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组成句子的各个组成部分叫句子成分：1.主语:是一个句子的主干部分之一,主语表明是“什么人”，“什么事”.通常由名词,代词,动词不定式,动名词来充当.1.Lucylikeshernewbike.2.Weworkhard.3.Tolearnaforeignlanguageisnoteasy.4.Playingfootballafterschoolisgreatfun.主谓宾定状补表2.谓语:说明主语做什么或怎么样。通常由动词充当.动词常分为实义动词,连系动词,情态动词和助动词.1.theyworkveryhard.2.Tomfeelsmuchbetternow.(系动词:表示状态,后面往往接形容词seem,get,is,am,are,turn,sound,smell,look,become)△情态动词和助动词不能单独充当谓语,必须和实义动词或系动词一起构成谓语.TheycanspeakEnglishwell.Theyareplayingoverthere.3.表语：跟在连系动词后面的词语或从句,用来说明主语的身份,特征,状态.Mysisterisanurse.Thetreesturngreen.Theflowerisbeautiful.Toseeistobelieve.4.宾语：动作行为的对象，说明主语做什么。一般放在及物动词或介词后面.由名词,代词,数词,动词不定式,动名词和宾语从句构成.1.WestudyEnglish.2.Isawhimyesterday.3.Hewantedtohaveapen.4.Shelikesplayingbasketball.5.Ourteachersaidthathewouldgothere.△双宾语：指人的是间接宾语，指物的是直接宾语。Hegavemetwobooks.5.定语:用来修饰名词或代词的词.形容词,形容词性物主代词,名词,不定式,介词短语,不定代词等.Thisisaredcar.Thebuildingistheirteachingbuilding.Thewomandoctorismywife.Ihavesomethingtotellyou.ThemaninfrontofthegateisMr.Li.EverystudenthasanEnglishbook.6.状语:说明动作或状态特征修饰用来修饰动词,形容词,副词或整个句子.副词,介词短语,动词不定式,以及after,when,assoonas,until,if,before等引起的从句.Youarequiteright.Theyoftendrawinthepark.WecamehereinordertolearnEnglish.Ifitrainstomorrow,wewillstayathome.7.宾补：补充说明宾语。(宾语和宾补之间有逻辑上的主谓关系）宾语+宾补叫复合宾语，复合宾语有以下几种类型：1名词（代词）+不定式2名词（代词）+分词3名词（代词）+名词4名词（代词）+形容词1名词（代词）+不定式Johnaskedmetohelphim.Lethimgohome.Isawhercomeoutoftheroom.名词（代词）+分词（现在分词表示主动，过去分词表示被动）Ifoundhimstandingatthegate.Shecouldfeelherheartbeatingviolently.Hespokeslowlyinordertomakehimselfunderstood.Hespokeloudlyinordertomakehimselfheard.名词（代词）+名词（作宾补的表示独一无二的职位前不加the.)TheyappointedherheadoftheEnglishDepartment.Theymadehimcaptainoftheship.名词（代词）+形容词Wemustkeeptheroomclean.Wefoundherbusy.Ifoundthestoryinteresting.•主语＋不及物动词（S+Vi）•主语＋及物动词＋宾语(S+Vt+O)•主语＋系动词＋表(S+LV+predicative)•主语＋双宾动词+间宾+直宾(S+Vt+O.indir+O.dir)•主语＋宾补动词＋宾语＋宾语补语•(S+Vt.+O+O.compl)•There+be/stand/lie/live...简单句的五种基本句型主语、动词（不及物动词、及物动词、双宾动词、系动词、宾补动词)、宾语及补语可以称为基本句子成分。完整的句子一般至少包含2个基本成分，至多4个基本成分。简单句的五种基本句型1主语+谓语（不及物动词）（S+Vi型）Hecame.Shedances.2主语+谓语(及物动词)+宾语(S+Vt+O)Isawher.TheylikewatchingTV.3主语+谓语+间接宾语+直接宾语(S+Vt+IO+DO)(IOindirect)Igaveherabook.Sheshowedherfriendsallthepictures.4主语+连系动词+表语(S+V+P)Iamastudent.Shelooksveryyoung.5主语+谓语+宾语+宾补(S+Vt+O+OC)IaskedMarytohelpme.Wecallourheadmasterawiseman.nounadj./adv.infinitiveV-ingV-edetc.主语谓语宾语宾语宾补表语宾语(间)宾语(直)VtV-lViNoun/PronounThe+adjV-ing/ClauseInfinitiveNoun/Pronoun/The+adjV-ing/Clause/Infinitivebe/feel/seem/lookappear/lie(有)become/get/grow/turngo/come/remain/keeptaste/smelletc.nounpronounadj./adv.infinitiveV-ing/V-edclauseetc.主语＋不及物动词Shecame．/Myheadaches.主语＋及物动词＋宾语ShelikesEnglish.主语＋系动词＋主语补语Sheishappy．主语＋双宾动词＋间接宾语＋直接宾语ShegaveJohnabook．Sheboughtabookforme.主语＋宾补动词＋宾语＋宾语补语Shemakeshermotherangry．Theteacheraskedmetoreadthepassage.There+beThereliesabookonthedesk.简单句基本句型实例