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1、名词单复数,变化规则,一、绝大多数的可数名词的复数形式，是在该词末尾加上后辍-s。 例：friend friends; cat cats; style styles; sport sports; piece pieces 二、凡是以s、z、x、ch 、sh 结尾的词，在该词末尾加上后辍 -es 构成复数。 例：bus buses; quiz quizzes; fox foxes; match matches; flash flashes,三、以辅音字母+y结尾的名词，将y改变为i，再加-es。 例：candy candies; daisy daisies; fairy fairies; lad
2、y ladies; story stories 四、以-o结尾的名词，加-es或 加-s构成复数。 例：tomato tomatoes; potato potatoes; 反例：piano pianos; photo photos; macro macros（缩写词）,五、以-f或-fe结尾的名词，多为将-f或-fe改变为-ves，但有例外。 例：knife knives; life lives; leaf leaves; 反例：roof roofs 六、部分单词的复数形式不变。 例：fish fish; sheep sheep; cattle cattle; deer deer,七、极少数单
3、词，其复数形式没有任何规律。 例：man men; woman women; child children; person people ; goose geese,专项练习,写出下列名词复数 leaf_ box_ knife_ fox_ bus_ dish_ ruler_ glass_ pencil_ boy_ zoo_ man_ sheep_ key_ story_ bamboo_ family_ day_ fish_ goose_ Chinese _ deer _ foot_ child_ tooth_ hero_ boss_ monkey_,用所给的单词的复数的正确形式填空： 1I h
4、ave two _(pencil-box). 2There are three _(chair) in the classroom. 3These _(tomato) are red. 4_(hero) are great. 5My brother looks after two _(baby) 6There are some _(deer) eating the grass. 7My father likes to eat _(potato). 8Chinese _(people)like to eat noodles. 9I have a lot of _(toy) in my bedro
5、om. 10I help my mother wash _(dish) in the kitchen.,选出正确形式 1I can see three _ in the zoo. A monkeys B monkeys C monkey 2.The pig has four _. foot B. feet C. foots 3.My two brothers are both _. policeman B. policemans C. policemen 4.There are four _ in the class. Japanese B. Japaneses C. Japan 5.I ca
6、n see ten _ in the picture. A. sheep B. dog C. pig,6.The _ has three_. boys, watches B. boy, watch C. boy, watches 7.C an you see _on the plate? A. bread B. breads C. breades 8.The girl often brushes her_ before she goes to bed. tooth B. toothsC. teeth 9.Mr Black often drink some _. A. milk B. milks C.milkes 10.There are some _ on the floor. A. child B. water C. books,