英语单词的复数形式都该怎么变啊？

Question

如题所述

Answer 1

．一般名词复数是在名词后面加上“s”，如map→maps，
bag→bags等；
2)以s、x、sh、ch结尾的名词加es:
glasses,
boxes,
brushes,
matches.
3)以辅音字母加y结尾的名词，变y为i加es:
cities,
babies,
enemies.4)以f或fe结尾的名词，多数变f为v加es:
wives,
knives.但有些词只加s:
roofs,
proof
s,
chiefs.
5)以o结尾的名词，有些加es:
negroes,
heroes,
tomatoes,
potatoes.其它加s:
radio
s,
zoos,
pianos,
photos.
6)不规则名词：foot→feet,
goose→geese,
tooth→teeth,
child→children,
man→me
n,
woman→women,
sheep→sheep,
deer→deer,
mouse→mice.
7)某些外来词变复数：datum→data,
medium→media,
bacterium→bacteria,
curriculum→curricula,
criterion→criteria,
phenomenon→phenomena.
(um/on→a)analysis→analyses,
basis→bases,
crisis→crises,
diagnosis→diagnoses.(is→es
)
8)复合名词变复数：以不可数名词结尾的复合名词无复数形式，如：homework.
以man或woman为前缀的复合名词变复数，前后两个名词都变复数，如：manservant→menservants,
woman
student
women
students.
其它复合名词变复数：grownup→grownups,
brotherinlaw→brothersinlaw,
standby→standsby.
还有一点以f、fe结尾的单词，回f、fe为v，再加es

Answer 2

首先你需要知道名词的分类，然后分别记忆复数的变化方式
一、名词的分类：
可数名词
个体名词
car,
horse,
teacher,
bike,
book,
boy
名词
普通名词
集体名词
people,
family,
class,
police,
cattle
不可数名词
物质名词
air,
rain,
snow,
water,
meat,
wood
抽象名词
patience,
anger,
health,
culture
专有名词
Chinese,
the
Great
Wall,
(NOTES:专有名词须大写【实词】首字母)
二、可数名词的复数
(规则&不规则)
1.
规则变化
情况
构成
例词
读音
一般单数名词
词尾+-s
desk→desks,
map→maps
-s在清辅音后发[s]
day
→
days,
girl
→
girls
-s在元音和浊辅音后发[z]
s,
x,
ch,
sh结尾
词尾+-es
bus
→
buses,
box
→
boxes
watch→watches,
fish→fishes
-es读作[Iz]
辅音字母+y结尾
y→i+-es
family→families,
factory→factories
party
→
parties,
baby
→
babies
-ies读作[Iz]
f/fe结尾
f/fe→v+-es
knife
→
knives,
life
→
lives
wife
→
wives,
half
→
halves
-ves读作[vz]
辅音字母+o结尾
有生命+-es
potato→potatoes,
tomato→tomatoes
无生命+s
hero→heroes,
Negro→Negroes
-es读作[z]
2.
不规则变化
a）单复数同形：fish,
sheep,
deer,
Chinese,
Japanese,
cattle,
works,
means；
b)
dozen
(一)打，score二十，head
(牛羊的)头(数)。
We
order
ten
dozen
(of)
buttons.
I
want
three
score
eggs.
There
are
more
than
two
hundred
head
of
cattle
on
the
farm.
c)
people,
police
常用单数形式表示复数概念。
The
police
are
looking
for
the
missing
boy.
d)
“某国人”的复数：中日瑞不变英法变，其余-s加后面。
Chinese(Cantonese,
Taiwanese),
Japanese,
Vietnamese,
Portuguese,
Swiss
Englishman
→
Englishmen,
Frenchman
→
Frenchmen
German
→
Germans,
American
→
Americans
三、不可数名词的复数
1.
前无数、冠，后无复数；作主语为三单
(形式为单、谓语动词为单、代词为单)。
2.
表量：
a)
用约数:
some/any;
much;
a
lot
of等,
如：some
milk,
much
time,
a
lot
of
money
b)
用容器:
a
cup/bottle/glass/box
of等,
如：a
cup
of
tea,
a
box
of
chocolate
c)
用量词:
a
piece/drop/slice
of等,
如：a
drop
of
blood,
a
slice
of
meat

Answer 3

hero→heroes,
dish→dishes,
sheep→sheep,tooth→teeth,
fish→fish,
knife→knives,horse→
horses,说明其数量时,要用有关计量名词,再加es。如：family→families,
city→cities,
child→children,
table→
tables.
②s,o,x
,sh,ch结尾的词加es.如：class→classes,
box→boxes1、名词由单数变复数的基本方法如下：
①在单数名词词尾加s。如：map
→
maps。如：a
bag
of
rice→two
bags
of
rice,
a
piece
of
paper→three
pieces
of
paper,
a
bottle
of
milk→five
bottles
of
milk,
ox→oxen,
goose→geese
不可数名词一般没有复数形式,再加es。如：shelf→shelves,
wolf→wolves：少数以o结尾的词,变复数时只加s。如：photo→photos.
③以辅音字母加y结尾的名词,变y为i,boy→
boys,
life→lives.
2、不规则变化：man→men,
woman→women,
bench→benches.
[注],
party→parties.
④以f或fe结尾的名词,变f或fe为v,
piano→pianos

Answer 4

一般情况
加s
以s,x,ch,sh结尾的单词
加es
以字母o结尾的单词
加s或es
以辅音字母+y结尾的单词
去y
变i加es
以f
或fe结尾的单词
去f或fe
变v
加
es