名詞單數(shù)變復(fù)數(shù)七上用

名詞單數(shù)變復(fù)數(shù)名詞單數(shù)變復(fù)數(shù)What’sthisinEnglish?It’sanapple.Whatarethese?Theyaretwoapples.What’sthisinEnglish?It’san--Whatarethese?--What’sthis?--It’sapen.--Theyare

pens.--Whatarethese?--What’sthis--Whatarethose?--What’sthat?--It’sanEnglishbook.--Theyare

Englishbooks.--Whatarethose?--What’sthatbackpackswatchesorangespens--What’rethese?--They’re….backpackswatchesorangespens--Wmapscaseskeys--What’rethose?--They’re….mapscaseskeys--What’rethose?this–that–I–you–he/she/it–am/is–

thesethoseweyoutheyare單數(shù)復(fù)數(shù)this–theset單數(shù)復(fù)數(shù)可數(shù)名詞如

何

變

化？規(guī)則變化不規(guī)則變化規(guī)則變化單數(shù)復(fù)數(shù)可數(shù)名詞如何變化？規(guī)則變化不規(guī)則變化規(guī)則變化1.一般情況下，直接在詞尾加-s構(gòu)成復(fù)數(shù)形式。carbackpackcarsbackpacksbookbooks1.一般情況下，直接在詞尾加-s構(gòu)成復(fù)數(shù)形式。carbacknamepencardrulernamespenscardsrulersnamepencardrulernamespenscards練習(xí)一dog------duck-----chair-----table----band-----window-banana-tree------dogsduckschairstableshandswindowsbananastrees練習(xí)一dog------dogsbox2.以s,x,ch,sh等結(jié)尾的名詞，

在詞尾加-es構(gòu)成復(fù)數(shù)形式。boxesclassclasseswatchwatchesbrushbrushessxshchbox2.以s,x,ch,sh等結(jié)尾的名詞，

busbusesfoxesfox(狐貍)dish(盤(pán)子)dishesbusbusesfoxesfox(狐貍)dish(盤(pán)子)di練習(xí)二glass---box------brush---match---class----bus-----watch--glassesboxesbrushesmatchesclassesbuseswatches練習(xí)二glass---glasses綜合練習(xí)一glass--desk----school-box-----brush--hen-----match-class--bus----eye----watch-glassesdesksschoolsboxesbrusheshensmatchesclassesbuseseyeswatches綜合練習(xí)一glass--glasses3.以“輔音字母+y”結(jié)尾的名詞，應(yīng)改y為i，再加-es。familyfamiliescomediescomedy(喜劇)yyld3.以“輔音字母+y”結(jié)尾的名詞，應(yīng)改y為i，再加-es。4.以“元音字母+y”結(jié)尾的名詞，直接在詞尾加-s構(gòu)成復(fù)數(shù)形式。boyboysdaydaysoayy4.以“元音字母+y”結(jié)尾的名詞，直接在詞尾加-s構(gòu)成復(fù)數(shù)keycitiesstrawberrieskeyscity(城市)strawberry(草莓)keycitiesstrawberrieskeyscity(練習(xí)三city-----------day----------boy----------family-------key-----------strawberry-baby--------citiesdaysboysfamilieskeysstrawberriesbabies

練習(xí)三city-----------cities綜合練習(xí)二strawberrykey---------glass------bus--------boy--------eye--------watch-----city--------school----strawberrieskeysglassesbusesboyseyeswatchescitiesschoolsbox----baby----family----brush----match---class----desk----hen----day

