可数名词单数变复数ppt

说明:
表示某国人，通常在单数后面加s。 但是（中国人）Chinese（日本人） Japanese单复数一样， （英国人）Englishman和（法国 人）Frenchman只需把a变为e。
Activity1
袜子配对：将成对的袜子连线并涂上相同的颜色
给下列可数名词加复数．
bird-- birds card-- cards lady-- ladies orange--oranges ruler-- rulers photo-- photos friend-- friends boy-- boys watch-- watches girl-- girls case-- cases cat-- cats wife-- wives tree-- trees key-- keys
选出正确形式 1．I can see three ________ in the zoo. A monkeys B monkeys C monkey 2.The pig has four ______. A.foot B. feet C. foots 3.My two brothers are both ______. A.policeman B. policemans C. policemen 4.There are four ___________ in the class. A.Japanese B. Japaneses C. Japan 5.I can see ten _____ in the picture. A. sheep B. dog C. pig
dishes ['dɪʃɪz] grasses ['grɑ:sɪz]
dish (盘子) grass
3、以 ce，se，ge 等
结尾的词， 词尾加—s， 读 [iz]。
例词 case—cases [`keisiz] race—races [`reisiz]
bridge- bridges[`brɪdʒiz] exerciseexercises['eksəsaɪzɪz]
What’s this ?
It’s an apple.
What are these?
They are two apples.
--What’s this? --It’s a pen. --What are these? --They are pens.
--What’s that? --It’s an English book.
wolf
(狼)
calf
巧记：
“小偷”(thief)的“妻 子”(wife)用“刀子”(knife) 和“树叶”(leaf) 把“狼”(wolf)劈成两
7 部分已f结尾的名词复 数还可直接加-s 读[s]
roof chief safe
roofs[ruːfs] chiefs[tʃi:fs]
safes[seɪfs]
句子单数变复数
1. This is a book. These are books.
2. That is an eraser.
3. It is a red apple. 4. I am a boy. 6. What’s this ?
Those are erasers.
They are red apples. We are boys. What’re these ?
mango mosquito mangos mangoes
mosquitos mosquitoes
[mə'ski:təʊz]
12、单复数同形 ，保持原音。
例词：
fish— fish [fɪʃ]
sheep— sheep
[ʃi:p]
cattle— cattle
[`kæ tl]
deer— deer
[dɪə(r)]
--What are those?
--They are English books.
backpacks
oranges
watches pens
--What are these ?
--They’re … .
--What are those ?
--They’re … .
maps
cases
keys
可数名词是指能以数目来 计算，可以分成个体的人或物， 因此它有单数，复数两种形式。
books ['bʊks]
2、以s, x, ch, sh等 结尾的词， 词尾加—es， 读[iz]。
例词：
box—boxes[`bɔksiz] watch— watches[`wɔtʃiz]
class—classes [`klɑ:siz]
bus
buses ['bʌsɪz]
பைடு நூலகம்
fox
(狐狸)
foxes [`fɔksIz]
9、以“辅音字母+o” 结尾的名词，
词尾加—es，
读[z]。
例词：
hero— heroes ['hiərəuz] potato—potatoes [pə'teitəuz] tomato— tomatoes [tə'mɑ:təuz]
加-es的名词有: potato, tomato, hero 巧记:
英雄爱吃 土豆炖西红柿。
10、以 “元音字母+o” 结尾的名
词尾加—s ，
读[z]。
例词：
radio—radios ['reidiəuz] zoo—zoos [zu:z] bamboo—
bamboos[bæ m'bu:z]
11 个别以O结尾的名词可有两
种复数形式
读音为[z]
['mæŋɡəʊz]
5. He / She is a teacher. They are teachers.
美元、 英镑、 欧元等
都有复数形式。
例词
one dollar— two dollars
one pound — two pounds
名词变复数歌诀
名词复数有变化，词尾常把-s加； 结尾若是s, x, ch, sh, 加上-es要记下； 若遇f, fe, 更要弄清其变化； 先将它们变成v，然后再把-es加； y结尾要分清，两种情况必须明； 不规则名词要注意，它的词形需牢记； 中日友好不变化，英法联军a变e。
bed-- beds hero--heroes family- families dictionary-- dictionaries question-- questions leaf-- leaves party-- parties cup-- cups
activity2
• How many ___ (book) are there?
单数
可数名词
如 何 变 化 ？
复数
规则变化
不规则变化
1、一般情况词尾加—s
浊辅音和元音后读[z]
清辅音后读[s]
例词
bag— bags [bæ gz]
cup— cups [kʌps]
row— rows [rəuz]
name pen ruler book
names [neɪmz] pens [penz] rulers ['ru:ləz]
通常情况下变 f 为 v
加—es， 读[vz]。
例词：
leaf—leaves [li:vz] thief—thieves [θi:vz]
wife—wives [waivz]
knife knives[naɪvz]
half
halves[hɑ:vz] wolves[wʊlvz] calves[kɑ:vz]
13、复数形式没有任何规律
例词：
man—men[men]
woman— women
['wɪmɪn]
tooth—teeth
[ti:θ]
foot— feet
[fi:t] goose —geese [ɡi:s]
child—children
['tʃɪldrən]
mouse— mice
[maɪs]
14、除人民币元、角、外，
strawberry
(草莓)
lady
5、以 “元音字母+y” 结尾的词， 词尾加— s， 读 [z]。
例词：
boy— boys [bɔiz]
way
toy key
monkey
ways [weɪz]
toys [tɔɪz] keys [ki:z]
monkeys['mʌŋkɪz]
6、以
fe
或
f
结尾的词
6.The _____ has three______. A.boys, watches B. boy, watch C. boy, watches 7.C an you see _______on the plate? A. bread B. breads C. breades 8.The girl often brushes her_____ before she goes to bed. A.tooth B. tooths C. teeth 9.Mr Black often drink some _________. A. milk B. milks C.milkes 10.There are some _____ on the floor. A. child B. water C. books
4、以“辅音字母+y”结尾的词
变 y 为 i，再加— es ， 读[z]。
例词：
lobby—lobbies ['lɔbiz]
duty—duties ['dju:tiz]
family—families ['fæ miliz]
city
(城市)
cities [`sitiz] strawberries [`strɔ:bəriz] ladies [`leidiz]
• Key: books
• Lucy and Tom are my ___(friend). • Key: friends
用所给的单词的复数的正确形式填空： 1>I have two ______(pencil-box). 2>There are three ______(chair) in the classroom. 3>These _______(tomato) are red. 4>______(hero) are great. 5>My brother looks after two ______(baby) 6>There are some ______(deer) eating the grass. 7>My father likes to eat _______(potato). 8>Chinese ______(people)like to eat noodles. 9>I have a lot of ______(toy) in my bedroom. 10>I help my mother wash ______(dish) in the kitchen.