句子成分简单句并列句复合句.doc

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1、句子成分、简单句、并列句和复合句一、句子成分（一）句子成分的定义：构成句子的各个部分叫做句子成分。句子成分有主要成分和次要成分；主要成分有主语和谓语；次要成分有表语、宾语、定语、状语、补足语和同位语。（二）主语：主语是一个句子所叙述的主体，一般位于句首。但在therebe结构、疑问句（当主语不疑问词时）和倒装句中，主语位于谓语、助动词或情态动词后面。主语可由名词、代词、数词、不定式、动名词、名词化的形容词和主语从句等表示。例如：Duringthe1990s,Americancountrymusichasbecomemoreandmorepopular.（名词）Weoften

2、speakEnglishinclass.（代词）One-thirdofthestudentsinthisclassaregirls.（数词）Toswimintheriverisagreatpleasure.（不定式）Smokingdoesharmtothehealth.（动名词）Therichshouldhelpthepoor.（名词化的形容词）WhenwearegoingtohaveanEnglishtesthasnotbeendecided.（主语从句）Itisnecessarytomasteraforeignlanguage.（it作形式主语，真正的主语为后面的不定式

3、）例句仿造：____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________

4、________________________________________________________________________________（三）谓语：谓语说明主语所做的动作或具有的特征和状态。动词在句中作谓语，一般放在主语之后。谓语的构成如下：1、简单谓语：由一个动词或动词短语构成。如：Hepracticesrunningeverymorning.2、复合谓语：（1）由情态动词或其他助动词加动词原形构成。如：Youmaykeepthebookfortwoweeks.Hehascaughtabadcold.（2）由系动词加表语构成。如：Wearestud

5、ents.例句仿造：________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________

6、____________________________________________________________________________________（四）表语：表语用以说明主语的身份、特征和状态，它一般位于系动词（如be,become,get,look,grow,turn,seem等）之后。表语一般由名词、代词、形容词、分词、数词、不定式、动名词、介词短语、副词及表语从句表示。例如：OurteacherofEnglishisanAmerican.（名词）Isityours?（代词）Theweatherhasturnedcold.（形容词）Thespeec

7、hisexciting.（分词）Threetimessevenistwentyone?（数词）HisjobistoteachEnglish.（不定式）Hishobby（爱好）isplayingfootball.（动名词）Themachinemustbeoutoforder.（介词短语）Timeisup.Theclassisover.（副词）Thetruthisthathehasneverbeenabroad.（表语从句）例句仿造：___________________________________________