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1英语句子成分（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）WeoftenspeakEnglishinclass.（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）（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：Wearestudents.（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）Thespeechisexciting.（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）（五）宾语：宾语表示动作的对象或承爱者，一般位于及物动词和介词后面。例如：Theywenttoseeanexhibition（展览）yesterday.（名词）Theheavyrainpreventedmeformcomingtoschoolontime.（代词）Howmanydictionariesdoyouhave?Ihavefive.（数词）Theyhelpedtheoldwiththeirhouseworkyesterday.（名词化形容词）Hepretendednottoseeme.（不定式短语）Ienjoylisteningtopopularmusic.（动名词短语）Ithink（that）heisfitforhisoffice.（宾语从句）宾语种类：（1）双宾语（间接宾语+直接宾语），例如：Lendmeyourdictionary,please.（2）复合宾语（宾语+宾补），例如：Theyelectedhimtheirmonitor.2（六）宾语补足语：英语中有些及物动词，除有一个直接宾语以外，还要有一个宾语补语，才能使句子的意义完整。带有宾语补足语的一般句型为：某些及物动词（如make等+宾语+宾补）。宾补可由名词、形容词、副词、不定式、分词、介词短语和从句充当。例如：HisfathernamedhimDongming.（名词）Theypaintedtheirboatwhite.（形容词）Letthefreshairin.（副词）Youmustn’tforcehimtolendhismoneytoyou.（不定式短语）Wesawherenteringtheroom.（现在分词）Wefoundeverythinginthelabingoodorder.（介词短语）Wewillsoonmakeourcitywhatyourcityisnow.（从句）（七）定语：修饰名词或代词的词、短语或从句称为定语。定语可由以下等成分表示：Guilinisabeautifulcity.（形容词）Chinaisadevelopingcountry;Americaisadevelopedcountry.（分词）Therearethirtywomenteachersisourschool.（名词）HisrapidprogressinEnglishmadeussurprised.（代词）Ourmonitorisalwaysthefirsttoentertheclassroom.（不定式短语）Theteachingplanfornexttermhasbeenworkedout.（动名词）HeisreadinganarticleabouthowtolearnEnglish.（介词短语）（八）状语：修饰动词、形容词、副词或整个句子，说明动作或状态特征的句子成分，叫做状语。可由以下形式表示：Lighttravelsmostquickly.（副词及副词性词组）Hehaslivedinthecityfortenyears.（介词短语）Heisproudtohavepassedthenationalcollegeentranceexamination.（不定式短语）Heisintheroommakingamodelplane.（分词短语）Waitaminute.（名词）Onceyoubegin,youmustcontinue.（状语从句）状语种类如下：Howaboutmeetingagainatsix?（时间状语）Lastnightshedidn’tgotothedancepartybecauseoftherain.（原因状语）Ishallgothereifitdoesn’train.（条件状语）MrSmithlivesonthethirdfloor.（地点状语）Sheputtheeggsintothebasketwithgreatcare.（方式状语）Shecameinwithadictionaryinherhand.（伴随状语）Inordertocatchupwiththeothers,Imustworkharder.（目的状语）Hewassotiredthathefellasleepimmediately.（结果状语）Sheworksveryhardthoughsheisold.（让步状语）Iamtallerthanheis.（比较状语）英语句子结构英语句子看上去纷繁庞杂，但仔细观察不外乎五个基本句式。这五个基本句式可以演变出多种复杂的英语句子。换言之，绝大多数英语句子都是由这五个基本句式生成的。这五个基本句式如下：3S十V主谓结构S十V十F主系表结构S十V十O主谓宾结构S十V十O1十O2主谓双宾结构S十V十O十C主谓宾补结构说明：S＝主语；V＝谓语；P＝表语；O＝宾语；O1＝间接宾语；O2＝直接宾语；C＝宾语补足语五个基本句式详细解释如下：1．S十V句式在此句式中，V是不及物动词，又叫自动词(vi．)。例如：Herunsquickly．他跑得快。Theylistenedcarefully．他们听得很仔细。Hesufferedfromcoldandhunger．他挨冻受饿。Chinabelongstothethirdworldcountry．中国属于第三世界国家。Thegashasgivenout．煤气用完了。Myinkhasrunout．我的钢笔水用完了。2．S十V十P句式在此句式中，V是系动词(linkv．)，常见的系动词有：look，seem，appear，sound，feel，taste，smell，grow，get，fallill/asleep，stand/sitstill，become，turn等。例如：Heisolderthanhelooks．他比看上去要老。Heseeninterestedinthebook．他似乎对这本书感兴趣。Thestorysoundsinteresting．这个故事听起来有趣。Thedeskfeelshard．书桌摸起来很硬。Thecaketastesnice．饼尝起来很香。Theflowerssmellsweetandnicc．花闻起来香甜。Youhavegrowntallerthanbefore．你长得比以前高了。Hehassuddenlyfallenill．他突然病倒了。Hestoodquitestill．他静静地站看。Hebecomesateacherwhenhegrewup．他长大后当了教师。注意：有些动词同时也是及物动词，可构成SVO句式，例如：Helookedmeupanddown．他上下打量我。Hereachedhishandtofeeltheelephant．他伸出手来摸象。Theyaretastingthefish．他们在品尝鱼。Theygrowriceintheirhometown．他们在家乡种水稻。He'sgotachairtositon．他有椅子坐。PleaseturnthesentenceintoEnglish．请把这个句于泽成英语。3．S十V十O句式在此句式中，V是及物动词(vt．)，因此有宾语。例如：Isawafilmyesterday．我昨天看了一部电影。Haveyoureadthestory?你读过这个故事吗?Theyfoundtheirhomeeasily．他们很容易找到他们的家。Theybuiltahouselastyear．他们去年建了一所房子。They'veputupafactoryinthevillage．他们在村里建了一座工厂。4Theyhavetakengoodcareofthechildren．这些孩子他们照看得很好。Youshouldlookafteryourchildrenwell．你应该好好照看你的孩子。4．S十V十O1十O2句式在此句式中，V是带有双宾语的及物动词。常见的须带双宾语的动词有give，ask，bring，offer，send，pay，lend，show，tell，buy，get；rob，warn等。例如：Hegavemeabook/abooktome．他给我一本书。Hebroughtmeapen/apentome．他带给我一枝钢笔。Heofferedmehisseat/hisseattome．他把座位让给我。注意下边动词改写后介词的变化：Motherboughtmeabook/abookforme.妈妈给我买了一本书。Hegotmeachair/achairforme．他给我弄了一把椅子。Pleasedomeafavor/afavorforme．请帮我一下。Heaskedmeaquestion/aquestionofme．他问我个问题。注意，下边动词只有一种说法：Theyrobbedtheoldmanofhismoney．他们抢了老人的钱。He'swarnedmeofthedanger.他警告我注意危险。Thedoctorhascuredhimofhisdisease．医生治好了他的病。Wemustridthehouseoftherats．我们必须赶走屋里的老鼠。T