一、名词名词可以分为可数名词与不可数名词，其中可数名词具有单、复数的形式；而不可数名词没有复数形式。
1. 从单数变复数，变形规则如下：1．一般情况下，直接加-s，如：book-books, bag-bags, cat-cats, bed-beds2．以s. x. sh. ch结尾，加-es，如：bus-buses, box-boxes, watch-watches3．以“辅音字母+y”结尾，变y为i, 再加-es，如：family-families（家庭）,strawberry-strawberries（草莓）4．以“f或fe”结尾，变f或fe为v, 再加-es，如：knife-knives5．不规则名词复数：man-men, woman-women, policeman（男警察）-policemen, policewoman（女警察）-policewomen, mouse-micechild（孩子）-childrenfoot-feet,. tooth-teethfish-fish, sheep（羊）-sheep people-people, Chinese-Chinese, Japanese-Japanese,当people后加上s时即peoples表示“民族”例如：There are 56 peoples in China. 中国有56个民族。
2.以下词为常为不可数名词，他们的复数形式就是他们本身。
Water(水) milk(牛奶) tea(茶) rice(米饭) orange（橙汁）juice（果汁）bread（面包）练习题写出下列各词的复数I _________this ___________that___________watch _______child _______photo ________diary _________day________ foot________ book_______ dress ______________tooth_______ sheep ______box_______ strawberry _____________thief _______yo-yo ______ peach______ sandwich _______________man______ woman_______ paper_______ juice____________________water________ milk________ rice__________ tea_______________-注意be 动词遇到名词时的运用: 单数名词用is, 复数名词全用are.名词单复数讲解及练习名词单复数（1）名词可以分为可数名词和不可数名词，不可数名词没有单复数，一律看作单数。
（2）可数名词的单数前什么时候用a，什么时候用an？答：以元音音标（或音素）开头的用an。
以辅音音标（或音素）开头的用a。
注意：我们看的是音标（或音素），而不是元音字母。
一、选择a或an或不填（用/表示）pen bagapple big applebanana orangeoranges orange pen（3）可数名词的变化规则：①一般在词尾加s，如：books，bags，fruits。
加s之后的读音②以s、x、ch、sh结尾的名词加es，③以辅音字母加y结尾的名词，变y为i再加es，读[iz]；以元音字母加y结尾的名词直接在词尾加s。
如：baby —— babies④以f、fe结尾的名词变f、fe为ves,如：wolf [wulf] 狼——wolves wife（妻子）— life（生命）—knife —⑤以o结尾的名词加es 的有：如：zoo——zoos photo——photos（4）名词复数的不规则变化：man—men男人 woman[wumEn]—women [5wimin] 女人tooth [tu:W]—teeth [ti:W] 牙齿foot [fut]—feet [fi:t] 脚，英尺goose [gu:s]—geese [gi:z] 鹅mouse [maus] —mice [mais] 老鼠②child [tFaild]—children [5tFildrEn] 孩子③单复同形的名词有：chinese [5tFaini:z] 中国人Japanese [7dVApE5ni:z]日本人sheep [Fi:p] 绵羊deer [diE] 鹿fish [fiF] 鱼注意：fish①当一条鱼讲时，单复数同形，如three fish.②当各种各样的鱼讲时，即强调鱼的种类时，要加es.如：all kinds[kaindz] of fishes .各种各样的鱼③当鱼肉讲时，不可数。
一、名词复数规则1．一般情况下，直接加-s，如：book-books, bag-bags, cat-cats, bed-beds2．以s. x. sh. ch结尾，加-es，如：bus-buses, box-boxes, brush-brushes,watch-watches3．以“辅音字母+y”结尾，变y为i, 再加-es，如：family-families, strawberry-strawberries 4．以“f或fe”结尾，变f或fe为v, 再加-es，如：knife-knives5．不规则名词复数：man-men, woman-women, policeman-policemen, policewoman-policewomen, mouse-micechild-childrenfoot-feet,.tooth-teethfish-fish, people-people, Chinese-Chinese, Japanese-Japanese1. I have two_____ (knife)2. There are many _____ here. (box)3. There are many _____ on the road. (bus)4. A few _____ are drawing on the wall. (boy)5. The _____ are playing football now. (child)兔儿们，元宵节就要到了，Happy the Lantern Festival !元宵节快乐呀，代我向你们全家问好。
the Lantern Festival （元宵节）。
今天我们一起来回顾一下，名词复数形式的变化规则；1.大多数情况下，直接加s2.以 s x sh ch结尾的名词变复数，加es3. 以 f fe 结尾的名词变复数，把 f fe 变为ves.4. 以辅音字母加y 结尾的名词变复数，把y 变 i 再加es. 例如，family 以辅音字母l 加y 结尾，所以复数形式为families,boy也是以y 结尾的，但它是以元音字母o加y结尾的，所以复数形式为boys5. 有些以字母o 结尾的名词变复数加es,例tomato es,potato es6.还有一些不规则变化的，需要同学们分清记牢。
如sheep——sheep，child------ children二、练习题。
<一>、写出下列名词的复数形式1、orange2、class3、text4、monkey5、piano6、child7、shelf8、bed9、country10、family 11、toy 12、foot13、Japanese 14、radio 15、photo16、army 17、tomato 18、fox19、woman 20、knife 22、sheep <二>、选择填空1、There on the wall .They are very beautiful.A. are photoesB. are photosC. is a photoD. is photos2. This kind of car made in Shanghai.A. is B .are C .were D .has3. There are four and two in the group.A. Japanese, Germen B Japaneses, GermenC. Japanese,German C.Japanese, Germans4. That’a art book.A. anB. aC. the D are5. The boys have got already.A. two breadB. two breadsC. two pieces of breadD. two piece of bread6. The old man wants .A. six boxes of applesB. six boxes of appleC. six box of applesD. six boxs of apples7. There some in the river.A. is ,fishB. are, fishsC. is, fishsD. are ,fish8. There two in the box.A. is watchB. are watchesC. are watchD. is watches9. We should clean twice a day.A .our tooth B. our toothsC.teethD.our teeth10.The _____ meeting room is near the reading room.A.teacherB.teacher’sC.teachers’D.teachers11. In Britain _____ are all painted red.A.letter boxesB.letters boxesC.letter boxD.letters box1）选择填空1. They come from different ______A. countryB. countriesC. a countryD. countrys2. How many ______ do you see in the picture?A. tomatosB. tomatoesC. tomatoD. the tomato3. They are______.A . woman teachers B. women teachersC. women teacherD. woman teacher4. Would you like _______ ,please?A. two glass of waterB. two glasses of waterC. two glass of watersD. two glasses of waters5. Most of ______ live in _______.A. Germans, GermanB. German, GermenC. Germen, GermanyD. Germans, Germany6. There are some ______ in these _______.A.knifes…pencil-boxesB.knives…pencils-boxC.knives…pencil-boxD.knives…pencils-boxes7. ______ like ______ by air.A. Greens, travellingB. The Green, travelingC. The Greens, travelD. The Greens, traveling8. I wonder why ______ are interested in action films(武打片).A. the peopleB. peopleC. peoplesD. the peoples9. There is no ______ in the plate.A. applesB. orangesC. riceD. eggs2）.填入所给名词的正确形式1. I have two_____ (knife)2. There are many _____ here. (box)3. There are many _____ on the road. (bus)4. A few _____ are drawing on the wall. (boy)5. The _____ are playing football now. (child)1）写出下列名词的复数形式。