Unit 5 A healthy lifestyle Grammar课件(共32张ppt)译林版(2024) 初中英语七年级上册

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Unit 5 A healthy lifestyle Grammar课件(共32张ppt)译林版(2024) 初中英语七年级上册

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(共32张PPT)
Grammar
Unit 5
A healthy lifestyle
能区分可数名词和不可数名词。
能掌握单数可数名词变复数形式的规则。
能掌握不可数名词的量的表达。
能在实际语境中正确使用可数名词和不可数名词。
学习目标
01
02
03
04
Choose one pictures different from the other three and then tell the reasons.
Reason 1: apple, pear and lemon are fruits. Bread is not fruit.
Reason 2: apple, pear and lemon are countable nouns. Bread is an uncountable noun.
Lead in
Choose one pictures different from the other three and then tell the reasons.
Reason 1: milk, juice and cola are drinks. Carrot is a kind of vegetable.
Reason 2: milk, juice and cola are uncountable nouns. Carrot is a countable noun.
Choose one pictures different from the other three and then tell the reasons.
potatoes
mangoes
photos
tomatoes
Can you give me two reasons
edible可食用的 / ed b( )l/
Countable nouns
[cn]
Uncountable nouns
[un]
[cn] refers to something we can count. For example, an apple, two pears and ten lemons.
[un] refers to something we cannot count. For example, we cannot say a bread.
How can we express
countable nouns
新课讲授
Types of nouns
an egg
an elephant
a pen
an “h”
an umbrella
a robot
a “u ”
a doll
a or an
判断用a还是an,不看单词首字母长相是否为元辅音字母,只能听名词首字母发音是否为元辅音音素。
The singular(单数)of countable nouns
When to use “an”
When to use “a”
If the countable noun begins with a vowel sound (元音音素), we use “an”.
If the countable noun begins with a consonant sound (辅音音素), we use “a”.
umbrella
unusual story
unhappy boy
(1)以u开头的单词
university
useful book
unit
(2)以e开头的单词
egg
European boy
honest boy
(3)以h开头的单词
hour
要特别注意区别以下单词:
an
an
an
an
an
an
a
a
a
a
How to form the plural of countable nouns
an orange
Rule 1: We add “s” to most nouns.
three oranges
a cat
two cats
The plural(复数) of countable nouns
a banana
four bananas
strawberry
strawberries
baby
babies
key
keys
boy
boys
Rule 2: Nouns ending in a consonant + y:-y+ies
Nouns ending in a vowel + y:+s
Can you help them find the right home
-y + ies +s
family
story
toy
city
monkey
holiday
Practice
bus
buses
box
boxes
watch
watches
brush
brushes
Rule 3: Nouns ending in s , x , ch or sh:+es
photos
photo
radios
radio
piano
pianos
hero heroes
potato potatoes
mango mangoes
tomato tomatoes
Rule 4: Nouns ending in o:+s or +es
wife-wives
wolf-wolves
knife-knives
thief-thieves
life-lives
shelf-shelves
leaf-leaves
half-halves
Rule 5 nouns ending in f or fe:-f / fe + ves
leaf leaves
1、There are some ___ in these ___.
A. knifes ; pencils-box B. knives ; pencil-boxes
C. knives ; pencil-box D. knives ; pencils-boxes
knife knives
Choose the right answer.
2、In autumn, you can see a lot of ___ on the ground.
leaf B. leafs C. leaves D. leave
pencil-box pencil-boxes
Practice
Some special nouns:改变单词中的元音字母
man——men
woman——women
tooth——teeth
foot——feet
Some special nouns:单复数同形
a sheep —— two sheep
a fish —— two fish
a deer—two deer
child——children
mouse——mice
Some special nouns:特殊变化
国家人民复数记忆口诀:中日不变英法变,其余s加后面
中日不变:a Chinese——many Chinese
a Japanese——many Japanese
英法变:an Englishman——many Englishmen
a Frenchman——many Frenchmen
其余s加后面:a German——many Germans
an American——many Americans
...
