牛津译林版英语七年级上册Unit 6 Food and lifestyle-Grammar(2)课件

(共29张PPT)
Unit 6
Food and Lifestyle
what we eat
how we live
Unit6 Grammar
Countable & Uncountable Nouns
food and drinks
fruit and vegetables
Nouns
Countable
Nouns
Uncountable
Nouns
名词 n.
Countable nouns and uncountable nouns
Can you help the nouns in the box find their home
可数名词
countable nouns
不 可 数 名 词
uncountable nouns
apple
rice
lemon
meat
hamburger
carrot
juice
sheep
milk
sweet
man
pork
beef
chicken
Countable Nouns(可数名词)
an apple
an ice cream
a watermelon
an orange
a cake
a banana
singular countable nouns可数名词单数
I want to buy a hamburger. ['h mb g ]
cake [ke k].
an egg [eg] .
orange [ r nd ] .
We use ‘a’ or ‘an’ before a singular countable noun. If the noun starts with a vowel(元音) sound, we use ‘an’.
More examples:
___ US ship
___ hour
___ uncle/aunt
___ umbrella
___ useful book
There is ___ ‘u’ and ___ ‘s’
in the word ‘use’.
a
an
a
an
an
an
a
(an + fisherman l, x,o)
注意：an用于元音音标开头的可数名词单数前，而不是元音字母开头的名词前。
an apple
apples
a banana
bananas
a cake
cakes
a carrot
carrots
rule
可数名词复数一般是直接在名词后面加s
plural countable nouns可数名词复数
watches
boxes
fishes
buses
rule
以字母s,x,ch,sh结尾的单词， 变为复数时在其后加es
hero---heroes
tomato---tomatoes
potato---potatoes
mango---mangoes
Heroes like tomatoes, potatoes and mangoes.
rule
其他以“o”结尾的单词直接加“S”
piano---
radio---
photo---
pianos
radios
photos
zoo ---
kilo ---
zoos
kilos
Heroes like tomatoes, potatoes and mangoes.
a story book
rule
元音字母+y结尾的：y +s
辅音字母+y结尾的：-y+ies
a toy
some toys
many stories
two story books
rule
以f或者以fe结尾的单词 :-f/fe + ves
例：half, wife, knife, life (halves/ wives/ knives/ lives)
a knife
knives
Singular(单数) Plural(复数)
Most nouns cake →cakes , hamburger →hamburgers , banana →bananas , …
Nouns ending in a consonant +y story →stories , family →families ,…
Nouns ending in s, sh, ch, or x glass →glasses, wish →wishes,
watch →watches, box →boxes , …
Nouns ending in o potato →potatoes, photo → photos, tomato →tomatoes, …
Nouns ending in f or fe half →halves, life →lives, knife →knives, wife →wives, leaf →leaves,
Some other nouns 不规则变化 man →men, woman →women, mouse →mice，foot →feet,
tooth →teeth, child →children,
sheep →sheep, fish →fish, Chinese →Chinese , Japanese → Japanese
P73
+S
-y +ies
+es
+s or +es
-f or fe +ves
Change the words into plural forms.
bus ________ bag_________
half_______ family_______
photo_______ tooth________
player_______ kilo__________
day_________ wife__________
potato_______ child_________
watch_______ fish__________
buses
halves/ halfs
photos
players
days
potatoes
watches
bags
families
teeth
kilos
wives
children
fish
Uncountable Nouns(不可数名词)
bread
water
chicken
salt
a piece of bread
a glass of water
a plate of chicken
a packet of salt
Here are some examples:
[glɑ s]
[ple t]
[pi s]
[s lt]
rice
tea
meat
milk
juice
two bags of rice
three cups of tea
four kilos of meat
five cartons of milk
six bottles of juice
数字 +量词+ of+ 不可数名词
Tip
['ki l ]
['kɑ t( )n]
['bɑtl]
At the supermarket Millie: Mum, what do we need to buy
Mum: We need some _________, a ______ of
______ and a _______ of ________.
Millie: Do we need to buy ____________
Mum: Yes. Let’s buy some ________ and ________.
Millie: I want to buy some ________. They are
Grandpa’s favourite. And we have only an ______
at home. We need to buy some too.
Mum : OK. We can also buy a few________of ______.
chicken
bag
rice
packet
salt
vegetables
carrots
potatoes
oranges
apple
bottles
juice
bag
packet
apple
vegetables
carrots
potatoes
oranges
bottles
chicken
rice
salt
juice
可数名词
(1) 可以计数的名词。
(2) 可以用冠词a, an限定,表示一个……。
(3) 可以用one, two, three…限定。
(4) 有复数形式。
(5)可以用some,few,a few,many,a lot of,
lots of等修饰，表示“多或少”
Summary:
不可数名词
(1)是指不能计数的名词。
(2)不可以用a , an限定。
(3)不可以用one, two, three…限定。
(4)没有复数形式。
(5)计量用数字+量词+of+不可数名词的结构。
(6)可以用some, much,little,a little,a lot of,
lots of等词或词组修饰。
对可数名词提问，用how many
对不可数名词提问，用how much
There are two packets of salt in the box.
(划线提问)
_____ ____ packets _____ there in the box
There are two packets of salt in the box.
_______ ______ salt _____ there in the box
How many are
How much is
Translation
一袋盐
两袋大米
三杯茶
四千克肉
五盒牛奶
六杯果汁
a packet of salt
two bags of rice
three cups of tea
four kilos of meat
five cartons of milk
six glasses of juice
几袋大米
八公斤牛肉
一张纸
两片面包
九杯茶
十盒牛奶
some bags of rice
eight kilos of beef
a piece of paper
two pieces of bread
nine cups of tea
ten cartons of milk