-
1
、形式一致
主语是复数，谓语动词用复数形式
主语是单数，谓语动词用单数形式
2
、语意一致
谓语动词用单数的清况
1
）当名词词组中心词为表示金钱、时间、度量、距离、价格等复数名词时，把这些复数名< p>
词看作一个整体。谓语动词采用单数形式。
Twenty-five dollars is too much to pay
for that shirt
．
Fifty minutes isn’t enough to finish
this test
．
Ten
miles seems like a long walk to
me
．
2
以
“
-
s”<
/p>
结尾的书刊名、国名、组织名、游戏名、运动名，谓语动词用单数
以
-ics
结尾的名词指一门学科时，
常用单数谓语动词形式。当这些名词表示实际内容时，
谓语动词则用复数形式。
这类单词有：
economics
经济学
electronics
电子学
physics
物理学
politics
政治学
mathematics
数学
statistics
统计学
Roots
was a novel about a slave
family
．
His politics
were a matter of great concern to his
friend
．
Politics is his
favorite subject
．
Statistics show that approximately 40
percent of all marriages in the US end in
divorce
．
Statistics is a
subject that is difficult to
learn
．
3)
有些表示某类别的总称的集合名词，
如：
machinery(
机械
)
，
clothing(
衣服
)
，
luggage(
行
李
)
，
furniture(
家具
)
，
equipm
ent(
设备
)
，
jewelry(
珠宝
)
等作主语
时，谓语动词常用单数。如：
My luggage was
sent by air
．
The
equipment of our factory is all imported from
Britain
．
4)
不定式、现在分词和从句作主语，谓语动词通常用单数：
Playing with fire is
dangerous
．
注意：
若用
and
连接两个动名词、不定式短
语或主语从句，表示两个不同的概念，则谓
语动词用复数形式。若表示同一概念，则谓语
动词用单数形式
Early to rise and early to bed is a
good habit
．
When and where the building will be
built hasn’t been decided
．
主语从句要根据从句表达的意思而定
What she said is
correct
．
What he gave me are five
English books
．
谓语动词用复数的情况
1
）由
and
或
both...and...
连接两个单数名词作主语时，指的是复数概
念，谓语动词用复数形
式
(
不可数名词
同样
)
。如：
Fire and water do not
agree
．
注意
<
/p>
如果
and
连接的两个词是指同一个人、
同一事物或同一概念，
则两个名词共用一个
冠词，谓语动词必须用单数。
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The teacher and
writer is her friend
．
2
）有些集合名词．如：
cattle
，
folk
，
people
，
police
，
poultry(
家禽
)
等作主语，总是跟复数动
词形式。
The people hope to live a happy
life
．
The police
have caught the criminal
．
Cattle feed on
grass
．
3)
表示成双成套的名词，如：
tr
ousers
，
shoes
，
glasses
，
compasses
等作主语时，谓语动词
用复数。
His black trousers are too
long
．他的黑裤子太长。
Your glasses are on your
nose
．
4
）表示群岛、瀑布、山脉等以
“
-
s”
结尾的专有名词作主语时，谓语动词往往用复数。
The Philippines are in the
Pacific Ocean
．
Rocky Mountains stand in the west of
North America
．
<
/p>
5
）名词
clothes
，
works(
作
“
著作
”
讲
)
，
goods
，
cont
ents
，
the Olympic Games
的谓语动词律律
用复数。如：
Clothes keep people
warm
．
His works have been
translated into several foreign
languages
．
注意：若表示
“
一套衣服
”
，可用
a suit of clothes
。
clothes
不可与不定冠词
a
或数词连用。
若表示
“
一部作品
”
用
a work
，
“
两部作品
”
用
two
works
。
谓语动词单复数由名词前面的
词或词
组决定的
1
）由
“some
of
，
plenty
of
，
a lot
of
，
lots
of
，
most
of
，
the rest
of
，
all
of
，
half
of
，
part
of
，
the
remainder
of
或分数、百分数
+of+
名词
”
等短语作主语时，谓语动词常与
of
后的名词保持数
的一致。
< br>
The rest of the lecture is
dull
．
Half of the
apple is
rotten
．这个苹果的一半腐烂变质了。
Half of the apples are
rotten
．这些苹果有一半腐烂变质了。
About one third of the books are worth
reading.
大约三分之一的书值得一读。
Over 30
％
of the students were absent from the
meeting
．
2
）由
“a kind
of
，
this kind
of
，
many kinds of”
和
“
名词
+of this kind
”
等，以及由与
kind
意义相
似的
type
，
so
rt
，
form
，
part
，
piece
，
section
等构成的类似短语作主语时，谓语动词与
of
前
的名词保持数的一致。如：
A kind of birds has been discovered by
them
．
Parts of the book are very
instructive
．
This
kind of apples is expensive.
Apples of
this kind are expensive.
3
）<
/p>
“more+
复数名词
+than
one”
结构谓语常用复数。
More members than one have protested
against the plan
．
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