7.mouse--- mice
注: 1. 单复数一样的单词有:
deer---deer sheep---sheep
2. people表示人们, 本身是复数, 不能加“ s ”。
Exercise: 一.选择题： A ( )1．I can see three ________ in the zoo.
A monkeys B monkeyes C monkey B ( )2.The pig has four ______. A. foot B. feet C. foots C ( )3.My two brothers are both ______. A.policeman B. policemans C. policemen ( A )4.I can see ten _____ in the picture. A.sheep B. dog C. pig ( )5.The _____ has three______. C A. boys, watchs B. boy, watch C. boy, watches ( C)7.The girl often brushes her__before she goes to bed. A. tooth B. tooths C. teeth ( B )8.Lucy will show us some new ____ of hers. A. photo B. photos C. photoes
找出下列单词哪些是可数名词哪些是不可数名词
1.hamburgers 3.French fries 5. bananas 7.strawberries 9.carrots 11. rain 13.water 15.eggs 17.cream 19.sugar
Exercise P11 --1
2.tomatoes 4.oranges 6.tea 8.bread 10.pears 12.meat k 16. ice 18.money 20.vegetables
No, you aren`t.
数 复
数
Are you…?
Yes, I am.
No, I`m not.
Is he/she/it…? Yes,he/she/it is. No,she/he/it isn`t.
Are we…?
Are you…? Are they…?
Yes,you are. Yes,we are. Yes,they are.
He isn`t Tom.
She isn`t beautiful.
It isn`t a car. We aren`t happy. They aren`t friends.
Exercise: P4--3
C. 含有be动词的一般疑问句及其简短回答
一般疑问句 肯定回答
单
Am I ….?
否定回答
Yes,you are.
Exercise P12--2
B.可数名词和不可数名词 （3）
可数名词后的Be动词有单复数的变换。 不可数名词没有复数形式，只能用Be动词的单数形式。
And this is my friend, Bunny!
He is clever. It`s an animal.
Can you guess what animal it is ?
请注意紫色字体的单词
A. 主格人称代词：用来指代人，动物和物品。
单数主格 第一人称
复数主格
I （我） we（我们） he(他）
Is he a teacher? Yes, he is. No, he isn`t.
3. They are neighbors.
Are they neighbors? Yes, they are. No, they aren`t.
Unit 2
Plural nouns 复数名词
Now, let`s see some animals. Do you know them?
2. 以f或fe 结尾的名词变复数时：
a.加s，如： giraffe--giraffes roof---roofs b. 去f,fe 加ves， 如：half---halves knife---knives leaf---leaves wolf---wolves wife---wives life---lives thief---thieves
加 -es
bus--buses watch-watches
以ce,se,ze, (d)ge等结尾 的词 以辅音字母 +y 结尾的词
加 -s
读 /iz/
licenselicenses
变y 为i 再加es
读 /z/
baby---babies
其它名词复数的规则变化
1.以o 结尾的名词，变复数时：
a. (无生命的）加s， 如：photo---photos piano---pianos radio---radios zoo---zoos； b.(有生命的)加es， 如：potato--potatoes tomato—tomatoes
Exercise: 根据图片写单词
1.—————
koalas
pandas 2._________
3.______________
kangaroos
4._____________
tomatoes
5._____________
strawberries
boys 6._______
B. 名词复数形式的不规则变化： 1. child--- children 3. woman-- women 5. tooth--- teeth 2. man--- men 4. foot--- feet 6. goose--- geese
B.可数名词和不可数名词 （2）
飞
1）不可数名词可以和 a glass of , a piece of, a bar of 等用。 如：1. 一杯水
3.一瓶牛奶
a glass of water 2. 两杯水 two glasses of water a bottle of milk 4. 三瓶牛奶 three bottles of milk
a koala
a giraffe
two giraffes
three koalas
名词复数的规则变化
情况 一般情况
构成方法 加 -s
读音 1.清辅音后 读/s/; 2.浊辅音和 元音后 读 /z/; 读 /iz/
例词 map-maps bag-bags car-cars
以s,sh,ch, x等结尾 的词
二.
用所给的单词的复数的正确形式填空：
1.Thesetomatoes _______(tomato) are red. 2.My brother looks after two ______(baby) babies 3. My father likes to eat potatoes _______(potato). 4.Chinese people ______(people) like to eat noodles. toys 5.I have a lot of ______(toy) in my bedroom. dishes 6.I help my mother wash ______(dish) in the kitchen. 7.I have twopencil-boxes __________(pencil-box). buses 8.There are some ______(bus) in the street. feet 9.Peter has eight _____(foot). 10.Linda has three _______(tooth). teeth children (child) in the garden. 11.There are some _________ 12.My uncle and father are _____(man). men
5.一片面包 a piece of bread 6. 五片面包 five pieces of bread
2）可数名词和不可数名词都可以用some修饰。
English books 1. I have some ______________(英语书）
2. 瓶子里有一些牛奶。 There is some milk in the bottle. sugar 3. My mother wants some _________ (sugar)
6. 他们是 7.我们很开心。
They are in waiters.. We are very happy.
Exercise: P3—1,2
B: be动词用法口诀 我(I)用 am , 你(you)用 are ， 他(he)，她(she)，它(it)。
is
跟着
单数名词用is，复数名词全用are。 变否定，更容易，be后not加上去。 变疑问，往前提，句末问号莫丢弃。 还有一条须注意，句首大写莫忘记。
three oranges
some milk
four hamburgers some meat Look at these four English phrases .
Do you know the difference between them.
A. 可数名词和不可数名词 （1）
英语中的名词分为可数名词 与 不可数名词。
肯定
I am (I`m) you are (you`re) he is (he`s) she is(she`s) it is (it`s) we are (we`re) you are (you`re) they are (they`re)
否定
I`m not you aren`t he isn`t she isn`t it isn`t