----boxesbabiesfamiliesbrushesmatchesclassesdeskshensdays

綜合練習(xí)二strawberrystrawberriesb5.以f或fe結(jié)尾的名詞，先將f或fe變成v，再加-es構(gòu)成復(fù)數(shù)形式。knifekniveshalfhalves“小偷”(thief)的“妻子”(wife)用“刀子”(knife)和“樹(shù)葉”(leaf)把“狼”(wolf)劈成兩“半”(half)。5.以f或fe結(jié)尾的名詞，先將f或fe變成v，再加-es構(gòu)wivesleaveswolveswife(妻子)leaf(樹(shù)葉)wolf(狼)roof(屋頂)roofsroofwivesleaveswolveswife(妻子)leaf(練習(xí)四wife----

knife---

wolf----

thief----

shelf---

self----

life-----

half----

leaf----wiveskniveswolvesthievesshelvesselvesliveshalvesleaves練習(xí)四wife----wives綜合練習(xí)三wife-----key------glass---

knife---

boy-----eye-----watch--city------

school-wiveskeysglassesbusesboyseyeswatchescitiesschoolsbox-----

baby---

family--brush--

match-

class----desk----

hen------day------

boxesbabiesfamiliesbrushesmatchesclassesdeskshensdays綜合練習(xí)三wife-----wivesbox-----b6.以o結(jié)尾的名詞，有的加-s,有的加-es構(gòu)成復(fù)數(shù)形式。photophotosheroestomatoeszooszoo(動(dòng)物園)tomato(西紅柿)hero(英雄)6.以o結(jié)尾的名詞，有的加-s,有的加-es構(gòu)成復(fù)數(shù)形式以o結(jié)尾的名詞,

表示無(wú)生命事物的名詞，詞尾加-s,

表示有生命事物的名詞，詞尾加-es。

加-es的名詞有:potato,tomato,hero巧記:

英雄愛(ài)吃土豆燉西紅柿。以o結(jié)尾的名詞,

表示無(wú)生命事物的名詞，詞尾加-s,

表示有練習(xí)四piano----zoo--------potato---photo----tomato--radio------pianoszoospotatoesphotostomatoesradios練習(xí)四piano----pianosSumup:1.一般情況下,直接在名詞詞尾加-s.2.以s,x,sh,ch結(jié)尾的名詞,在詞尾加-es.3.以輔音字母加y結(jié)尾的名詞，要變y為i再加-es.5.以f或fe結(jié)尾的名詞，先將f或fe變?yōu)関,再加-es.6.以o結(jié)尾的名詞,表示無(wú)生命事物的名詞加-s,

表示有生命事物的名詞加-es。4.以“元音字母+y”結(jié)尾的名詞，直接在詞尾加-s.Sumup:1.一般情況下,直接在名詞詞尾加-s.2.以s名詞單數(shù)變復(fù)數(shù)歌訣

(一)

規(guī)則變化

名詞單數(shù)變復(fù)數(shù)，直接加

-s

占多數(shù)；

s,

x,

ch,

sh

來(lái)結(jié)尾，直接加上

-es；

詞尾若是

f

或

fe，加

-s

之前先變

ve；

輔母

+

y

在詞尾，把

y

變

i

再加

-es；

詞尾字母若是

o，常用三個(gè)已足夠，

要加

-es

請(qǐng)記好，hero,

tomato,

potato。

(二)

不規(guī)則變化

男人女人

a

變

e，鵝足牙

oo

變

ee；

老鼠虱婆也好記，ous

變

ic；

孩子加上

ren，魚(yú)鹿綿羊不用變名詞單數(shù)變復(fù)數(shù)歌訣

(一)

規(guī)則變化

給下列可數(shù)名詞加復(fù)數(shù)．

bird--card--lady--orange--ruler--photo--friend--boy--watch--girl--case--cat--wife--tree--key--bed--hero--family-dictionary--question--leaf--party--cup--birdsladiesorangesrulerscatsboysgirlscaseswiveswatchestreeskeysquestionsbedsheroesfriendsfamiliesdictionariesphotoscardsleavespartiescups給下列可數(shù)名詞加復(fù)數(shù)．birdsladiesoranges綜合練習(xí)三familiesknivesbooksbedswolvesbusesshelveszoospotatoescitiesphotos

leafpianoboxtomatobrushwatchbagcatradioboystrawberryleavespianosboxestomatoesbrusheswatchesbagscatsradiosboysstrawberri