名詞單復(fù)數(shù) (1)ppt課件

1、1CHOLOATECHOLOATE2名詞單復(fù)數(shù)名詞單復(fù)數(shù)3 可數(shù)名詞單數(shù)如何變化？復(fù)數(shù)規(guī)則變化不規(guī)則變化4變化規(guī)則 A、絕大多數(shù)的可數(shù)名詞的復(fù)數(shù)形式,是 在該詞末尾加上后輟-s。 例：friend friends; cat cats; picture pictures; sport sports; Exercise: doctor cap doctorscaps5例：bus buses; box boxes; fox foxes; match matches; Exercise:watch ; class watchesB、凡是以、凡是以s、x、ch 、sh 等結(jié)尾的詞，在該詞末尾加上后輟等結(jié)

2、尾的詞，在該詞末尾加上后輟 - es 構(gòu)成復(fù)數(shù)。構(gòu)成復(fù)數(shù)。 classes6 例：family famlies; city cities; dictionary dictionaries; Exercise: story baby C、以輔音字母、以輔音字母+y結(jié)尾的名詞，將結(jié)尾的名詞，將y改變?yōu)楦淖優(yōu)閕，再加，再加-es。storiesbabies7 potato potatoes; tomato tomatoes反例：piano pianos; photo photos; Exercise:negro(黑人黑人) ;hero (英雄英雄)D、以、以-o結(jié)尾的名詞，有生命的詞加結(jié)尾的名詞，有

3、生命的詞加-es而無生命的而無生命的 加加-s構(gòu)成構(gòu)成復(fù)數(shù)。復(fù)數(shù)。 negroesheroes黑人、英雄愛吃土豆和西紅柿8例：knife knives; life lives; leaf（樹葉） leaves; 反例：roof （屋頂） roofs Exercise: thief（小偷) ;half ； E、以、以-f或或-fe結(jié)尾的名詞，多為將結(jié)尾的名詞，多為將-f或或-fe改變?yōu)楦淖優(yōu)?ves，但有例外。但有例外。 thieveshalves9wife(妻子妻子)，knife(小刀小刀)wolf(狼狼)，thief(小偷小偷)shelf(架子架子)，self(自己自己)，life(生命生命

4、)，half(一半一半)，leaf(樹葉樹葉)。妻子持刀去宰狼，妻子持刀去宰狼，小偷嚇得發(fā)了慌；小偷嚇得發(fā)了慌；躲在架后要保命，躲在架后要保命，半片樹葉遮目光。半片樹葉遮目光。10六、部分單詞的復(fù)數(shù)形式不變。六、部分單詞的復(fù)數(shù)形式不變。 例：例：fish fish; sheep sheep; cattle cattle; deer deer11七、極少數(shù)單詞，其復(fù)數(shù)形式?jīng)]有任何規(guī)律。七、極少數(shù)單詞，其復(fù)數(shù)形式?jīng)]有任何規(guī)律。 例：例：man men; woman women; child children; people people ; man men; woman women; child

5、children; people people ; 12專項練習(xí) 寫出下列名詞復(fù)數(shù)寫出下列名詞復(fù)數(shù) 1.leaf_ 2.box_ 3. knife_ 4.fox_ 1.leaf_ 2.box_ 3. knife_ 4.fox_ 5.bus_ 6.ruler_ 5.bus_ 6.ruler_ 7.story_ 8.family_ 9.child_ 10.tooth_ 7.story_ 8.family_ 9.child_ 10.tooth_leaves boxesknives foxesbusesrulersstoriesfamilieschildrenteeth13用所給的單詞的復(fù)數(shù)的正確形式

6、填空：用所給的單詞的復(fù)數(shù)的正確形式填空：1I have two _ (pencil-box). 2There are three _(chair) in the classroom.2There are three _(chair) in the classroom.3These _ (tomato) are red. 3These _ (tomato) are red. 4_(hero) are great.4_(hero) are great.5My brother looks after two _(baby)5My brother looks after two _(baby)6The

7、re are some _(deer) eating the grass.6There are some _(deer) eating the grass.pencil-boxes chairstomatoesHeroesbabiesdeer14選出正確形式1I can see three _ in the zoo. A monkeys B monkeys C monkey2.The pig has four _.foot B. feet C. foots3.My two brothers are both _.A. policeman B.policemans C. policemen4.The _ has thr