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三）意义一致原则1,表示时间，价格，重量，数目，长度，数学运算等的词或短语作主语时，这些通常作一个整体概念，谓语用单数形式。1).Twomonthsisalongholiday.2).Twentypoundsisn’tsoheavy.3).Tenmilesisn’talongdistance.4).Fiveminusfourisone..1).Tenthousanddollars_____quitealargesum.A.areB.isC.wereD.have2).—Twomonths______quitealongtime.—Yes,I’mafraidthathewillmisslotsofhislessons.A.isB.areC.wasD.were2.由and连接的两个单数名词作主语时，一般用复数形式，但and所连接的并列主语是同一个人，同一事物，或同一概念时，谓语动词用单数。1).Thewriterandteacheriscoming.2).Thewriterandtheteacherarecoming1）Boththesecretaryandthemanager________agreedtoattendthemeeting.A.hasB.haveC.areD.is2）Thesecretaryandmanager________verybusynow.A.isB.areC.hasbeenD.were3.Thesingerandthedancer______cometothemeeting.A.hasB.haveC.areD.is3.以s结尾的名词本身不表示复数意义，谓语通常用单数形式，如news,maths,physics,means,等1).Nonewsisgoodnews.2).Mathsisverypopularinourclass1).Allmeans____beenused.A.hasB.wasC.haveD.be2).Physics______moreinterestingthanMaths,Ithink.A.areB.isC.wasD.were4．the+形容词或分词作主语时，如指一类人。表示抽象概念，其谓语用单数。如：Thericharenotalwayshappy.Thebeautifullivesforever.Thelivingarealwaysfortune.1).Theold____welllookedafterbythegovernmentinChina.A.isB.areC.hasbeenD.was2).Thewounded(伤员)_______bythehospital.A.hastakeninB.hasbeentakeninC.havetakeninD.havebeentakenin5.主语是family,team,police,crowd,class,等集合名词时，如果作为一个整体看待，谓语用单数形式，如指的是全体人员时，谓语用复数。1).Hisfamilyareallmusiclovers.2)Nowthepolice____searchingthetownforthelostchild.A.wasB.wereC.isD.are3)Thepolice____theblackinwinter.A.wearsB.wearC.putonD.putson4).Theclass_____listeningcarefully.5).Hesaidthathisfamily____allverywell.A.areB.wereC.isD.was6)Zhang’sfamily____ratherbig,withtwelvepeopleinall.A.isB.areC.beingD.was6．half,part,therest,all,mostof修饰的名词，等既可表示复数意义又可表示单数意义，其谓语视情况而定。1）.HalfofthevisitorsarefromEurope.2）.HalfofthefruitisbadTherestofhisjourneywaspleasant.Therestofthegirlsarefondofmusic.Allofyourworkiswelldone.Allofyouranswersarecorrect.1)Mostofhissparetime_____spentinreading.A.areB.wereC.wasD.havebeen3)Twoofthemwillgofirst,therest______tostay.A.isB.areC.usedD.has4).Thereare20pensonthedesk,partofthem___broken.A.isB.areC.getD.got7．“……的几分之几”和“……的百分之几”作主语时，其谓语用单数或复数取决于of后的名词。Threefourthsofthesurfaceoftheearthissea.40percentofthestudentsinourclassaregirls.70percentofthelandiscoveredwithwater.70percentofthefarmershaveimprovedtheirlivingconditions.1)Onethirdofthepopulationhere________workers.A.isB.haveC.beD.are2)About20percentofthework________doneyesterday.A.areB.isC.wereD.was8，疑问代词作主语时，其谓语动词也有两种情况：主语表示复数意义，谓语动词用复数；主语表示单数意义，则谓语动词用单数。例如：Whatiswater?WhoareEnglishmembers?1).Howbeautifulthegirl____2).Whatmakesmehappy__theofferfromHarvard?10.All作主语时，指人时，谓语动词用复数，指事情或者抽象概念时，谓语动词用单数1).Allisgoingonverywell.2).Allareatwoktoday.1).“All___presentandall__goingonwell”ourmonitorsaid.A.areareB.areisC.is,isDis,are2).____canbedone_____beendone.A.All；haveB.Allthat；haveC.All；hasD.Allthat；has特殊知识点1，成对的名词，如breadandbutter涂黄油的面包，sodaandwater汽水，coffeeandmilk加牛奶的咖啡，等等，虽然有and连接，但仍表单一概念，作主语时，谓语用单数Aknifeandforkisonthetable.1).Thebreadandbutter___badA.goB.goesC.turnsD.ge2.Whenandwheretobuildthenewfactory____yet.A.isnotdecidedB.arenotdecidedC.hasnotdecidedD.havenotdecided3）.Goingtobedearlyandgettingupearly_______agoodhabit.A.isB.areC.wereD.was2，主语是a/this/thatkindof+名词，谓语用单数形式，主语指的不是一种而是多种，谓语动词用复数。Thiskindofclothfeelssoft.Therearedifferentkindsofanimals.3.anumberof+名词复数，表示“大量的”，动词要用复数形式;.而thenumberof+复数名词作主语，表示“…的数目”谓语动词用单数。1）.Thenumberofthestudentsisovereighthundred.2).Anumberofpeoplearecrowdingattheschoolgatenow.1.Anumberofstudents_____fromthesouth.A.areB.isC.haveD.has2.ThenumberofcitizensinHefei____small.A.areB.isC.haveD.has3).Thenumberofpeopleinvited_____fifty，butanumberofthem_____absentfordifferentreasons.A.were；wasB.was；was