初中英语语法名词考点一可数名词的复数形式1. 规则变化情况一般情况以 s,x,ch,sh 结尾以辅音字母加 y 结尾以元音字母加 y 结尾以 o 结尾构成方法加-s加-es将 y 变为 i 再加-es只加-s加-es例词pen-pens;map-mapsdoctor-doctors;bus-buses;box-boxes;watch-watches; brush-brushesfactory-factories;family-familiesboy-boys; day-daysNegro-Negroes;hero-heroes;potato-potatoes;tomato-tomatoes巧记:黑人英雄喜欢吃土豆和西红柿。(两人两菜)photo-photos;radio-radios;piano-pianosWife-wives;thief-thieves;shelf-shelves;knife-knives;wolf-wolves;half-halves;leaf-leaves; life-lives巧记:妻见小偷架下藏,手拿小刀想杀狼,谁知落下半片页,砸在头上一命亡。roof-roofs加-s以 f 或 fe 结尾将 f 或 fe 变为 v 再加-es加-s2. 不规则变化(1)man-men;woman-women;child-children;foot-feet;tooth-teeth;goose-geese;mouse-mice巧记:男女孩子脚步牙鹅加老鼠。(2)单复数相同:sheep-sheep; deer-deer; fish-fish注意:fish 强调鱼的条数的时候,单复数同形;强调鱼的种类的时候,复数形式要加-es,即 fishes.(3)某国人变复数的歌诀:中日不变英法变,其余-s 加后面。Chinese-Chinese; Japanese-Japanese; Englishman-Englishmen; Frenchman-Frenchmen;American-Americans(4)有些名词本身是复数形式,如:clothes; pants; trousers; jeans; shorts; glasses; people等。1注意:people 当“人们”讲时,本身是复数形式;当“民族”讲时,是单数形式,其复数要在末尾加-s。如:a people; 56 peoples3. 复合名词的数(1)一般情况下把后面一个名词变为复数,作定语的名词不变。a girl student -------------- five girl students;an apple tree ------------- en apple trees(2)由 man 和 woman 构成的复合名词,变复数时要把名词和 man/woman 同时变为复数。a man doctor ------------ three men doctors;a woman teacher ---------------- six women teachers(3)sport 作定语修饰其他名词时,无论主题词是单数还是复数,sport 通常用复数形式。A sports club; sports shoes注意:时间名词作定语有两种形式:两天的假期 a two-day holiday 或 two day’s holiday十分钟的路程 a ten-minute ride 或 a ten minute’s ride对点集训:...