不可数名词Airandwater_____importanttous.谓语应该用is还是are?
不可数名词
Airandwater_____importanttous.
谓语应该用is还是are?
不可数名词Airandwater_____importanttous.谓语应该用is还是are?
不可数名词
Airandwater_____importanttous.
谓语应该用is还是are?
are
这里涉及到主谓一致.以下是我以前的一点记录:
并列结构作主语时与谓语的一致关系
1.由and连接两个n.或pron.作S.时,AandB
1)A,B表不同的人、物或观念时,谓语v.用复数.TomandAnnaregoodstudents./BothTomandAnnarehere.(bothAandB作S.时,谓语v.用复数)
2)A,B表同一个人、物或观念时,谓语v.用单数.Ajournalistandauthorlivesinthecourtyard.(一个记者兼作家的人住在这个院子)
3)A,B之前有each,every,manya,no…等修饰语,谓语v.用单数
Eacymanandwomanisinvited./Noboyandnogirlistherenow./Manyaboyandmanyagirlhasbeeninvited.
4)A,B为两个不可分的东西时,谓语v.用单数.Awatchandchainwasfoundonthedesk.(一只挂表在桌上找到)/Breadandbutterisnutritious.(奶油面包有营养)
2.由or,notnoly…but(also)…,either…or,neither…nor连接S.时,谓语v.用就近原则
EitheruorIammad./Neitherunorheisright./Notonlyhebutalsohisfamilywerefriendlytome.
3.当S.后有with,alongwith,togetherwith,besides,except,like,including,aswellas,ratherthan等词时,谓语v.不受词组影响,仅和第一个S.一致
Allbutonewereherejustnow.(除了一个之外,所有人都在这儿)/Aliberarywithfivethousandbooksisofferedtothenationasagift./Heaswellastheothersisgoingtothepark./Thefather,ratherthanthebrothers,isresponsible.(父亲和哥哥是负责任的)/Hetogetherwithhisbrothersisabouttohelpus.
单一主语的情况
1.以复数形式结尾的n.作S.时和谓语的一致关系
1)有些表示学科名称的词如:physics,maths,economics,news,means,works(工厂)等被认为是形复意单的词,作S.时谓语v.用单数.Everymeanshasbeentried.
上述n.如表示复数概念时,谓语v.用复数.Allpossiblemeanshavebeentried.
2)表示双部分工具的名称、衣服名称等作S.时,谓语v.用复数,如:trousers/pants,shoes,glasses,scissors,goods,clothes
Mytrousersarewhiteandclothesareblue.
上述n.如由pair(suit,piece,series,kind)+of修饰时,谓语v.用单数.Apairofshoesislyingthere.
2.动名词、不定式、从句作S.时,谓语v.一般用单数.Toseeistobelieve./Readingisagoodway./Whenhewillcomeisnotknown.
3.集体n.作S.时
1)mankind/humanity/man等作S.时,谓语v.用单数
2)people,police,cattle,youth等作S.时,谓语v.用复数
3)family,crowd,class,public,enemy等作S.时
a.当表示的人或事物当整体看,谓语v.用单数.Ourfamilyisveryhappy.
b.当表示的人或事物当若干个体看,谓语v.用复数.WhenIcameintotheroom,hisfamilywerewatchingTV.
c.afamily/group/class作S.时,谓语v.用单数;families/groups/classes作S.时,谓语v.用复数.Agroupiscomingtous.
4.表示距离、时间、长度、价值、金额、重量等复数n.作S.时,谓语v.用单数
Threetimesthreemakesnine.(三乘三等于九)/Tenthousandpoundsisalargesum.(一万英镑是一大笔钱)/Twohoursisenough.
5.分数或百分数+of+词组作S.时,谓语v.取决于of后的n.或pron.的数
Three-fourthsofthesurfaceoftheearthissea./Two-thirdsofthepeoplepresentareagainsttheplan./Tensoftonsofwastegoesintotheairwiththesmokeeveryday.
6.morethanone作S.,谓语v.用单数.Morethanoneboyhasbeenthere.
morethantwo作S.,谓语v.用复数.Morethantwoboyshavebeenthere.
7.a(great)numberof+复数n.作S.,谓语v.用复数
Anumberofthestudentsarefortheplan./thenumberof+n.作S.,谓语v.用单数Thenumberofstudentsinthecomputerclassislimitedtoten.(计算机课上学生的数目限制为十人)
8.the+adj.(表人)作S.,谓语v.用复数.Therichareforthedecisionbutthepoorareagainstit.
the+adj.(表物)作S.,谓语v.用单数.Thebeautyishers.