1.名词的分类
2.名词的单数变复数的规则 情况 一般情况 以y结尾 +y 辅音+y 以f/fe结尾 以s、x、ch、sh结尾 以o结尾 规则 +s +s 例子 pen--pens, pencil--pencils Boy--boys, toy--toys 去y加ies ①：+s ②：去f/fe加ves +es 有生命的名词+es 无生命的名词+s city--cities belief→beliefs roof→roofs safe→safes gulf→gulfs wolf—woves knife--knives watch--watches tomato—tomatoes hero--heroes zoo--zoos piano--pianos piano photo zoo hippo radio 钢琴上面放照片，照片里是动物园，动物园里有河马，河马在听收音机 特殊 情况 oo-ee man-men 中日不变英法变，其余s加后面 +ren\\en 单复同行 集合名词 以S结尾，仍是单数的名词 ouse-ice
+s goose--geese tooth--teeth foot--feet man--men woman--women policeman--policemen Englishman--Englishmen German--Germans child--children ox--oxen Chinese Japanese deer sheep fish People police cattle maths physics news(不可数名词) mouse--mice louse--lice 名词的单数变复数的练习：
写出下列名词的复数形式；
1.pencil___________ 5.leaf_____________
2.watch____________ 3. tooth__________ 6.knife____________
7.box.__________
4.child__________ 8.deer___________ 12.glass_________ 16.puppy______ 9. family___________ 10.city_____________ 11.fruit__________ 13.class__________ 14.mouse___________ 15.toy___________ 17.fly_________ 21.brush_______ 25.ruler______ 29.man______ 33.key______ 37.eraser______ 41.goose____ 45.foot______ 49.hero_______ 53.goat ______
18.fox_________ 22.kiss____ 26.each________ 30.roof_______ 34.story___ 38.speech______ 42.people______ 46.child___ 50.spy______ 54.radio ________
19.bus_________ 23.church______ 27.boy______ 31.sheep_______ 35.day_____ 39.thief______ 43.ox_____ 47.tooth_______ 51.boss_____ 55.horse ______
20.bench_______ 24.dish_____ 28.zoo___ 32.lady______ 36.apple_______ 40.fish___ 44.Chinese_______ 48.guy________ 52.monkey______ 56.dog ______
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