小学四年级 名词单复数
1.一般情况下,直接加s,如:apple-apples,pig-pigs,book-books等
课中实例:bottles,blouses,centres,chocolates,classmates, uncles, fires, engines, homes, mooncakes, noodles, nurses, peddles,pictures, post offices, riddles, snakes, spiders, stones
2.以s、sh、ch、x结尾的名词,加es,如:bus-buses(公车),class-classes(班级),fish-fishes(此时的fish当“鱼的种类”讲),watch-watches(手表),box-boxes(盒子),fox-foxes(狐狸)
课中实例: wishes
3.以元音字母+y结尾的名词,直接加s,如:boy-boys(男孩),toy-toys(玩具)
实例:
stray-strays 迷失者(stray的复数形式)
stay-stays 停留;依靠;妇女胸衣(stay的复数)
key-keys 钥匙
why-whys 理由;令人费解的问题(why的复数)
pay-pays 报酬(pay的复数)
ray-rays 光线(ray的复数)
fay-fays 小仙女;妖精
way-ways keys
monkeys
jay-jays 鸟,松鸡;橿鸟(jay的复数形式)
4.以辅音字母+y结尾的名词,去
庭),strawberry-strawberries(草莓) y改ies,如:family-families(家
课中实例: aviaries
5.以f或fe结尾的名词,去f或fe改ves,如:wife-wives,knife-knives,wolf-wolves (这三个词的记忆口诀---“妻子”拿着“小刀”杀了“狼”)
课中实例: bookshelves
6.以”o"结尾的名词:(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“) negroes [‘ni?ɡr??]
(2)无生命的,加s,如:photo-photos(照片),radio-radios(收音机)
7.将“oo”改为“ee"的名词,如:tooth-teeth(牙),foot-feet(脚),goose-geese(鹅)
8.radio的复数形式单复同形的名词:(1)fish-fish(此时fish当“同类鱼的很多条”讲),sheep-sheep(绵羊),paper-paper(纸),Chinese-Chinese(中国人),Japanese-Japanese(日本人),people-people(peoples表示“民族”)
(2)不可数名词,如:water(水),rice(米饭),milk(牛奶),juice(果汁),bread(面包),tea(茶),ora
nge(橙汁)
9.不规则变化的名词:(1)man-men,woman-women (记忆方法---“男人”“女人”将a改e) 延伸:policeman-policemen,policewoman-policemen
(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),he/she/it-they(他/她/它-他们),this-these(这个-这些),that-those(那个-那些)
写出下列名词的复数形式:
I this that watch child photo diary(日记) day(天)
foot book dress(连衣裙) tooth sheep box strawberry wolf peach
yo-yo(悠悠球) sandwich man woman paper water juice tea mouse
There are 56 (people)in China
小学四年级英语单数句和复数句知识要点精读 ?
口诀:单数句子变,变化规则要记住。名词代词要变化,am, is要变are。
this, that变成啥,these, those来替它。he, she, it要变啥,全部变they不用怕。
I要变we莫落下,名词后面把s/es加。名前冠词去掉它,其余成分原样加。
具体注意下面的六要素:
1.单数主格人称代词要变成相应的复数主格人称代词,即I→we; you→you; she, he, it→they。如: She is a girl.→They are girls.
2. am, is要变为are。如: I‘m a student. →We are students.
3.不定冠词a, an要去掉。如: He is a boy. →

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