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1、- 名词变复数规则1.一般情况下，直接加s，如：apple-apples,pig-pigs,book-books等2.如果单词以s、sh、ch、x结尾的名词，加es，如：bus-buses(公车),class-classes(班级), watch-watches(手表),box-boxes(盒子),fox-foxes(狐狸)3.以y结尾的单词，元音字母+y的，直接加s:例如：boys 、babys;如果单词以辅音字母+y结尾的名词，把y改成i加es，如：family-families(家庭),strawberry-strawberries(草莓)story-stories(故事)4. 如果单词
2、以f或fe结尾的名词，把f或fe改成v加es，如：wife-wives, knife-knives5. 如果单词以”o结尾：（1）有生命的，加es，如：potato-potatoes,tomato-tomatoes,hero-heroes (这 三个词的记忆口诀-”英雄“爱吃”土豆“和”西红柿“)（2）无生命的，加s，如：photo-photos(照片),radio-radios(收音机)6.将“oo”改为“ee的名词，如：tooth-teeth(牙),foot-feet(脚),goose-geese(鹅)7.单复同形的名词： fish-fish, sheep-sheep(绵羊),paper-
3、paper(纸), people-people(peoples表示“民族”)8.不规则变化的名词：变化口诀(一)规则变化名词单数变复数，直接加 -s 占多数；s, x, z, ch, sh 来结尾，直接加上 -es；词尾是 f 或 fe，去掉f或fe再加上ves；wife-wives,knife-knives,wolf-wolves leaf-leaves (妻子”拿着“小刀”杀了“狼”)辅音 + y 在词尾，把 y 变 i 再加 -es；元音+y在词尾, 只加s就足够词尾字母若是 o，常用三个已足够，要加 -es 请记好，hero, tomato, potato。美国黑人和英雄爱吃土豆和西红
4、柿。negro-negroes; hero-heroes; potato-potatoes; tomato-tomatoes其余o结尾的词加s, photo-photos; piano-pianos (二) 不规则变化 男人女人 a 变 e，鹅足牙 oo 变 ee；man-men; woman-women; goose-geese; foot-feet; tooth-teeth老鼠虱子也好记，ous 变 ic；mouse-mice; louse-lice孩子加上 ren，鱼鹿绵羊不用变child-children; fish; deer; sheepthis-these(这些) I - we
5、he/she- theythat - those(那些)（1）man-men, woman-women (记法-“男人”“女人”将a改e) 延伸：policeman-policemen, policewoman-policewomen（2）child-children（孩子）（3）mouse-mice(老鼠）（4）根据中文意思变化的名词，如：I-we(我-我们), you-you(你-你们), that-those(那个-那些） he/she/it-they(他/她/它-他们), this-these(这个-这些), 选择题1. They come from different _A. cou
6、ntry B. countries C. a country D. countrys2. How many _ do you see in the picture?A. tomatos B. tomatoes C. tomato D. the tomato3. I want three white paper. A、pieces B、piece of C、pieces of4We visited house yesterday. A、Tom B、Toms C、Toms填入所给名词的正确形式1. I have two_ (knife)2. There are many _ here. (box)
7、3. There are many _ on the road. (bus)4. A few _ are drawing on the wall. (boy)5. The _ are playing football now. (child)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.-第 1 页-