可数名词的单数和复数.doc

可数名词的单数和复数 可数名词分为单数和复数。名词单数就是该词本身，在其前面加a或an。1.单数如a desk（一张桌子）an old desk（一张旧书桌）2. 复数：要表示一个以上概念时，要用名词复数形式规则变化1）一般情况下加-s如book-books（书）desk-desks（书桌）2）以s ,x ,ch , sh结尾加-es如box-boxes（盒子）bus-buses(公共汽车)注意以 th 结尾加-s, month-monthsstomach-stomachs3)以辅音字母+结尾，变y为i再加- es。如city-cities(城市) country-countries(国家)注意以元音+y，直接加s。如：day-days(天)，boy-boys(男孩)4)以f或fe结尾，复数变f或 fe 为v再加-es如knife-knives(书) , half-halves(一半)(thief ,wife ,life ,shelf ,knife ,leaf ,self ,half ,wolf)注意有少数词后直接加s，如roof-roofs (屋顶)5)以o结尾(1)有生命的加-es如tomato-tomatoes(西红杮)potato-potatoes(土豆)(2)无生命的加-s如piano-pianos (钢琴), zoo-zoos(动物园)photo-photos (照片), kangaroo-kangaroos(袋鼠)kilo-kilos(千克)不规则变化1)元音字母发变化。 如man-men(男人)， woman-women(妇女) tooth-teeth(牙齿) ， foot-feet(脚) mouse-mice(老鼠) ， policeman-policemen(警察) policewoman-policewomen(女警察) 2)词尾发生变化。 如child-children(小孩) ， ox-oxen(公牛) 3)单、复数形式相同。 如fish-fish(鱼)，sheep-sheep(绵羊)，deer-deer(鹿)，Chinese-Chinese(中国人)，Yuan-Yuan(元)，jinn-jinn(斤) 注意 不说an English，要说an Englishman.fish作鱼肉讲时不可数，没有复数。 fishes指各种不同种类鱼或指几条鱼。 4)形似单数，实为复数意义。 如people(人，人们)these people (不说a people，可说a person) police(公安，警察)ten police (不说a police，可说a policeman) 5)由man和woman构成的合成名词，变复数将名词及man或woman都变成复数。 如a man driver-men drivers(男司机) a woman doctor-women doctors (女医生)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）不可数名词的数量关系可借助量词表示，如。a cup of tea two cups of tea名词复数练习题1）.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)2）选择填空1. They come from different _A. country B. countries C. a country D. countrys2. How many _ do you see in the picture?A. tomatos B. tomatoes C. tomato D. the tomato3. There are some _ in these _.A.knifespencil-boxes B.knivespencils-boxC.knivespencil-box D.knivespencils-boxes4. There is no _ in the plate.A. apples B. oranges C. rice D. eggs5. _are good for our health.A. Tomatos B. Tomatoes C. Tomato6. I like to eat cake with _.A. cherries B. cherry C.cherrys7. _ and _ are not friends.A. Foxswolfs B. Foxeswolfs C. Foxeswolves8. Do you want to drink much ? A、a milk B、milk C、milks9. Do you want some for supper? A、a potato B、potatoes C、potatos10.In autumn，you can see a lot of on the ground. A、leaf B、leafs C、leaves11.My sister has two . One is old，the other is new. A、a watch B、watchs C、watches12.There on the wall .They are very beautiful.A. are photoes B. are photos C. is a photo D. is photos13. There two in the box. A. is watch B. are watches C. are watch D. is watches3）请用括号中名词的复数形式填空1 Look at those _. (child)2 I can see a _ standing near the door. (policeman)3 Do you want some _ for dinner? (potato)4 In autumn, you can see a lot of _ on the ground.(leaf)5 He has two _.One is blue , the other is yellow.( box)6 Two _ live in this building .( family )4）选择正确的词形1 How many (radioes, radios) can you see?2 There are 36 (boys, boies) in my class.3 Look at those (sheeps, sheep).4 I dont want (a, an) old cup.5 Give me that (box, boxes), please.5）将以下单复数句进行转换1 This is a knife. _2 That is a tomato. _3 That child is very good._4 . These are mice. _5 Those are children. _6)写出下列单词的复数I _him _this _he