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1、高中英语语法知识词法部分讲解---------连词及练习一、概念连词(conjunction.)是用来连接单词,短语,从句或句子的词。连词是虚词,所以不作成分。二、连词的分类:1.连词按其构成分为:1)简单连词,如:and,or,but,if,becauseect.2)关联连词,如:both…and,notonly…butalsoect.3)分词连词,如:supposing,considering,providedect.4)短语连词,如:asif,aslongas,inorderthatect.2.连词按其性
2、质分为1)并列连词,如:and,or,but,forect.用来连接并列的单词、短语、从句或分句。2)从属连词,如:that,whether,when,although,becauseect.用来连接名词性从句或状语从句。三、连词的用法:并列连词:1.表示并列关系的连词有:and,both…and…,notonly…butalso…,neither…nor…和aswellas等。1)and:和,并且A:基本用法:"and"表示"和","并且"的意思,用来连接对等关系的字和字,片语和片语,句子和句子.eg.①Ie
3、njoybasketball,footballandtabletennis.②Theweatherbecomescolderandcolder.③Hedidn’tgoandshedidn’tgoeither.他没去,她也没去。B:特别用法:祁使句后连接and,有条件句作用,此时and=ifyou…,you'll…eg.Gostraighton,andyou'llseethelibrary.=Ifyougostraighton,youwillseethelibrary.2)both…and…:既…也…,(两者)都
4、…A.BothAandB+谓语(构成的词组作主语时,谓语动词用复数)。eg.①BothJimandKatearefromEngland.②HebothspeaksandwritesSpanish.③Amanshouldhavebothcourageandperseverance.一个人即应有勇气也要有毅力。④BothNewYorkandLondonhavetrafficproblems.纽约和伦敦都存在交通问题。B.both…and…否定句表示部分否定.eg.①Youcan'tspeakbothGermanan
5、dEnglish.②Bothmyfatherandmymotheraren'tdoctors.3)neither…nor…:既不…也不…**NeitherAnorB+谓语(与B相一致,即连接两个并列主语时,谓语动词即采取就近原则。)eg.①NeitherInorhehasseentheplaybefore.②Shecouldn’tspeakthelanguage,norcouldshewriteit.③Shecouldneitherspeakthelangaugenorwriteit.④Hemovedstead
6、ily,lookingneitherleftnorright.⑤Theweatherismildtoday;itisneitherhotnorcold.今天天气很温暖,不冷也不热。4)notonly…butalso…:不但…而且…NotonlyAbutalsoB+谓语(与B相一致,即连接两个主语后的谓语动词也遵循就近原则。)eg.①Notonlythemotherbutalsothechildrenareill.②Itwasnoyonlyunkindbutalsountrue.5)aswellas:也;还有A.
7、基本用法:常可连接两个并列的成分。AaswellasB+谓语(与A相一致)+….。eg.①LilyaswellasBettywasintheroom.②Itisimportantforyouaswellasforme.③Itisimportantforyouaswellasforme.这对你和对我都很重要。B.特殊用法:aswellas+动名词,有时可译为“(不仅)而且”,“除了……还”。eg.①Smokingisdangerous,aswellasmakingyousmellbad.1.②Aswellasbr
8、eakinghisleg,hebrokehisarm.③Shesingsaswellasplayingthepiano.2.表示转折关系的连词有:but,however,yet,still,while等.1)but:conj.而;相反;然而;除……外;只有A.基本用法:连接两个并列成分、并列分句。eg.①NotyoubutIamtoblame.②Theyseethetreesbutno