名词单数变复数ppt课件.pptx
名,词,变,复,数,Welcome to my class!,名 词,专有名词,普通名词,个别的人或事物、地点、国家等。例如：Gina、China。首字母要大写。,不可数名词 例：milk、bread、paper,可数名词 例：an apple、two apples,既可数又不可数 例： chicken 可数时表 示小鸡， 不可数时表示鸡肉,BEST,名词的单数形式,一般可用a来修饰 * a car *a book 在元音发音开头的单词前用 an * an elephant * an apple * an hour 请区别： a useful machine,1.复数形式的构成方法 (1) 一般在复数名词后加“s”/s/or/z/ * dog dogs * book books,名词的复数形式,(2) 以s、x、ch、sh 、o结尾的名词加“es”/iz/、/z/ *box boxes *watch watches * radio radios * zoo zoos,黑人( Negroes),(heroes)英雄,西红柿(tomatoes),土豆(potatoes),黑人英雄爱吃西红柿和土豆,练习,name,pen,card,ruler,names,pens,cards,rulers,box,boxes,class,classes,watch,watches,brush,brushes,bus,buses,foxes,fox,dish,dishes,photo,photos,tomatoes,zoos,zoo,tomato,BEST,car,Is this your,?,Are these your,cars,?,Yes,it is./No,it isnt.,Yes,they are./No,they arent.,Its green.,What colour is your dress?,What colour are your dresses?,Theyre green.,dress,dresses,(3)以辅音字母加y结尾的名词,变y为i加“es” /iz/ * country countries * factory factories,请区别：如果是元音字母加y 结尾的名词则只须加“s” * boy boys * monkey monkeys,(4) 以f、fe 结尾的名词,变f、fe 为v再加“es” /vz/*wife wives *knife knives *wolf wolves *thief thieves * shelf shelves * half halves * leaf leaves,妻子持刀去宰狼，小偷见了发了慌。躲在架后保己命，半片树叶遮目光。,key,cities,strawberries,keys,city,strawberry,练习,family,families,comedies,comedy,boy,boys,day,days,wives,leaves,wolves,wife,leaf,wolf,roof,roofs,BEST,特殊变化的单词,(1)单复数同形 Chinese Chinese fish fish Japanese Japanese sheep sheep,(2)变元音字母oo为ee tooth teeth foot feet,3.变man为 men man men woman women policeman policemen Frenchman Frenchmen 请区别：German(德国人) Germans,4. 其它形式 child children mouse mice,5.一些合成名词的复数构成分两种情况 (1)将中心词变为复数 girlfriend girlfriends grandchild grandchildren,(2) man , woman 构成的合成词，每个名词都要 变成复数 a man doctor men doctors a woman teacher women teachers,6.常以复数形式出现的名词 people clothes police pants trousers glasses gloves shoese 这些名词作主语时，注意它们的谓语用复数 * My clothes are newer than yours. * The police often come here.,7.可用how many，many，a few，few，any，lots of, some，a lot of 等修饰可数名词复数 *There are a few people in the park. *How many knives are there in your pencil-box?,不可数名词,物质名词和抽象名词属于不可数名词如: water，rice，fish，meat 等。,1.不可数名词无复数，作主语时常看成单数 *Some bread is over there. *No news is good news. 2.常用how much, much, a little, little, a lot of, some, any来修饰不可数名词 *They had much money.,注意：可数名词也可用量来表示， of 后用复数 * There are two bags of clothes over there. * We have five boxes of apples.,
