名词:表示人、事物或者抽象概念的词叫做名词。定义 一、大多情况,词尾直接加 -s map-maps car-cars book-booksapple-apples cat-cats dog-dogs规则变化 二、以 s,sh,ch,x,z 结尾的名词,在词尾加 -esbus-buses watch-watches box-boxesdress-dresses brush-brushes buzz-buzzes 三、辅音字母 +y 结尾的名词, y 变 i 再加esfamily-families baby-babiesstudy-studies city-cities 四、词尾是 f 或 fe 时,去 f 或 fe 加 vesknife-knives wolf-wolves half-halves life-lives leaf-leaves wife-wives thief-thieves 五、以 o 结尾的名词,可加 s 或 esnegro-negroes hero-heroestomato-tomatoes potato-potatoes 记住特例:黑人英雄喜欢吃西红柿和土豆Negro ['ni:grəu] n. 黑人 adj. 黑人的其余以 O 结尾的词都是家 Sphoto-photos zoo-zoos piano-pianos man-men woman-womengoose-geese foot-feet tooth-teethgoose [gu s] ːn. 鹅;鹅肉;傻瓜;雌鹅一、男人女人 a 变 e ,鹅牙足 oo 变 ee二、老鼠虱子也易记, ouse 变 icemouse-mice louse-lice不规则变化 三、孩子加上 ren ,美人鱼鹿绵羊不用变child-children people-peopledeer-deer fish-fish sheep –sheep 规则变化形式不规则变化形式Review P r a c t i c e• map---• tree---• book---• photo---• potato---• watch---• mouse---• baby---• sheep---• child---• foot---• knife---• wife---• tomato---• hero---• box--- A n s w e r • map---maps• tree---trees• book---books• photo---photos• potato---potatoes• watch---watches• mouse---mice• baby---babies• sheep---sheep• child---children• foot---feet• knife---knives• wife---wives• tomato---tomatoes• hero---heroes• box---boxes Homework 合成名词是否也有复数?如果有,那应该怎么变呢?