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主谓一致是谓语和主语在人称和数上保持一致。主谓一致一般遵循三条原则：语法一致原则，意义一致原则和就近一致原则。一、语法一致的原则1.以单数名词或代词，动词不定式短语作主语时，谓语动词要用单数;主语为复数时，谓语用复数，例如：【典型例题】Mikeadriver.Hedrivesataxiaroundthecityeveryday.A.beB.amC.isD.are2.由and或both……and连接的并列成分作主语时，谓语动词用复数。例如：【典型例题】TomandImiddleschoolstudents.A.isB.amC.areD.was注：但并列主语如果指的是同一人，同一事物或同一概念，谓语动词用单数。例如：3.由and连接的并列单数主语之前如果分别由each,every修饰时，其谓语动词要用单数形式。例如：4.主语是单数时，尽管后面跟有but,except,besides,with等介词短语，谓语动词仍用单数。例如：5.一些只有复数形式的名词，如people,police,cattle,clothes等作主语时，谓语动词要用复数。例如：6.由each,some,any,no,every构成的复合代词作主语时，谓语动词都用单数。例如：7.由两部分构成的物体的名词，如glasses,shoes,trousers,chopsticks,scissors等作主语时，谓语动词用复数。例如：Wherearemyshoes?Ican’tfind.我的鞋在哪？我找不到。如果这类名词前用了apairof等，则往往用作单数，谓语动词的单复数形式往往取决于pair的单复数形式。例如：注意：anumberofthenumberof【典型例题】Look!There_______playingwiththetouristsonYinheSquare.A.areanumberofdeerB.areanumberofdeersC.isanumberofdeerD.isanumberofdeers二、意义一致的原则意义一致的原则指主语形式上为单数，但意义上为复数，因此谓语动词用复数形式；或主语形式上为复数，但表示单数意义，这时谓语动词用单数形式。主语原则谓语动词表时间、距离、价格、度量衡等的名词作主语时通常用单数。Twentyyearsisnotalongtime.有些集合名词，如family，team等作主语时作为一个整体看待用单数。Myfamilyisabigone.指其中每个成员用复数。MyfamilyarewatchingTV.由不定代词all，most，more，some，any，none作主语时代词代表单数可数名词或不可数名词。用单数。Alloftheworkhasbeenfinished.代词代表复数可数名词。用复数。Allofthepeoplehavegone.疑问代词作主语时主语表示单数意义。用单数。Whoisyourbrother？主语表示复数意义。用复数。WhoareLeaguemembers？half，therest等表示不定数量的名词作主语时主语表示单数意义。用单数。Ihavereadalargepartofthebook，therestismoredifficult.主语表示复数意义。用复数。Onlytenstudentsattendedtheclassbecausealltherestwereoffsick.以“定冠词+形容词（或分词）”作主语时指的是一个人或抽象概念。用单数。Thedeadisafamousperson.指的是一类人。用复数。Thepoorareveryhappy,butthericharesad.【典型例题】Howtimeflies!Tenyears________passed.A.haveB.hasC.isD.are三、就近一致的原则就近一致的原则是指谓语动词用单数形式还是复数形式，取决于最靠近它的主语。主语谓语例句由连词or，either…or，neither…nor，notonly…butalso等连接的并列主语与最靠近它的主语一致EitheryouorIamright.Neitherthechildrennortheteacherknowsanythingaboutit.在“Therebe”句型中Therearetwoapplesandoneegginit.Thereisoneeggandtwoapplesinit.以here开头的句子中Hereisaletterandsomebooksforyou.【典型例题】Neithermyfather_____goingtoseethepatient.A.norIamB.norIareC.ormeareD.ormeis【典型例题】Notonlyhisparentsbutalsohisbrother________totheSummerPalace.Theyhaven’tbeenback.A.havebeenB.havegoneC.hasbeenD.hasgone【专题训练】第一组：1.Jennyanurse.Sheworksinahospital.A.beB.amC.isD.are2.—Haveyougotsomewatertodrink?—Hereyouare.Therestillsomeinthebottle.A.areB.wereC.isD.was3.—Howmanychildreninthepicture?—Three.A.hasthereB.isthereC.havethereD.arethere4.In1850,aboutathirdofU.S.Acoveredbyforests.A.wereB.hasbeenC./D.was5.Mostofourearthcoveredbywater.A.areB.isC.wasD.were6.Sundaythefirstdayoftheweek.A.isB.areC.amD.be7.Thepopulationoftheworldstillnow.A.has;grownB.will;growC.is;growingD.isgrown8.Theremanypeoplerunningintheparkeverymorning.A.isB.wereC.areD.have9.Thesepoliceoften_thechildrenacrossthestreet.A.helpB.helpsC.helpingD.ishelping10.Thewholefamilyenjoyingthebeautifulmusicnow.A.isallB.allisC.allareD.areall11.Eitheryouorheright.A.areB.isC.doesD.were12.NeitherMarynorherbrothergoodatsinging.A.isB.areC.isnotD.arenot13.NotonlyTombutalsoAliceandMarybusy.A.isB.wasC.areD.has14.Thenews____exciting.Wegotexcitedatit.A.isB.wasC.wereD.are15.Thoughmathematicshard,weallworkatithard.A.areB.wereC.wasD.is16—Canyoumakeitcheaper？—Tendollarstoodear.A.areB.isC.beD.am17.Therealotoforangejuiceinthebottle.Wouldyoulikesome?A.isB.areC.amD.be18.Eachoftheteachersacomputeratschool.A.haveB.isC.areD.has19.EverystudentexceptLucyandLilyherewhenwegothereyesterday.A.wasB.isC.areD.were20.Theresomepeopletakingawalkinthepark.A.beB.areC.isD.being21.Itfourkilometersawayfrommyhometoschool.A.amB.beC.isD.are22.—Whichwouldyoulike,teaorcoffee?—EitherOK.ButIprefercoffeemilk.A.is;hasB.are;withC.is;withD.are;has