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“一致”是指句子成分之间或词语之间在性、数等方面应保持一致。“主谓一致”是指谓语动词与主语必须在人称、性、数上保持一致，即主语是复数，谓语也用复数形式，如are,were,have等，主语是单数，谓语要用单数形式，如：is,was,has,works等。1.由and连接的并列成分指的是同一概念，一个人的双重身份或匹配出现的事物时谓语动词为单数，由and连接的两个并列成分表示两个不同的概念时，谓语动词用复数。TheworkerandwriterisfromBeijing.(那个工人兼作家…)TheworkerandthewriterarefromBeijing.(那位工人和那位作家)BreadandbutterisadailyfoodintheWest.BothCathyandherdaughterLindahavegonefishinginCanada.常见的由and连接的指一个概念的有：theneedleandthread针线saltandwater盐和水thefolkandknife刀叉ironandsteel钢铁timeandtide岁月2.everyoneofoneofeachofeitherofneitherof+复数名词作主语，谓语用单数。Eachofthestudentshasabook.Eachofthegirlslikesdancing.Oneofthemhasbeenabroad.NeitherofthetwoboysisgoodatEnglish.oneof＋复数名词＋定语从句结构如果one前面没有限定词，这个句型中的“复数名词”是先行词，定语从句的谓语动词用复数；如果one前面有theonly,thefirst,thelast,theright等限定词修饰，则one是先行词，定语从句的谓语动词用单数。Johnistheonlyoneofthestudentswhohasthekeys.Johnisoneofthestudentswhohavethekeys.3.morethanone,manya+单数名词作主语，意义上是复数，谓语动词常用单数。(形单意复)Morethanonestudenthastried.Manyastudentandteacheriswatchingthefootballmatch.Manyamanhasdiedinthewar.4.each/every/no/manya+单数名词andeach/every/no/manya+单数名词作主语，谓语动词用单数。1.Eachbookandeachpaperisfoundinitsplace.2.Everyboyandeverygirlhastherighttoreceiveeducation.3.Manyaboyandmanyagirlhasseenthesepainting.4.Everyhourandminuteisimportant.第二个each,every,no,manya可以省略。5.a+单数名词+andahalf,a+单数名词+ortwo作主语时，谓语动词用单数。1.Ayearandahalfhaspassed.2.Adayortwoisenough.oneortwo+复数名词,oneandahalf+复数名词作主语，谓语用复数。1.Oneortwoboysknowit.2.OneandahalfmonthshavepassedsinceIsawhim.3.AmonthandahalfhaspassedsinceIsawhim.noneof...结构作主语指代不可数名词作主语，谓语用单数；指代复数名词作主语，强调全体，谓语用复数更好一些；着重个别，则用单数较好。Noneofthemoneyisyours.Noneofushave／haseverbeenabroad.6.all,none,some,any等不定代词作主语，根据其指代的内容而定。Allarepresent.Allthefoodtastesgood.7.“anumberof＋复数名词”作主语，谓语用复数;“许多”“thenumberof＋复数名词”作主语，谓语用单数。“…的数量”①Thenumberoftrafficaccidentshasincreased.②Anumberofchildrenlikethissong.①thequantityof+复数名词或不可数名词，谓语用单数。②aquantityof+复数名词,谓语用复数。aquantityof+不可数名词,谓语用单数.③quantitiesof+复数名词或不可数名词，谓语用复数。①Quantitiesofteaweresoldlastmonth.②Alargequantityofbeerwassoldout.③Thequantityofbooksinthelibraryisamazing.8.Quantity/iesof+名词复数/不可数名词9.population做主语指人口,谓语用单数；指人的行为、居民等，谓语常用复数；分数/百分数+ofthepopulation做主语，谓语用复数。Thepopulationofthevillageis538.Onethirdofthepopulationhereareworkers.10.theOlympicGames,theAsianGames做主语，谓语用复数。TheOlympicGamesareheldeveryfouryears.halfmostenoughparttherestthelastlotssomeplenty分数百分数+of+名词作主语谓语动词要和of之后的名词保持一致。