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(共20张PPT)
Unit 5 A healthy lifestyle Grammar
I eat an egg every morning. I also like fish.
I often have a pancake and some milk.
I also eat lots of fruit and vegetables every day.
I seldom eat cakes or sweets. Too much sugar is bad for our teeth.
What’s the difference between them
What’ s the part of speech of these words in bold
All of them are nouns.
Some of them are countable nouns, and the others are uncountable nouns.
Lead in
a meat？
一块肉到底是多少？
无法准确得知，我们需要借助一定的工具才能让双方都知道具体的量
a kilo of meat
two kilos of meat
three kilos of meat
How much meat is there？
看不见、摸不着的抽象名词
Air
How much air is there？
How many/much ... are/is there
问数量的固定句型
可数名词：
不可数名词：
How many ... are there
How much ... is there
Types of nouns Examples
Countable nouns singular（单数）
plural（复数）
Uncountable nouns
egg
vegetables
cakes
sweets
teeth
fish
milk
fruit
sugar
pancake
Put the words above into different groups in the following table.
What are countable nouns And give some examples.
A countable noun refers to something we can count.
Countable nouns (singular)
an apple a carrot a cake
Countable nouns (plural)
two apples six carrots ten
cakes
Presentation (countable nouns可数名词)
What are uncountable nouns
An uncountable noun refers to something we cannot count.
milk
chicken
juice
beef
pork
Presentation (uncountable nouns不可数名词)
Types of nouns Examples
Countable nouns Singular (单)
Plural (复)
Uncountable nouns
Can you put them into different groups in the following table
pancake
milk
fish
meat
tofu
fruit
vegetables
cakes
sweets
sugar
teeth
watches
boxes
fishes
buses
以字母 s,x,ch,sh 结尾，加es
rule 3
a story
元音字母+y结尾直接加s
辅音字母+y结尾：y--ies
a toy
some toys
many stories
rule 2
hero--heroes
tomato--tomatoes
potato--potatoes
mango--mangoes
以o结尾的单词, 有生命的es, 无生命加 s
pianos
radios
photos
zoos
kilos
rule 4
以f或fe结尾, 改f或fe为v, 加es
eg： wife, leaf, shelf, life
a knife
knives
rule 5
half---halves
man — men
woman — women
Some other nouns
foot — feet
tooth — teeth
Some other nouns
book
piano
cake
story
leaf
直接+s
-y再+ies
city
class
wish
加s/es
+es
photo
river
half
man
match
将苹果放在正确的篮子里
girl
wife
life
foot
不规则 变化
-f/fe再+ves
Presentation
i
bus
构成方法
例词
单复数同形
Chinese-Chinese,sheep-sheep
变字母oo为ee
foot-feet,tooth-teeth,goose-geese
变man为men
man-men,Woman-Women
其他形式
child-children
有些名词的复数变化是不规则的。
复合名词(名词十名词)变复数的规则如下：
①通常只将后一个名词变为复数。
boy student --boy students男学生
girl friend --girl friends女朋友
computer game--computer games电脑游戏 ②个别复合名词的第一个名词只能用复数。
a sports meeting 一个运动会
two clothes shops两个服装店
③man 和woman 与其后名词的单复数保持一 致。
man doctor --men doctors男医生
woman teacher=women teachers女 老 师 ----------
不可数名词(uncountable nouns)不能以数目来计算，不可以分割成个 体。不可数名词没有复数形式，其前也不能用a/an或其他具体的数词 来修饰。
cheese What aresthey salt
rice tea pork milk juice
1)We have much homework today.
2)There is a lot of water in the bottle. 3)She needs some help.
4)He has little time to finish his work. 5)I have a little juice in my glass.
1.用 much,a lot of,some,little,a little修饰不可数名词， 表 示量的多少。
2.用数词+量词+of+不可数名词，表示具体的量。常用的量词有
cup,glass,bottle,piece等。
1)I had a cup of tea yesterday.
2)She drinks a glass of milk every morning.
3)He opened two bottles of orange juice.
4)Can I have a piece of cake
> 量词既可与不可数名词连用，也可与可数名词连用。 与可数名词连用时，可数名词必须用复数形式。如： two bags of apples

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