谓语动词用单数的情况1．动名词短语、不定式短语、名词性从句做主语,谓语用单数.如：Buyingclothesisoftenatime-consumingjobbecausethoseclothesthatapersonlikesarerarelytheconesthatfithimorher.(1987年考研题)Tounderstandthesituationcompletelyrequiresmorethoughtthanhasbeengiventhusfar. 　　2．表示时间、距离、金额、重量、面积、体积、容积等度量的名词短语做主语时,谓语用单数.TwoweekswastoolongFivetimesfivemakestwentyfive 　　3．一般用and连接的两个单词或短语做主语时候,谓语用复数,但是下面用and连接的主语表示一个概念,谓语用单数：lawandorder法制soapandwater肥皂水acupandsaucer茶杯碟子forkandknife刀叉theneedleandthread针线trialanderror反复尝试,不断摸索horseandcarriage马车timeandtide岁月breadandbutter奶油面包theebbandflow盛衰,潮涨潮落如：Iflawandordernotpreserved,neitherthecitizennorhispropertyissafe.A.isB.areC.wasd.were答案：A. 　　4．表示学科和某些疾病名称的名词是复数形式,作主语时候谓语动词用单数形式Linguisticsisabranchofstudyonhumanlanguage.5．有些名词形式上是复数,意义上是单数,根据意义一致原则动词用单数ThechaoswasstoppedbythepoliceThenewsisagreatencouragementtousAseriesofdebatesbetweenthelectureswasscheduledforthenextweekend. 　　6．用and连接的成份表示一个单一概念时候,动词谓语用单数形式BreadandbutterisourdailyfoodTimeandtidewaitsfornoman《和3同》 　　二．谓语用复数情况 　　1．由and,both…and,连接的并列主语,和both,afew,many,several等修饰语后面谓语动词通常用复数形式.FewpeopleknowheandIwereclassmateswhenwewereatcollege. 　　2．集体名词police,public,militia,cattle,class,youth后常用复数形式的动词TheChinesepeoplearebraveandhardworkingThecattlearegrazinginthesunshine 　　3．当表示民族的词与冠词合用当主语,谓语动词用复数形式TheJapanesewereonceveryaggressive4．某些形容词前面加定冠词表示一类人,做主语时候,谓语动词用复数Thericharenotalwaysselfish 　　5．不可数名词作主语,其前有表示数量的复数名词修饰时,谓语动词用复数Threemilliontonsofcoalwereexportedthatyear 　　三．谓语动词可用单数,也可以用复数的情况 　　1．就近一致原则这种情况下,谓语动词使用单数还是复数取决于最靠近该动词的主语的单复数,存在这种情况的主要由以下几种可能： 　　1）由连词either…or…;neither…nor…;whether…or…;notonly…but(also);or等连接的并列主语NeithermoneynorfamehasinfluenceonmeNotonlyyou 　　butalsoheiswrong 　　2)在倒装结构中,谓语动词与后面的第一个主语一致Blockingtheopen-sidedporch,framedbytheenvelopingfog,standsatallgrave-facedpoliceman.Justoutsidetheruinsisamagnificentbuildingsurroundedbytalltrees.Althoughagreatnumberofhousesinthatareaarestillinneedofrepair,therehasbeenimprovementinthefacili 　　2．主语带有（together/along）with,suchas,accompaniedby,aswellas,nolessthan,except,besides,with,combinedwith,inadditionto,including,togetherwith等等附加成分,谓语的数不受附加成分的影响仍然与主语保持一致 　　ProfessorTaylor,withsixofhisstudents,isattendingaconferenceinBostonorganizedtocomparecurrentpracticeintheUnitedStateswiththoseofothernations.Thepresidentofthecollege,togetherwiththedeans,isplanningaconferenceforthepurposeoflayingdowncertainregulations.(1981年考研题)3．关系代词做主语的定语从句中,谓语的数要与先行词一致.如：Despitemuchresearch,therearestillcertainelementsinthelifecycleoftheinsectthatarenotfullyunderstood.（1996年考研题）Therearemanyvaluableserviceswhichthepublicarewillingtopayfor,butwhichdonotbringareturninmoneytothecommunity.（1990年考研题） 　　4．一些表示数量的短语与名词连用时候,谓语动词的数取决于名词的数,名词是复数,谓语动词用复数,反之就用单数.这些短语包括：alotof/lotsof;plentyof/heapsof;halfof;two-third(three-fourth…)of;eighty(ten,twenty…)percent;partof;restofnoneof等等Two-thirdsofpeoplepresentarewomenLotsofdamagewascausedbythefire5．集体名词作主语时,谓语动词的