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1、名词的单数与复数名词的单数与复数w1.名词?名词是表示人与事物名称的词,它既可以表示具体的东西,也可以表示抽象的东西。w2.名词按数分为: 可数名词(单数和复数的相互转化) 不可数名词(列出你知道的不可数名词)1培训类常见的不可数名词常见的不可数名词lfood-ricebreadmeatfishldrink-waterjuicecoffeeteamilklothers-advicemoneypeopleworkhelpglasspaperclothsandsoaphopeworkweatherinformationnews注意:1.不可数名词一般没有复数形式,只有单数形式。2.不可数名词前面不
2、能用不定冠词a/an。2培训类-What are these?-Whats this?-Its a pen.-They are pens.3培训类-What are those?-Whats that?-Its an English book.-They are English books.4培训类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规则变化5培训类1.一般情况下,直接在词尾加-s构成复数形式。carbasketballcarsbasketballsbookbooks6培训类box2.以s,x,ch,sh等结尾的名词,在词尾加-es构成复数形式。boxesclassclasse
3、swatchwatchesbrushbrushessxshch2.7培训类3.以“辅音字母辅音字母+y”结尾的名词,变“y”为“i”,再加-es构成复数形式。ncitycitiesnfamilyfamiliesnpartyparties8培训类4. 以“元音字母元音字母+y”结尾的名词,直接在词尾加-s构成复数形式 。boyboysdaydaysoayy.9培训类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。knife kniveswolfwolves.注意:roofroofs10培训类6. 以o结尾的名词,有的加-s, 有的加-es构成复数形式。photophotos
4、heroestomatoeszooszootomato(西红柿)hero(英雄).11培训类以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,hero1212培训类培训类vSumup: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
5、-s.13培训类7.单数复数的不规则变化 例词:例词:manmenwomanwomen14培训类childchildrenfootfeet15培训类8、单复数同形单复数同形 ,保持原音,保持原音。 例词例词:fishfish16培训类sheepsheepcattlecattledeerdeer17培训类给下列可数名词加复数bird-card-lady-orange-ruler-photo-lady-boy-leaf-mouse-tooth-cat-wife-shelf-key-bus-hero-Chinese-dictionary-fox-girl-zero-party-cup-18培训类th
6、is that I you he / she / it am / is thesethoseweyoutheyare 单数单数 复数复数19培训类句子单数变复数句子单数变复数1.This is a book. 2.That is an eraser.3.It is a red apple. 4.I am a boy.5.He / She is a teacher.6.Whats this ? These are books.Those are erasers.They are red apples.We are boys.They are teachers.Whatre these ?20培训
7、类Praticel1.Weneedmore_(people)toattendit.l2.Thereissome_(food)inthebasket.l3._(knife)areusedforcuttingthings.l4.Iseeyouhaveafewwhite_(hair)l5.Thisdresscostme20_(dollar)21培训类名词单数变复数后名词单数变复数后s / es 的读音的读音1.在清辅音后读在清辅音后读 / s /2.在元音和浊辅音后读在元音和浊辅音后读 / z /3.在在/ s / / z / / / / / t / / d /后后 读读 / iz /4.在在/ t /后读后读/ ts /,在,在 / d /后读后读 / dz /desks mapsbrothers pensclasses, watches, orangescats, friends 22培训类