如此…以至于because因?yàn)?since由于;sothat+句子以便于…動詞是延續(xù)性動詞Theteacherspeaksveryloudly___allthestudentscanhearher.A.sothatB.becauseC.sinceD.when2.Theboywas_____tired_____hecouldn’tmove.A.too,toB.neither,norC.so,thatD.either,or3.A:Didyouseewhothedriverwas?B:No,thecarransofast____Icouldn’tgetagoodlookathisface.A.thatB.whichC.asD.afterACA5、用于引導(dǎo)比較狀語從句:as…as和…一樣;notso/as…as不如;than比…更;less…than比…更不;themore…themore越…越…->4、用于引導(dǎo)讓步狀語從句：though/although雖然…(但是);eventhough即使;nomatterwho無論誰=whoever;nomatterwhat無論什么=whatever;nomatterhow無論怎樣;->

連接條件狀語從句：1、You’llbelate_____(如果)youdon’tgetupearlytomorrow.2、I’llcometoseeyou_______(如果)I’mfreenextSaturday.3、We’llhaveapicnictomorrow_______(如果)itdoesn’traintomorrow.注意狀語從句的時態(tài)：“主句用將來時，從句用一般現(xiàn)在時”。ifififassoonas連接時間狀語從句：Iwascleaningthefloor_____(當(dāng)…的時候)sheknockedatthedoor.Dickclimbedupintoatree____________(一…就)hesawthebear.Iknewnothingaboutit____(直到...才)myfriendtoldmeyesterday.Ihaven’theardfromBill______(自從)wegraduatedfrommiddleschool.whenassoonasuntilsincesince引導(dǎo)的從句，主句用現(xiàn)在完成時，從句用過去時。Wehavetogetupat7:15tomorrowmorning,____wewillbelateforthe7:40train.A.beforeB.orC.ifD.so2.Duringtheearthquake,manybuildingsfelldown____thepeopletheredidn’tgiveuphope.A.AndB.SoC.OrD.But3.Lindatriedtobecomeanexcellentteacher,____atlastshesucceeded.A.soB.orC.butD.andBDD否則4.Don’tforgettowashyourhands_____youhavemeals.A.untilB.beforeC.whenD.while5.A:Wherewasyourbrotheratthistimelastnight?B:Hewaswritingane-mail____IwaswatchingTVathome.A.assoonasB.afterC.untilD.while6.____Sweizerlandisverysmall,____itisthelandofwatchanditisveryrich.A.Though,butB.Because,soC.Because,不填D.Though,不填BDDalthough,though不能與but同時連用7.___you___heisabletoskate,butIam.A.Both,andB.Notonly,butalsoC.Either,orD.Neither,nor8.Aliceis____youngthatshecan’tdressherself.A.suchB.veryC.soD.quiteDC9.____hewasill,sohestayedathome.A.SoB.becauseC.ThoughD./because不能與so連用D10.Hestoppedplayingbaseballin1998______hisillness.becauseofB.attheendofC.nexttoD.insteadof

A11.Hemetmanyproblems_____hewasgoingoverhis