名词单数变复数课件.pptx

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1、名词变复数Welcometomyclass!名词(nouns)：人或事物的名称。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：anapple、twoapples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*acar*abook在元音发音开头的单词前用an*anelephant*anapple*anhour请区别：ausefulmachine1.复数形式的构成方法(1)一般在复数名词后

2、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namepencardrulernamespenscardsrulersboxboxesclassclasseswatchwatchesbrushbrushesbusbusesfoxesfoxd

3、ishdishesphotophotostomatoeszooszootomatoBESTcarIsthisyour?Aretheseyourcars?Yes,itis./No,itisn't.Yes,theyare./No,theyaren't.It'sgreen.Whatcolourisyourdress?Whatcolourareyourdresses?They'regreen.dressdresses(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：

4、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。keycitiesstrawberrieskeyscitystrawberry练习familyfamiliescomediescomedyboyboysday

5、dayswivesleaveswolveswifeleafwolfroofroofsBEST特殊变化的单词(1)单复数同形Chinese–Chinesefish–fishJapanese–Japanesesheep–sheep(2)变元音字母oo为eetooth–teethfoot–feet3.变man为menman–menwoman–womenpoliceman–policemenFrenchman–Frenchmen请区别：German(德国人)–Germans4.其它形式child–childrenmouse–mice5.一些合成名词的复

6、数构成分两种情况(1)将中心词变为复数girlfriend–girlfriendsgrandchild–grandchildren(2)man,woman构成的合成词，每个名词都要变成复数amandoctor–mendoctorsawomanteacher–womenteachers6.常以复数形式出现的名词peopleclothespolicepantstrousersglassesglovesshoese这些名词作主语时，注意它们的谓语用复数*Myclothesarenewerthanyours.*Thepoliceoftencomeher

7、e.7.可用howmany，many，afew，few，any，lotsof,some，alotof等修饰可数名词复数*Thereareafewpeopleinthepark.*Howmanyknivesarethereinyourpencil-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*Somebreadisoverthere.*Nonewsisgoodnews.2.常用howmuch,much,alittle,little,alotof,some

8、,any来修饰不可数名词*Theyhadmuchmoney.注意：可数名词也可用量来表示，of后用复数*Therearetwobagsofclothe