英语连词第一部分:连词分类连词,主要是包括并列连词和从属连词。在句子中,连词起连接词与词、短语与短语及句子和句子的作用。它本身在句子里不单独做句子成分。并列连词:是用来连接语法地位相同的结构、相同的单词、短语及句子。并列连词有:and,but,or,nor,so,foryet,however,aswellas,both...and,notonly...butalso,either...or,neither...nor,still,从属连词:用来引导状语从句。从属连词有:after,when,before,as,while,since,until,till,if,unless,lest,because,than,that,whether,sothat,inorderthat,asif,asthough,although,supposethat,provided,that,as...as,nowthat,such...that,incasethat,onconditionthat第二部分:连词的用法并列连词:并列连词作用举例and连接单词MybrotherandIstudyintheSameschool.连接短语Ourknowledgemaycomefromthebooksandfrompractice.连接句子Wearesingingandtheyaredancing.But,orIhaveapenbutnopencil.Willyougotherebybusoronfoot?Nothingbut除了,只有Ididnothingbutwatchit.Or表示否则Hurryuporyouwillbelate.for表示后面的句子是原因Heisgoodatmathforhestudiesharderthanothers.still表示后句概念由前句转折而来Theweatherisverycold,stillweneedn’twearmoreclothes.Notonly…butalso不仅…而且。可并列主、谓、宾、表及句子。主语并列时,谓语要就近一致NotonlyhebutalsoIamateacher.Aswellas以及,同样。并列单词、短语、句子。并列主语时,动词要随前面的主语变化HeworksaswellashecanEither…or既…又…,或…或…,并列主、谓、宾、表及状语Eithercomeinorgoout.Neither…nor既不…也不,并列主、谓、宾、表、状语,并列主语时,谓语就近一致NeitheryounorhespeaksFrench.Both…and和,既…也,并列主、谓、宾及表语Icanplaybothfootballandbasketball.nor也不,引导句子要倒装HecannotspeakEnglish,norcanI.so因此,所以,不合because连用Youlikeapples,sodoI.从属连词:连词作用举例after表示“时间”,在…之后AfterIfinishedtheschool,Ibecameaworkerinthefactory.Although/though表示让步,“尽管”Althoughsheisyoung,sheknowsalot.as表示时间,“当…时”,方式“象…”,原因,“由于、因为”让步,“尽管、虽然”Asitwaslate,wemustgonow.Asif/asthough表方式,“似乎、好像”Hetoldissuchastoryasthoughhehadbeentherebefore.Aslongas/solongas表条件,“只要”AslongasIamfree,I’llgotohelpyou.Assoonas表时间,“一…就…”IwillphoneyouassoonasIcomeback.because表原因,“因为”IhavetostayinbedbecauseIamill.before表时间,“在…之前“Youshouldthinkmorebeforeyoudoit.Evenif/eventhough表让步,“即使”Youshouldtryagainevenifyoufailed.Hardly…when表时间,“(刚)一…就”HardlyIenteredthegatewhenshebellrang.if“假如”,引导条件状语从句WhatshouldIdonetiftheraindoesn’tstop?“是否”,引导宾语从句Idon’tknowifhecomesbackornot.Incase表目的,“以防,以免”Youshouldbemorecarefulincasethereisafire.Inorderthat表目的,“为了,以便”Westudyhardinorderthatwecanpasstheexam.Nomatter+疑问词表让步,“无论,不管”Nomatterwhatyoudo,youshouldtryyourbest.Nosooner…than表时间,“刚一…就…”NosoonerhadIcomehomethanitbegantorain.Nowthat表原因,“既然,因为,由于”Nowthatthecropsarein,wecanstarttomakepreparationsforwintersowing.once表时间,“一旦…”Onceyouknowtherules,you’llhavechoicetoobeythem.since表时间,“自从…以来”Hehasbeeninthiscompanysinceheleftschool.表原因,“既然,由于”Sincethejobisdangerous,let’sdoitmorecarefully.sofaras/asfaras表条件,“就…而言,就…而论”AsfarasIknow,itiseasyforyoutospeakinEnglish.Sothat表目的“以便”Speakloudsothateverybodycanhearclearly.So…that表结果“如此,以致”Hegotupsolatethathemissedthebus.than表示比较,“比”Thingswereworsethanwethought.that无词义,引导名词性从句Itisdangerousthatwewalkonthethinice.引导定语从句和状语从句Shehurriedthatshemightnotbelateforwork.unless表条件,“除非,如果不”Iwillgotothezoounlessitrains.Until/till表时间,“直到…为止”I’llwaittillhecomesback.when表时间,“当…时“Whentheygotthere,thetrainhasleft.whether“是否”引导名词性从句Whetherhecansometoseeusisunknown.表让步,“不管/无论、是否”Whethersheisillorwell,sheisalwayshappy.while表时间,“当…时”WhilehewasinBeijing,hevisitedtheGreatWall.表让步,“尽管,既然”WhileIfindtheproblemsverydifficult,Idon’tthinktheminsoluble.whenever表时间,“无论什么时候”Wheneveryoumeetanytrouble,tellmeatonce.初中英语连词练习1.HecanspeakEnglish_______Chinese.A.butB.alsoC.soD.and2.Physicsisnotsoeasy,_______Ilikeitverymuch.A.butB.orC.sinceD.because3.WillTomwaitforherathome______atthelibrary?A.orB.asC.sothatD.both4.Shehasason_______adaughter.A.butB.andC.soD.or5.I'llgiveherthegift______shearrives.A.soB.beforeC.assoonasD.since6.Tomwas____illthatwehadtosendforadoctor.A.soB.veryC.andD.too7.Thewomanwas____angry_____shecouldn'tspeakanything.A.neither…norB.either…orC.both…andD.so…that8.______wegothomeitwasverylate.A.WhenB.WhileC.BecauseD.As9.Weheardclearly_____shesaid.A.whatB.whichC.beforeD.because10.Ican'tsleepwellatnight,______Ioftenfeelverytiredintheday.A.soB.becauseC.andD.or11.Whenyou'relearningaforeignlanguage,useit,______youwillloseit.A.butB.orC.thenD.and12.---Canyouplayfootball?---Yes,Ican,______Ican'tplayitverywell.A.orB.andC.butD.so13.Studyhard,______youwillfallbehind.A.andB.butC.soD.or14.Myfavoriteisactionmovie______Ithinkit'sexciting.A.andB.becauseC.butD.so15.Theboyisverysmart,______manyofhisclassmateslikehim.A.butB.soC.orD.for16.Hehasneverheard______seensuchathingbefore.A.norB.andC.orD.since17._________John_______Iarepolicemen.A.Neither...norB.Either...orC.Both...andD.Notonly...butalso18.MrSmithteaches______well______hislessonsarenoteasilyforgotten.A.very...thatB.quite...butC.so...asD.so...that19.Hedidn'tgotosleep______hefinishedhishomework.A.tillB.beforeC.afterD.until20.Ididn'tbuythedictionaryyesterday________myauntwouldgivemeone.A.untilB.becauseC.ifD.before21.Therunnerfell_______hequicklygotupandwentonrunning.A.orB.andC.butD.down22.Waitformeintheroom_______Icomeback.A.untilB.andC.soD.or23.I'llreturnthebookstothelibrary______soonaspossible.A.asB.soC.justD.but24.Goalongtheroad,_______you'llfindthemarketattheendofit.A.whenB.andC.orD.though25.You'llbelate______youdon'tgetupearlytomorrowmorning.A.ifB.whenC.beforeD.until2