小学英语语法--名词变复数ppt课件

.,1,名词变复数,通榆县明德小学刘大军,.,2,名词：名词是表示人,事物,地点等名称,名词,可数名词:指能以数目来计算，可以分成个体的人或东西,不可数名词:不能用数字计算的,举例：学生、车、房子、北方。,什么是名词？,.,3,单数,复数,可数名词,如何变化？,规则变化,.,4,1.一般情况下，直接在词尾加-s构成复数形式。,car,backpack,cars,backpacks,book,books,1.,.,5,name,pen,card,ruler,names,pens,cards,rulers,练习,.,6,box,2.以s,x,ch,sh等结尾的名词，在词尾加-es构成复数形式。,boxes,class,classes,watch,watches,brush,brushes,2.,.,7,bus,buses,foxes,dishes,练习,.,8,3.以“辅音字母+y”结尾的名词，应改y为i，再加-es。,family,families,comedies,3.,.,9,4.以“元音字母+y”结尾的名词，直接在词尾加-s构成复数形式。,boy,boys,day,days,4.,.,10,key,cities,strawberries,keys,练习,.,11,5.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,knives,half,halves,“小偷”(thief)的“妻子”(wife)用“刀子”(knife)和“树叶”(leaf)把“狼”(wolf)劈成两“半”(half)。,5.,.,12,wives,leaves,wolves,roofs,练习,.,13,wife,knife,wolf,thief,shelf,leaf,knives,leaves,wolves,wives,thives,shelves,记忆小口诀:妻子持刀去宰狼，吓的小偷发了荒躲在架后保己命，半片树叶遮目光,.,14,“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：,.,15,6.以o结尾的名词，有的加-s,有的加-es构成复数形式。,photo,photos,heroes,tomatoes,zoos,6.,.,16,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,heronegro,巧记:黑人英雄爱吃土豆炖西红柿。,（简称两人两菜）,.,17,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.,.,18,(二)不规则变化:,3.单复数同形(鱼/鹿/绵羊/中日友好不用变):fish(鱼)deer(鹿)sheep(绵羊),1.man,womanmen,women,Chinese(中国人)Japanese(日本人),4.ooee：foot(脚)tooth(牙齿)goose(鹅),2.child（孩子）children孩子加上”ren”,（男人，妇女a变e）,小口诀：双脚白鹅和牙齿oo都要变ee,.,19,名词变复数歌诀名词复数有变化，词尾常把-s加；结尾若是s,x,ch,sh,加上-es要记下；若遇f,fe,更要弄清其变化；先将它们变成v，然后再把-es加；y结尾要分清，两种情况必须明；不规则名词要注意，它的词形需牢记；中日友好不变化，英法联军a变e。,.,20,watch_child_photo_diary_day_foot_book_dress_tooth_sheep_box_strawberry_thief_peach_sandwich_man_woman_paper_juice_water_milk_rice_tea_,写出下列单词的复数,watches,chidren,photos,diaries,days,feet,books,dresses,teeth,sheep,boxes,strawberries,thieves,peaches,sandwiches,men,women,paper,juice,water,milk,rice,tea,.,21,1.Ihavetwo_(knife)2.Therearemany_here.(box)3.Therearemany_ontheroad.(bus)4.Afew_aredrawingonthewall.(boy)5.The_areplayingfootballnow.(child),填入所给名词的正确形式,kinves,boxes,buses,boys,children,.,22,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-,birds,ladies,oranges,rulers,cats,boys,girls,cases,wives,watches,trees,keys,questions,beds,heroes,friends,families,dictionaries,photos,cards,leaves,parties,cups,.,23,二、写出下列名词复数形式1.desk2.boat3.map4.dish5.class6.church7.dress8.page9.boy10.hero11.potato12.radio13.party14.factory15.leaf16.shelf17man18.tooth19.child20.deer2