小学名词变复数课件.ppt

1、名词名词名词：是指人或事物名称的词。名词：是指人或事物名称的词。名词名词专有名词专有名词 China普通名词普通名词 个体名词个体名词 book集体名词集体名词 family物质名词物质名词 water抽象名词抽象名词 work不可数名词不可数名词可数名词可数名词appleapplesbookbooksbusbusespeachpeachesdishdishesknifeknivesboxboxesleaves直接加直接加s以以s,x,ch,sh结尾加结尾加es以以f,fe结尾把结尾把f,fe变为变为vesbabybabiescandycandies以辅音字母加以辅音字母加y结尾结尾把把y变变

2、i加加esleafbutterflybutterflies名词变复数名词变复数1一般在名词后面加上一般在名词后面加上“s”:bookbooks，bagbags 2以以s,x,sh,ch，等结尾的词加等结尾的词加“es”:busbuses，watchwatches3以辅音字母以辅音字母y结尾的词，变结尾的词，变y为为i加加es，babybabies以元音字母以元音字母 y结尾的名词变复数时，直接结尾的名词变复数时，直接加加s变复数，变复数，boy boys以f或或fe结尾的名词结尾的名词变复数 去掉去掉f，fe 加加ves half（一半）（一半）halves knife（小刀）（小刀）kniv

3、es leaf（树叶）（树叶）leaves wolf（狼）（狼）wolves wife（妻子）（妻子）wives life（生活）（生活）lives thief（小偷）（小偷）thieves“小偷小偷”(thief)的的“妻子妻子”(wife)用用“刀刀子子”(knife)和和“树叶树叶”(leaf)把把“狼狼”(wolf)劈成两劈成两“半半”(half)。请同学们选择正确的词形填空。请同学们选择正确的词形填空。1.I have two .A.watchs B.watches2.There are five .A.boxes B.boxs3.Our school has ten .A.clas

4、s B.classes4.What color are your?A.dress B.dresses.ABBB找规律tomatoespotatoesheroesradiosphotos找规律zoospianosoNegro-Negroesohero-heroesotomato-tomatoesopotato-potatoes可数名词复数变换规则规则5:有生命的以o结尾的名词变复数时，词尾加es;凡无生命的以o结尾的名词变复数时直接加s。zoo-photo-piano-radio-zoosphotosradiospianos黑人英雄爱吃西红柿土豆。negronegroespotatopotato

5、estomatotomatoesheroheroes(二二)不规则变化不规则变化男人女人男人女人 a 变变 e，鹅足牙，鹅足牙 oo 变变 ee；man-men;woman-women;goose-foot-feet;tooth-teeth老鼠虱子也好记，老鼠虱子也好记，ous 变变 ic；mouse-mice;孩子加上孩子加上 ren，鱼鹿绵羊不用变，鱼鹿绵羊不用变child-children;fish;deer;sheepthis-these(这些)that-those(那些)manmenwomanwomenfootfeetchildchildrensheepsheeptoothteeth

6、pianopianos以以o结尾，有生命的加结尾，有生命的加-es，无生命的加无生命的加-s tomatopotatotomatoespotatoes不规则名词复数不规则名词复数要用心记忆要用心记忆单项选择单项选择()1.The pig has four _.A.foot B.feet C.foots()2.My two brothers are both _.A.policeman B.policemans C.policemen()3.I can see ten _ in the picture.A.sheep B.dog C.pig()4.The girl often brushes h

7、er _ before she goes to bed.A.tooth B.toothsC.teethBCAC名词变复数A bookThis is a book.This is a chinese book.These are some books.Whats this?What are these?Its a book.They are books.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

8、.-What are those?-Whats that?-Its an English book.-They are English books.bagswatchesorangespens-Whatre these?-Theyre .mapscaseskeys-Whatre those?-Theyre .This _.These _.is a treeare two treesThese are some treesHe is a policeman.They are policemen.Its a box.There are 2 boxes.Its an apple.Id like so

9、me apples.Its a book.How many books do you have?五五 1.apple tree 2.factory work3.man doctor4.woman teacher1.apple trees2.factory workers3.men doctors 4.women teachers归纳：复合名词通常在后一个名词上变复数，但是含有woman 和 man 的复合名词，两者都要变复数将下列名词变复数（练习）将下列名词变复数（练习）1、orange 2、bus 3、book _4、box 5、piano 6、child _ 7、leaf 8、bed 9、

10、country _ 10、balcony 11、boy 12、foot _ 13、potato 14、photo 15、man _ 16、baby 17、tomato 18、watch _ 19、woman 20、knife 22、sheep_ balconiesboysfeetpotatoesphotosmenbabiestomatoeswatcheswomenknivessheepbooksboxeschildrenpianosleavesbedsbusesorangescountries1.There are so many_(leaf)on the trees.2.These _(to

11、mato)are red.3.There is some _(water)in the glass.4.My brother looks after two _(baby)练习练习leavestomatoeswaterbabiesthis that I you he/she/it am/is thesethoseweyoutheyare 单数单数 复数复数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?Th

12、ese are books.Those are erasers.They are red apples.We are boys.They are teachers.Whatre these?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?单复数句子转换单复数句子转换 1.This is a knife These are some knives.2.That is a box.Those are some boxes 3.She/He is a woman teacher.They are women teachers.易错题易错题 1.man2.woman3.Englishman4.German5.man teacher6.woman doctor 1.men2.women3.Englishmen4.Germans5.men teachers6.women doctors