名词单数变复数七上用

名词单数变复数名词单数变复数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单数复数this–theset单数复数可数名词如

何

变

化？规则变化不规则变化规则变化单数复数可数名词如何变化？规则变化不规则变化规则变化1.一般情况下，直接在词尾加-s构成复数形式。carbackpackcarsbackpacksbookbooks1.一般情况下，直接在词尾加-s构成复数形式。carbacknamepencardrulernamespenscardsrulersnamepencardrulernamespenscards练习一dog------duck-----chair-----table----band-----window-banana-tree------dogsduckschairstableshandswindowsbananastrees练习一dog------dogsbox2.以s,x,ch,sh等结尾的名词，

在词尾加-es构成复数形式。boxesclassclasseswatchwatchesbrushbrushessxshchbox2.以s,x,ch,sh等结尾的名词，

busbusesfoxesfox(狐狸)dish(盘子)dishesbusbusesfoxesfox(狐狸)dish(盘子)di练习二glass---box------brush---match---class----bus-----watch--glassesboxesbrushesmatchesclassesbuseswatches练习二glass---glasses综合练习一glass--desk----school-box-----brush--hen-----match-class--bus----eye----watch-glassesdesksschoolsboxesbrusheshensmatchesclassesbuseseyeswatches综合练习一glass--glasses3.以“辅音字母+y”结尾的名词，应改y为i，再加-es。familyfamiliescomediescomedy(喜剧)yyld3.以“辅音字母+y”结尾的名词，应改y为i，再加-es。4.以“元音字母+y”结尾的名词，直接在词尾加-s构成复数形式。boyboysdaydaysoayy4.以“元音字母+y”结尾的名词，直接在词尾加-s构成复数keycitiesstrawberrieskeyscity(城市)strawberry(草莓)keycitiesstrawberrieskeyscity(练习三city-----------day----------boy----------family-------key-----------strawberry-baby--------citiesdaysboysfamilieskeysstrawberriesbabies

练习三city-----------cities综合练习二strawberrykey---------glass------bus--------boy--------eye--------watch-----city--------school----strawberrieskeysglassesbusesboyseyeswatchescitiesschoolsbox----baby----family----brush----match---class----desk----hen----day

----boxesbabiesfamiliesbrushesmatchesclassesdeskshensdays

综合练习二strawberrystrawberriesb5.以f或fe结尾的名词，先将f或fe变成v，再加-es构成复数形式。knifekniveshalfhalves“小偷”(thief)的“妻子”(wife)用“刀子”(knife)和“树叶”(leaf)把“狼”(wolf)劈成两“半”(half)。5.以f或fe结尾的名词，先将f或fe变成v，再加-es构wivesleaveswolveswife(妻子)leaf(树叶)wolf(狼)roof(屋顶)roofsroofwivesleaveswolveswife(妻子)leaf(练习四wife----

knife---

wolf----

thief----

shelf---

self----

life-----

half----

leaf----wiveskniveswolvesthievesshelvesselvesliveshalvesleaves练习四wife----wives综合练习三wife-----key------glass---

knife---

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

school-wiveskeysglassesbusesboyseyeswatchescitiesschoolsbox-----

baby---

family--brush--

match-

class----desk----

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

boxesbabiesfamiliesbrushesmatchesclassesdeskshensdays综合练习三wife-----wivesbox-----b6.以o结尾的名词，有的加-s,有的加-es构成复数形式。photophotosheroestomatoeszooszoo(动物园)tomato(西红柿)hero(英雄)6.以o结尾的名词，有的加-s,有的加-es构成复数形式以o结尾的名词,

表示无生命事物的名词，词尾加-s,

表示有生命事物的名词，词尾加-es。

加-es的名词有:potato,tomato,hero巧记:

英雄爱吃土豆炖西红柿。以o结尾的名词,

表示无生命事物的名词，词尾加-s,

表示有练习四piano----zoo--------potato---photo----tomato--radio------pianoszoospotatoesphotostomatoesradios练习四piano----pianosSumup:1.一般情况下,直接在名词词尾加-s.2.以s,x,sh,ch结尾的名词,在词尾加-es.3.以辅音字母加y结尾的名词，要变y为i再加-es.5.以f或fe结尾的名词，先将f或fe变为v,再加-es.6.以o结尾的名词,表示无生命事物的名词加-s,

表示有生命事物的名词加-es。4.以“元音字母+y”结尾的名词，直接在词尾加-s.Sumup:1.一般情况下,直接在名词词尾加-s.2.以s名词单数变复数歌诀

(一)

规则变化

名词单数变复数，直接加

-s

占多数；

s,

x,

ch,

sh

来结尾，直接加上

-es；

词尾若是

f

或

fe，加

-s

之前先变

ve；

辅母

+

y

在词尾，把

y

变

i

再加

-es；

词尾字母若是

o，常用三个已足够，

要加

-es

请记好，hero,

tomato,

potato。

(二)

不规则变化

男人女人

a

变

e，鹅足牙

oo

变

ee；

老鼠虱婆也好记，ous

变

ic；

孩子加上

ren，鱼鹿绵羊不用变名词单数变复数歌诀

(一)

规则变化

给下列可数名词加复数．

bird--card--lady--orange--ruler--photo--friend--boy--watch--girl--case--cat--wife--tree--key--bed--hero--family-dictionary--question--leaf--party--cup--birdsladiesorangesrulerscatsboysgirlscaseswiveswatchestreeskeysquestionsbedsheroesfriendsfamiliesdictionariesphotoscardsleavespartiescups给下列可数名词加复数．birdsladiesoranges综合练习三familiesknivesbooksbedswolvesbusesshelveszoospotatoescitiesphotos

leafpianoboxtomatobrushwatchbagcatradioboystrawberryleavespianosboxestomatoesbrusheswatchesbagscatsradiosboysstrawberri