初三英语可数名词单数变复数复习专题课件.pptx
可数名词单数变复数复习专题,难点:正确掌握可数名词单数变复数的各种变化规则,an apple,two apples,a pen,three pens,可数名词单数变复数还有哪些变化规则呢?,一、请写出下列名词的复数形式并归纳其复数的变化规则。1.car_ tree_ dog_ 2.box_watch_bus_ brush_3.city_country_baby_小结变化规则:,【用法表解】1.可数名词可数名词单数变复数的规则变化:,1.一般在词尾加-s,cake cakes 蛋糕student students 学生,2.以s,x,sh,ch结尾的加-es,brushbrushes刷子watchwatches手表,3.以“辅音字母+y”结尾的词,把y变为i,再加-es,citycities城市factoryfactories工厂,二、请写出下列名词的复数形式并归纳其复数的变化规则。4.knife_leaf_thief_5.photo_radio_ zoo _ 6.tomato_ potato_ hero_小结变化规则:,4.以f或fe结尾的词,一般把f或fe改为v,再加-es,wifewives妻子wolfwolves狼,以o结尾的可数名词,6.有生命的加-es,potatopotatoes土豆tomatotomatoes西红柿,5.无生命的加-s,photophotos照片pianopianos钢琴,【巧学妙记】(1)巧记变f/fe为v加-es的名词:树叶(leaf)半数(half)自己(self)黄,妻子(wife)拿刀(knife)去杀狼(wolf),架(shelf)后小偷(thief)逃命忙。(2)以o结尾的表示有生命名词:黑人(Negro)英雄(hero)喜欢吃西红柿(tomato)和土豆(potato),三、不规则变化:7.man_ woman_ child _8.mouse_ tooth_ foot _9.Chinese_Japanese_deer(鹿)_ sheep(羊)_ 小结变化规则:,(3)一句话巧记名词复数的不规则变化:变内部元音:manmen,womanwomen,childchildren(除外),footfeet,mousemice,toothteeth(男女孩子的脚踩住老鼠的牙)单复数同形的可数名词:Chinese(中国人),Japanese(日本人),fish(鱼),deer(鹿),sheep(绵羊)(中日鱼鹿羊)各国人变复数:(中日不变英法变,其他s加后面。)即Chinese,Japanese单复数同形;Englishman,Frenchman中man变为men;其余各国人如German,American,Australian,Indian等均在后面直接加-s。,中考链接:1.For breakfast,Tina would like some milk and(蛋糕).2.We should brush our after getting up every morning.A.tooth B.tooths C.toothes D.teeth3._Hey,boys.Look at the fallen(落下来的)._Well,its telling us that autumn is coming.A.leaf B.leafs C.leafes D.leaves4.Id like some and.A.banana;tomato B bananas;tomatos C.bananas;tomatoes D.banana;tomatoes 5.Many foreigners came to our school last week,including three and four.A.Japanses;German B Japanseses;Germans C.Japanses;Germans D.Japanses;German,cakes,Sum up(总结):,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.,4.以f或 fe结尾的名词,先将f或 fe变为v,再加-es.,5.以o结尾的名词,表示无生命事物的名词加-s.,规则变化,6.以o结尾的名词,表示有生命事物的名词加-es.,不规则变化,只要记住三句口诀:1.男女孩子的脚踩住老鼠的牙。(改变内部元音)2.中日鱼鹿羊。(单复数同型)3.中日不变英法变,其他s加后面。(国家人名复数变化),Homework,1.Please review what we have learned in this class!,2.查找复合名词单数变复数有哪些情况?,3.查找归纳只有复数形式的名词,Thank you,everyone!Bye-Bye,