Threetimesthreemakesnine.
b)one,every/eachone,each,anyone,either,neither+of+复数名词
谓语动词一般用单数形式,因为of之后的复数名词不是主语而是介词of的宾语,of前面的one,everyone…才是主语
c)noneof+不可数名词——谓语动词用单数形式
noneof+可数名词——谓语动词单复均可
Noneofthatmoneyinthedeskishis.
Noneofhisclassmatesknowsthetruth.
d)分数或百分数+of+词组
分数或百分数+of+词组作主语时,谓语动词的数取决于of后的名词或者代词的数;若名词或代词是复数,谓语动词用复数,若名词或代词是单数,则谓语动词用单数
Three-thirdsofthesurfaceoftheearthissea.
Tensoftonsofwastegoesintotheairwiththesmokeeveryday.
e)morethanone+(单数名词)+单数动词
morethantwo+(复数名词)+复数动词
Morethanonewhiterosehasbloomed.
Morethantwowhiteroseshavebloomed.
f)a(great)numberof+复数名词——用复数动词
thenumberof+任何名词——用单数动词
AgreatnumberoftouristshavebeentotheGreatWall.
Thenumberofstudentsinthecomputerclassislimitedtoten.
the+形容词,表示一类物——谓语动词用单数
Therichareforthedecisionbutthepoorareagainstit.
h)every,any,some,no构成的复合词
everyone,everybody,everything
anyone,anybody,anything这些复合词作主语的时候,谓语动词用单
someone,somebody,something数形式
noone,nobody,nothing
Everyoneintheclasswassurprisedatthenews.
Listen,someoneisknockingatthedoor.