三年级英语名词单数变复数

名词单数变复数2023最新整理收集do

somethingonebananatwobananasonepeartwopearsonecarrotthreecarrotsonehamburgertwohamburgersoneonionthreeonionsnoodlesanapple.twoapples.What’sthisinEnglish?It’sanapple.Whatarethese?Theyaretwoapples.--Whatarethese?--What’sthis?--It’sapen.--Theyare

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

Englishbooks.onesandwichfoursandwichesonepotatothreepotatoesonedresstwodressesoneboxthreeboxes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。carbagcarsbagsbookbooks1.namepenbedrulernamespensbedsrulersbox2.以s,x,ch,sh等结尾的名词，

在词尾加-es构成复数形式。boxesclassclasseswatchwatchesbrushbrushessxshch2.busbusesfoxesfox(狐狸)dish(盘子)dishes3.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)3.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:hero,potato,tomato,巧记:

英雄爱吃土豆炖西红柿。以oo结尾的名词变为复数时，

词尾加-s,

kangaroo（袋鼠）Kangarooszoo（动物园）zoos4.以“辅音字母+y”结尾的名词，应改y为i，再加-es。familyfamiliescomediescomedy(喜剧)yyld4.4.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.keycitiesstrawberrieskeyscity(城市)strawberry(草莓)5.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.wivesleaveswolveswife(妻子)leaf(树叶)wolf(狼)“小偷”(thief)的“妻子”(wife)用“刀子”(knife)和“树叶”(leaf)把“狼”(wolf)劈成两“半”(half)。巧记：名词单数变复数口诀(一)规则变化名词单数变复数，直接加-s占多数；book-books;pen-pens;apple-appless,x,sh,ch来结尾，直接加上-es；dress-dresses;box-boxes;watch-watches;brush-brushes词尾是f或fe，加-s之前先变ve；leaf-leaves;wife-wives;knife-knives

辅音+y在词尾，把y变i再加-es；study-studies;baby-babies;city-cities元音+y在词尾,只加s就足够boy–boys;day–days;monkey–monkeys词尾字母若是o，常用三个已足够，

要加-es请记好，hero,tomato,potato。英雄爱吃土豆炖西红柿。hero-heroes;potato-potatoes;tomato-tomatoes其余o结尾的词加s,photo-photos;piano-pianos(二)不规则变化男人女人a变e，鹅足牙oo变ee；man-men;woman-women;goose-geese;foot-feet;tooth-teeth老鼠虱子也好记，ous变ic；mouse-mice;louse-lice孩子加上ren，鱼鹿绵羊不用变child-children;fish;deer;sheepthis---these(这些)

that--

those(那些)Sumup: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.7、以oo结尾的名词变为复数时，词加-s8.以下词为常为不可数名词，他们的复数形式就是他们本身。Water(水)milk(牛奶)tea(茶)rice(米饭)orange（橙汁）juice（果汁）bread（面包）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--birdsladiesorangesrulerscatsboysgirlscaseswiveswatchestreeskeysquestionsbedsheroesfriendsfamiliesdictionariesphotoscardsleavespartiescupsthis–that–I–you–he/she/it–am/is–

thesethoseweyoutheyare单数复数句子单数变复数Thisisabook.Thatisaneraser.Itisaredapple.Iamaboy.He/Sheisateacher.What’sthis?

Thesearebooks.Thoseareerasers.Theyareredapples.Weareboys.Theyareteachers.What’rethese?pendeskkeyboxknifecardorangeboyfriendparentmotherfathersisterbrothersondaughtercousinfamilychildmanpencilcasesheepssssesknivessssssssssssfamilieschildrenmenssheep一、写出下列单词的复数I--2.am--3.he–4.pencil--5.watch--6.dictionary--7.man--8.it--9.parent--10.boy–wearetheypencils

watchesdictionariesmentheyparentsboys复数句子变单数句子

Thesearedictionaries.单数Thisisadictionary.写出下列各词的复数I_________this___________that___________watch_______child_______photo________diary_________day________foot________book_______dress______________tooth_______sheep______box_______strawberry_____________thief_______yo-yo______peach______sandwich_______________man______woman_______paper_______juice____________________water________milk________rice__________tea_______________-注意be动词遇到名词