二、名词作定语的单复数问题
(A)名词作主语,即noun.修饰noun.,前面的名词必须是单数
color effects, employment agenenices, sentence form, tree trunks
例外:a sales girl, a sales tax
a greetings card, a sports car
a savings bank, a communications satellite
a systems engineering
(B)man或woman修饰noun.时,其单复数应该同时变
a woman boxer->women boxers
(C)表示某一学科的教授、学生、教科书、实验室...时,只能用
学科名本身修饰
a mathematical professor 错
a biological textbook 错
the chemical lab 错
the highest scientific award 错
a mathematical model 对
三、重要的限定词
(A) many + 复数
much + 不可数n
看见many 去找复数名词
as many as
50 percent of the money
~~~~~~不可数 ~~~~~不可数
many和much可为代词
many of..., much of..., ...by many
(B)some,any 后跟单/复数, 不可数/可数 均可
some object 某一物体
some objects 一些物体
some money 一些钱
也可作代词:some of..., any of...
(C)few/a few, little/a little
~~~~~~~~+可数 ~~~~~~~~~~~+不可数
few+复数
(D)every/each + 单可
each major styles 错
each ten boys 对
every four years 对
(E)数词/several + 复数
five aircraft 对
several setting 错
(F)one of/among + 复数
* be considered (to be) +noun./adj.
be regareded as
be viewed as
(G)first/only/single + 单/复均可
the first school 第一所学校
the first schools 第一批学校
a single + 单可
no single + 复可
(H)hundred,thousand,million,billion
five hundred boys, hundreds of boys, hundred million boys
(I)another + 单可
other + 复名(纯粹的other)
anyother+ 单可
例外:other part .(part 永远对)
(J) a number of + 复noun. + 复Verb
the number of + 复noun. + 单verb
The amount fo leisue time is increasing
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