小学英语名词变复数.ppt
class—classes [klɑ:siz]
3、以 ce,se,ge 等 结尾的词,
词尾加—s, 读 [iz]。
例词 case—cases [keisiz] race—races [reisiz]
4、以“辅音字母+y”结尾的
变 y 为 I,再加— es , 读[z]。
例词:
lobby—lobbies ['lɔbiz]
句子单数变复数
1. This is a book. These are books.
2. That is an eraser. Those are erasers.
3. It is a red apple. They are red apples
4. I am a boy.
We are boys.
名词变复数的规则
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
a bag— bags [bæ gz]
cup— cups [kʌps]
row— rows [rəuz]
2、以s, ss, x, ch, sh等 结尾的词,
词尾加—es, 读[iz]。
例词: box—boxes[bɔksiz] watch— watches[wɔtʃiz]
knife knives cards orangse
boy s friends
parents mothers fathesr
sisters brothesr sosn daughster
cousins familyfamilies
child children manmen
pencil cases
sheep sheep
5. 以 f / fe结尾的,变f为v, 再加es
wife(妻子) knife (小刀)
shelf (架子) leaf (叶子) wolf (狼)
6. oo ee: foot(脚) tooth(牙齿)
名词单数变复数后s / es 的读音
1.在清辅音后读 / s / desks maps
2.在元音和浊辅音后读 / z /
deer— deer
10、复数形式没有任何规律
例词:
man—men
woman— women
child—children foot— feet
11、除人民币元、角、外,
美元、 英镑、 欧元等
都有复数形式。
例词
a dollar— two dollars
one pound — two pounds
名词单数变复数
(一)规则变化:
1.加s (mothers, fathers, sisters, brothers)
2.加s, x, ch, sh结尾的名词加es
( buses, boxes, watches )
3.以辅音字母加y结尾的名词,先改y为i, 再加es ( family -- families
5. He / She is a teacheTrh. ey are teachers.
6. What’s this ?
What’re these ?
单数
this
–
that
–
I
–
you
–
he / she / it –
am / is
–
复数
these those we you
they are
一、写出下列单词的复数
duty—duties ['dju:tiz] family-families ['fæ miliz]
5、以 “元音字母+y”
结尾的词,
词尾加— s, 读 [z]。
例词:
boy— boys [bɔiz]
例词:
leaf—leaves [li:vz] thief—thieves [θi:vz]
wife—wives [waivz]
dictionary -- dictionaries )
区别 key – keys boy -- boys
பைடு நூலகம்
(二)不规则变化:
1.加es:potatoes (土豆) tomatoes (西红柿
2.man, woman men, women (男人,妇女) 3. child(孩子) children 4.单复数同形(不变): sheep(绵羊) deer(鹿) fish(鱼) Chinese(中国人) Japanese(日本人)
7、以“辅音字母+o” 结尾的名词
词尾加—es, 读[z]。
8、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]
9、单复数同形 ,保持原音。
例词:
fish— fish
sheep— sheep cattle— cattle
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。
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。
This is not my mother.
2)变一般疑问句,并作肯定回答
Is this your mother ?
Yes, it / she is.
2.That is a car. 1)变否定句
That is not a car. 2)划线提问 What’s that?
1.I-- we 2.am--are 3.hteh–ey
4.pencil--pencils 5.watcwha--tches 6.dictionary--dictionaries
7. man-- men
8.it--they
9. parent -p- arents 10.boyb–oys
二、句型转换 1.This is my mother. 1)变否定句
brothers pens
3.在/ s / / z / /∫/ / / / ∫t / / d /后
读 / iz / classes, watches, oranges
4.在/ t /后读/ ts /,在 / d /后读 / dz / cats, friends
pen s desks kesy boexs