11.1.Two-thirdsofthepeoplepresentareagainsttheplan.2.Three-fourthsofthesurfaceoftheearthiscoveredbysea.3.Overtwentypercentofthecitywasdestroyedinthewar.4.Forty-fivepercentofthedoctorswerewomen.5.Only40percentofthestudentsintheclassareboys.12.集体名词class,family,army,team,club,population,enemy,party,crowd,majority,crew,audience,government,public,group,committee等作主语。强调整体用单数，指个体成员用复数。①HisfamilyisinHarbin.②Hisfamilyaremusiclovers.③Thecommitteewasmadeupof10members.④Thecommitteewereinthehall.Thisclassconsistsof45students.Mr.Greenteachesit．Thisclassarealldiligent.Mr.Greenteachesthem.Theteamisthebestintheleague．这个队在联赛中打得最好。Thefootballteamarehavingbaths．足球队队员们在洗澡。1．Hisfamily_______asmallone．2．Hisfamily_______fatandshort．A.is,isB.are,areC.is,areD.are,is此题应选C。family是一个集合名词，具有单数(侧重指整体)和复数(侧重指个体)两种可能。但是并不是所有的集合名词都具有以上两种用法：1.有的集合名词总是用作单数(不可数)：clothing衣服，poetry诗歌，baggage／luggage行李，furniture家俱，scenery景色等。2.有的集合名词总是表示复数意义(但不用复数形式)：people人，police警察，cattle牲口等。3.goods,clothes,glasses,shoes,scissors及trousers,chopsticks,compasses等以复数形式出现的名词作主语，谓语用复数；4.news,politics,maths,physics,plastics等形式为复数而意义为单数的名词作主语，谓语用单数。ThegoodsbelongtoMr.Wang.Nonewsisgoodnews.Mytrousersarenew.13.“the＋adj./v-ed/v-ing”作主语the+dying,young,old,blind,rich,sick,wounded,poor及dead等词，相当于复数名词，代表整个类别，故作主语时谓语用复数。①TheoldinChinaarelivingahappylife.②Thewoundedhavebeensaved.③Thesickhavebeencuredandthelosthavebeenfound.14.表示时间、距离、钱额、重量、空间、体积等意义的复数名词作主语，谓语动词常用单数。1.Eighthoursofsleepisenough.2.Ahundredmilesisalongdistance.3.Tenpoundswasmissingfrommypocket.4.Twentyyearshaspassedsincehelefthishometown.15.动名词、不定式、从句做主语1).单个动名词或不定式作主语，谓语用单数。①Makingspeechesisnotherstrongpoint.②Growingflowersneedsconstantwatering.2).由and连接的两个(或多个)动名词或不定式作主语如果并列的动名词或不定式语义相同或相似，谓语用单数；如果语义不一致，则谓语用复数。①Lyingandstealingarenotright.②Toloveandtobelovedissweettome.③Weepingandwailingdoesnothingtowardssolvingtheproblem.3).由that,where,when,whether,how等词引导的名词性从句作主语，主句的谓语常用单数形式。Howtheycanfinishtheirworkisstillunknown.Wherewewillgohasnotbeendecided.①Whenandwheretoholdthemeeting_____notdecided.②Whentoholdthemeetingandwheretohavelunch_____notdecided.isare4.)由what引导的名词性从句作主语，谓语一般用单数(表语是复数时也可用复数)；如果what从句是带有复数意义的并列结构，主句的谓语用复数。Whattheyareafterismoney.Whatwewantare／ispromises.Whathesaysand(whathe)doesdonotagree.16.由…or…,either…or,neither…nor,notonly…butalso…,not…but…等连接的并列主语，谓语动词常和靠近的作主语的名词在单复数上保持一致——就近原则。①NotonlyhebutalsoIaminvited.②Iorhisbrothersweretoblame.③NeitherInorheistoattendthemeeting.④Notonlythestudentsbutalsotheirteacherisenjoyingthefilm.NotonlyIbutJaneandMary_____tiredofhavingoneexaminationafteranother.(89’)A.isB.areC.amD.be析:由“or,either…or,neither…nor,not…but,notonly…butalso”连接两个并列主