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1、连词讲解及练习知识概要用来连接词、短语、从句或句子的词叫连词。连词是一种虚词,在句中不能单独使用。连词可分为两类:并列连词和从属连词。连词一览表作用主要连词并列连词表并列关系and,both…and,notonly…butalso,neither…nor等表选择关系or,either…or等表转折关系but,however,while(而),only(只不过)等表因果关系for,so,therefore(因此),then(那么)等从属连词引导时间状语从句after,before,when,while,as,until,till,since,assoonas,hardly…when等。引导条件状
2、语从句if,unless,incase,aslongas等引导原因状语从句because,as,since,for,inthat等引导目的状语从句sothat,inorderthat,incase等引导让步状语从句though,although,evenif,as,while,nomatterhow/when,whoever等引导结果状语从句sothat,so/such…that等引导比较状语从句than,as…as,themore…themore等引导方式状语从句as,asif/though等引导地点方式状语where,wherever尝试判断下列属于哪种从句:NosoonerhadIarr
3、ivedhomethanitbegantorain.(一…就…)Asthedayswentby,sheknewmoreaboutherclassmates.(随着…)Whereveryougo,youshouldworkhard.Hisfriendsdislikehimbecausehe’sstingy(小气)andlazy.Heworksveryhardsothathecanearnmoremoney.时间状语时间状语地点状语原因状语目的状语Ididjustasyoutoldme.We’llstartourprojectifthepresidentagrees.Nomatterhowhard
4、hetried,shecouldnotchangehermind.Herhandwritingismorebeautifulthananybodyelse’sinherclass.It’ssuchagoodchancethatwemustnotmissit.方式状语条件状语让步状语比较状语结果状语1.常用并列连词的用法1)and连接语法作用相同的部分.如:LetmeknowwhatyousawandheardinEurope.如果连接的两个名词是指同一个人而有两种身份时,第二个名词前不要加冠词或所有格.如:Herhusbandisasingerandsongwriter.2)祈使句+and代替
5、条件句.如:Workhardandyouwillpasstheexamination.由and连接两个主语时谓语动词要用复数形式。如:YouandIarefromChina.但是and前面的主语之前有every,each,no,manya的时候用单数谓语动词.如:Everytrainandbuswascrowdedwithmanypeople.2)both+主语+and+主语+“复数谓语动词”。BothTomandJerryaregoingtothecinema.3)notonly…butalso如果连接两个主语,谓语动词就近原则.如:Notonlyhebutalsohisparentsare
6、verykindtome.4)aswellas后面的主语不作为成分.如:Thisstudy,aswellasmanyotherreports,showsthatcancercanbecured.后面如果接动词一定要用动名词.如:Shesingsaswellasplayingthepiano.5)nor是否定连接词,后面接的句子应倒装.如:Idon'tknow,nordoIcare.6)but用来表示转折,如:Hetriedhardbuthewasunsuccessful.还可以用在noone,none,nobody,nothing,all,every等词之后表示”除了…以外”。如:Allthe
7、boysbutonearehere.7)however,still,yet,含意相同相当于”but…anyway”.如:Thecarwasold,yetitwasinexcellentcondition.Shehasherweaknesses,yet(but)thatdoesn'tmeansheisnotgoodforthejob.Heliedtome,Istillbelievehim.8)wh