名词单数变复数专练课件.ppt.ppt
名词名词单数单数变变复数复数Whats this in English?Its an apple.What are these?They are two apples.-What are these?-Whats this?-Its a pen.-They are pens.-What are those?-Whats that?-Its an English book.-They are English books.backpackswatchesorangespens-Whatre these?-Theyre .mapscaseskeys-Whatre those?-Theyre .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1.一般情况下，直接在词尾加-s构成复数形式。carbackpackcarsbackpacksbookbooks1.namepencardrulernamespenscardsrulersbox2.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“辅音字母+y”结尾的名词，应改y为i，再加-es。familyfamiliescomediescomedy(喜剧)yyld3.4.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)挂在架子上（shelf）。5.wivesleaveswolveswife(妻子)leaf(树叶)wolf(狼)roof(屋顶)roofsroof“小偷”(thief)的“妻子”(wife)用“刀子”(knife)和“树叶”(leaf)把“狼”(wolf)劈成两“半”(half挂在架子上（shelf）。巧记：6.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,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:英雄爱吃英雄爱吃 土豆西红柿土豆西红柿。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-birdsladiesorangesrulerscatsboysgirlscaseswiveswatchestreeskeysquestionsbedsheroesfriendsfamiliesdictionariesphotoscardsleavespartiescupsSum up: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.1.单复数同形某些名词的单复数是一样的，这类名词不多，主要有：sheep,people,deer,Chinese,Japanese,fish 绵羊（sheep）人（people）在鹿（deer）上遇到中国人（Chinese）和日本人（Japanese）在抢钓鱼（fish）岛。2.常考国家的复数形式Chinese -Chinese Japanese -Japanese (中日不变)Englishman -Englishmen Frenchman -Frenchmen （英法闷）American -Americans German -Germans （美德S）3.无规则形式有些名词单数变复数时，没有一定的规则的，需要特别记忆：man-woman-child-tooth-foot-goose-mouse-【真题再现】1根据句意，用括号中所给词的正确形式填空。The _（story）are very interesting.（10年联考）2 选择题-Whose ruler is it?-Maybe its _.（09年联考）A.Peter B.Peters C.Marys D.Petersmenwomen children teethfeet geesemicestoriesCthis that I you he/she/it am/is thesethoseweyoutheyare 单数单数 复数复数复数句子变单数句子复数句子变单数句子 These are These are dictionariesdictionaries.单数单数一般疑问句一般疑问句,并作肯定回答并作肯定回答划线提问划线提问 This is a dictionary.Are these dictionaries?Yes,they are.What are these?写出下列可数名词的复数。toy-_ dish-_ tomato-_ map-_ leaf-_ sheep-_ tooth-_ woman-_ factory-_ lie-_ ferry-_ minute-_American-_ knife-_ goose-_ pear-_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?
