主谓一致的基本原则主谓一致有以下三条原则:1)语法一致原则,即在语法形式上取得一致。例如,主语是单数形式,谓语动词也采取单数形式;主语是复数形式,谓语动词也采取复数形式。例如:Thestudentsareveryyoung.Thispicturelooksbeautiful.2)意义一致原则,即从意义着眼处理一致关系。例如,主语形式虽是单数但意义是复数,谓语动词也采取复数形式;而有些主语形式虽是复数但意义上看作单数,谓语动词也采取单数形式。1.Thepeopleinthatcountryarefightingforindependence.2.Thecrowddeeplyrespecttheirleader.3.Threeyearsinastrangelandseemsalongtime.3)就近原则,即谓语动词的单数或复数形式取决于最靠近它的词语。例如:NeitherhenorIamgoingtoseethefilmtonightbecausewearebusy.Either..or…2.主谓一致的用法根据以上三条原则,主谓一致有如下用法:1)下列结构作主语,谓语动词一般用单数形式a.表示时间、重量、长度、价值的名词作主语,谓语动词通常用单数形式。例如:1.Twohundredmilesisalongdistance.2.Tendollarsisahighpriceforthatbook.b.由anyone,anything,anybody,noone,nothing,everyone,everybody,everything,someone,somebody,each,either,neither等不定代词作主语,谓语动词使用单数形式。例如:1.Someoneisknockingatthedoor.2.Anythingisbetterthangoingtothemovietonight.c.由“aseriesof,akindof,aportionof+名词”作主语,谓语动词应用单数形式。例如:Aseriesofdebatesisscheduledtobeheldnextweek.d.由“manya,morethanone+单数名词”作主语,尽管意义上表示复数,但谓语动词仍采用单数形式。例如:Manyapersoninthesecircumstanceshashopedforalongbreak.Thereismorethanoneanswertoyourquestion.e.“名词+and+名词”作主语,表示同一人、同一概念或事物时,谓语动词用单数形式。例如:Awriterandeducatorisgivingalecturenow.(这个人既是作家又是教育家)Awriterandaeducatorf.either(neither)+of+复数名词(或代词)作主语,谓语动词用单数形式。例如:1.Ifeitherofyoutakesavacationnow,wewillnotbeabletofinishthework.2.Neitherofthemwantstocome.g.在each…andeach…,every…andevery…等结构之后,谓语动词用单数形式。例如:Eachmanandeachwomanhastherighttovote.h.动词不定式、动名词或分句作主语时,谓语动词一般用单数形式。例如:WhatIwanttosayisnoneofyourbusiness.Listeningtotheclassicalmusicisenjoyable.i.以-ics结尾的复数名词指一门学科时,如politics(政治学),mathematics(数学),statistics(统计学),acoustics(声学),linguistics(语言学)等,谓语动词用单数形式。例如:Mathematicsiswhathemajorsin.2)下列结构作主语,谓语动词单复数形式取决于of后的名词。(意义一致)a.由“a11,none,no,most,half,thelast,therest,theremainder+of+名词”等不定代词作主语,谓语动词单复数形式由of后名词的单复数而定。例如:Noneofthefoodiswasted.Noneofthestudentswereabsent.Therestofthelecturewasdull.Therestofthebikeswereonsaleyesterday.b.由lotsof,heapsof,loadsOf,scadsof+名词”作主语,谓语动词单复数形式由of后名词的单复数而定。例如:Lotsofworkistobedonethisweek.Lotsofpeoplearegoingtoswimthisafternoon.Thereisloadsofmilkonthefarm.Thereareloadsofbigredapplesontheground.Thereisheapsoffun.c.由“分数或百分数十of+名词或代词”作主语,谓语动词的单复数形式取决于of后名词或代词的单复数形式。例如:Three-quartersoftheareaiscultivated.Ninetypercentofthestudentshavepassedtheexam.3)下列结构作主语,谓语动词的单复数形式根据意义而定。a.由“the+形容词”这种结构作主语,根据意义一致的原则决定谓语动词的单复数形式。如果表示一类人(如therich,thepoor,theblind,thedeaf,thesick,theyoung,theold),谓语动词用复数形式;如果表示个人或抽象概念,谓语动词用单数形式。例如:Theblindaretaughttradesinspecialschools.(表示一类人)Thegoodinhimoverweighsthebad.