七年级英语encyclopaedias课件1

Unit 5 Encyclopaedias Language,Countable & Uncountable Noun,广州市第十八中学 黄雪兰,可数与不可数名词,Countable & Uncountable Noun,请分类：water, egg, air, music, animal policeman,egg,animal,policeman,water,air,music,eggs,animals,policemen,-,Countable and Uncountable Nouns 可数和不可数名词,rule,clouds,moutains,flowers,可数名词一般是直接在名词后面加“S”,watches,boxes,fishes,buses,rule,rule,以字母 s, sh, x, ch结尾的单词，变为复数时在其后加es,dish-,bus-,fox-,fish-,dishes,buses,foxes,fish ,fishes (种类),hero-heroes,tamato-tamatoes,potato-potatoes,buffalo-buffaloes,rule,骑着水牛（buffaloes）的英雄们(heroes)爱吃西红柿(tamatoes)和马铃薯(potatoes)。,其他以“o”结尾的单词直接加“S”,piano-,radio-,photo-,city-,key-,rule,元音字母+y结尾的：y-+s,cities,keys,leaves,rule,以f或者以fe结尾的单词，通常把f或者fe变成v,再加es,例：wife, knife, life,小结：可数名词复数的构成方法：,一般在名词后加-s：,dog-dogs,2.以s, x, ch, sh结尾的名词加- es,watch-watches,3.以辅音字母加 y 结尾的名词加- es,country-countries,4.以o结尾的名词，一般直接加-s, 少数词加-es,potato-potatoes tomato-tomatoes,5.以f,fe结尾的名词，一般变f, fe为v再加-es,6.特殊变化的单词要熟记,child-children man-men tooth-teeth,knife-knives,rule,复合词的复数：改中心词为复数,girl students,例外：,woman teacher-women teachers man teacher -men teachers,police publicfamily （家人）people（人们）the + 姓s 例：the Smiths,表示复数的名词（复合名词）,史密斯一家人,My family (be) a big one. All my family (be) in China now.,is,are,news politicsmathsphysicsthermos,看似复数实际是单数的名词：,消息,政治,数学,物理,热水壶,1. No news good news. (be)2. I think maths very important.,is,is,chicken 小鸡 / 鸡肉room 房间 / 空间；位置work 作品/ 工作 paper 论文; 报纸/ 纸 glass 玻璃杯 / 玻璃 time 次；倍 / 时间 wood 树林 / 木头 fish 鱼 / 鱼肉 exercise 练习 / 运动；锻炼light 灯 / 光 fruit (各种)水果 / 水果,既可作可数又可作不可数的名词：,rule,需要记忆的特殊复数形式：manmen woman-women（例外：German-Germans） tooth-teeth foot-feetmouse-micechild-childrendeer-deer sheep-sheepChineseChinese JapaneseJapanese,What nice weather (天气)!,I have so much work to do.,What fun it is!,music,information,advice 建议,news 消息,常用不可数名词,much,a little,many,a fewa number of,some / a lot of,不可数名词,可数名词,可数不可数名词,不可数名词不能与数词连用，若要表示相应的数量，则需要借助一定的单位词,借助表示“张”、“块”的单位词,a piece of paper 一张纸 a piece of advice 一条建议a piece of news 一条新闻 a piece of chalk 一支粉笔,2.借助表示容量的词,a bottle of ink 一瓶墨水 a cup of tea 一杯茶a bowl of rice 一碗米饭 a glass of beer