(表示抽象概念)Thedepartedwasagoodfriendofhis.(表示个人)b.family,crowd,committee,class,audience,group,government,team,public,majority,minority等集合名词作主语,谓语动词单复数形式应根据意义而定。例如:Thefamilyliketolistentothemusic.(thefamily指这家人,用作复数)Thefamilyissmall.(thefamily指这个家庭,用作单数)Thecommitteehasconsideredyourproposal.(thecommittee指委员会,用作单数)Thecommitteewerearguingforanhourbeforetheygavetheirvotes.(thecommittee指委员会的委员们,用作复数)下列结构作主语,谓语动词一般单复数均可。a.以数词为名词词组中心词作主语时,谓语动词一般单复数均可。例如:Fiveandsixmake/makeseleven.Seventimestenareseventy.但是:Twentyfromthirtyleavesten.Sixsevensareforty-two.b.由onein/outof+名词”作主语,谓语动词单复数均可。例如:Oneintenwere/waspresent.下列结构作主语,谓语动词用复数形式。由and或both…and连接两个单数形式的名词词组作主语时,一般谓语动词用复数形式。例如:Agirlandaboywanttogo.Bothriceandwheataregrowninthatcountry.6)下列结构作主语,谓语动词单复数形式视具体情况而定。a.由aswellas,togetherwith,besides,like,alongwith,withbut,except,accompaniedby,ratherthan,including连接两个名词作主语,谓语单复数形式应由连接词前的名词而定。例如:Thepresidentofthecollege,togetherwiththedeans,isplanningaconferenceforthepurposeoflayingdowncertainregulations.Theyoungmotherwithhertwochildreniscomingnow.Theplantmanager,likemanytechnicians,isexperiencedindesigningnewproducts.b.“名词+of+名词”作主语,谓语动词单复数形式跟of前的名词一致。例如:Thepictureofthechildren孩子的照片bringsbackmanymemoriesofmypastexperiences.Theeffectsofcigarettesmokinghavebeenprovedtobeextremelyharmful.c.由notonly…butalso,either…or,neither…nor或or连接的并列主语,通常根据就近一致原则,谓语动词的单复数形式由最接近它的名词词组的单复数形式决定。例如:Heoryouhavetakenmypen.Neitherthestudentsnortheteacherknowsanythingaboutit.Oneortwodaysareenoughtovisitthecity.d.therebe句型中的谓语动词单复数形式一般取决于其后的真正主语的单复数形式。例如:Thereisagardeninfrontofthehouse.TherearetwothingsI'dliketosayhere.7)关于几对容易混淆词组的一致用法a.由this/thatkind/typeof+名词”作主语,谓语动词用单数形式;而由these/thosekind/typeof+复数名词”作主语,谓语动词用复数形式。例如:1.Thiskindofapplesishighlypriced.这种2.Thosekind(s)oftestsaregood.那些b.由“anumberof,atotalof,anaverageof+复数名词”作主语,谓语动词用复数形式;由“thenumberof,thetotalof,theaverageof+复数名词”作主语,谓语动词用单数形式。例如:Anumberofstudentsarewaitingforthebus.Thenumberofthestudentsinthisuniversityisincreasingyearly.c.oneof,the(only)oneof的一致用法Thisisoneofthebooksthathavebeenrecommended.Thisisthe(only)oneofthebooksthathasbeenrecommended.3.前后呼应的用法1)当everyone,everybody,noone,nobody,anyone,anybody,someone,somebody,everything,anything,something,nothing等用作主语时,其相应的代词一般用单数形式。例如:Ifanybodycalls,tellhimthatI'mout.Somethingstrangehappened,didn'tit?Everypassengerhastocarryhisownluggage.2)人称代词与名词的呼应:人称代词I(me),he(him),she(her),it(it)都是代替前面的单数名词,而they(them),we(us)则是代替复数名词的,you既可以代表单数,也可以代表复数。但表示泛指的时候,用he或one来表示。例如:Ifayoungpersonentersaclassicalmusicf