条件 变化形式 例词
加-s
清辅音后读/s/,
浊辅音和元音后读/z/
去掉y再加ies
es读/z/
加-es
加-es/-s
读/ z/
读/z/
去掉f或fe再加-ves
读/vz/
egg -eggs, day - days,
book - books
story - stories,
hobby - hobbies
bus - buses, box - boxes,
wish - wishes,
match - matches
photo - photos,
tomato - tomatoes
half - halves,
life - lives
大多数名词
以“辅音字母+y”结尾
以s, sh, ch, x结尾
以o结尾
以f或fe结尾的词
Summary
Put the apples into the correct baskets.
直接+s
-y再+ies
+es
-f/fe再+ves
加s/es
不规则变化
girl
wife
city
class
book
leaf
piano
cake
story
bus
life
half
photo
match
wish
man
foot
river
Practice
How to show their amount
Match the pictures with the phrases.
a glass of water a packet of salt three cups of tea
five cartons of milk a bowl of soup six bottles of juice
a piece of cheese four kilos of meat two bags of rice
a piece of cheese
a glass of water
a bowl of soup
a packet of salt
two bags of rice
three cups of tea
four kilos of meat
five cartons of milk
six bottles of juice
Work out the rule!
We can use numbers or the article (a/an) with ___________ (countable, uncountable) nouns.
We cannot use numbers with ___________ (countable, uncountable) nouns.
countable
uncountable
不可数名词量的表达
1. 用much, a lot of, lots of, some, little, a little 修饰不可数名词,表示量的多少。
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.
常考不可数名词:肉类、液体、难以计数的东西、抽象名词
肉类:meat, mutton, beef, pork, chicken
液体:water, juice, coffee, tea, wine
难以计数的东西:sugar, hair, salt, news, homework, money, work
抽象名词:air, time, wind,kindness, luck
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, bag等。
1) I bought two bags of rice yesterday.
2) She drinks a glass of water every morning.
3) He opened two bottles of Coke.
4) Can I have a piece of bread
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
Millie: What food do we need for our class party, Simon
Simon: Let's get some (1) ____________ , some (2) ____________ and some (3) ____________ .
Millie: Sounds good. Maybe we should get some (4) ____________ and (5) ____________ too!
Simon: I like that idea! And for people with a sweet tooth, we can also get some (6) ____________ and (7) ____________ !
Millie: OK. Now, what about drinks
Simon: Hmm, we need 40 (8) ____________ and 10 (9) ____________ .
cartons of juice
apples
oranges
bananas
cakes
bread
sweets
chocolate
bottles of water
A Millie and Simon are talking about food for a class party. Complete their conversation with the help of the pictures.
Practice
Why do Millie and Simon want to choose the food for the party
They need some fruit because ____________________________
____________________________.
They need some sweet snacks because ___________________________.
They choose some drinks because __________________________.
and most students may like it
fruit are good for their health
some students have a
sweet tooth
they may be thirsty at the party
It is important for us to choose healthy food for our classmates and it is necessary to think about what students may like.
A: What food do we need for our class party
B: Let’s get some …, some … and some …
A: Sounds good. Maybe we should get some … and … too!
B: I like that idea! And for people with a …, we can also get some … and …!
A: OK. Now, what about …
B: Hmm, we need … and …
B Talk with your partner about what food you need for a class party, using countable and uncountable nouns.
1. How many __________ (strawberry) are there in the basket
2. Half of them are _________ (Chinese).
3. In the last two ________ (month), he scored five goals in six
________ (match).
4. Here are two _______ (photo) of my family.
一、用所给单词的适当形式填空。
strawberries
Chinese
months
matches
photos
当堂检测
1. — Are you thirsty — Yes, please give us _________.
A. three bottles water B. three bottle of water
C. three bottles of water D. three bottles of waters
2. Look! There are ______ on the table.
A. two glasses of lemon tea B. two glass of lemon teas
C. two glasses of lemons tea D. two glass of lemons teas
3. How much ____ do we need to make a banana milk shake (奶昔)
A. bananas B. apples C. coffee D. milk
4. — I am thirsty.
— There is some _____ in the glass. You can drink it.
A. bananas B. apples C. pears D. water
二、单项选择。
记忆可数名词单数变为复数的变化规则和典型例词,以及不可数名词量化的表达方式。
Homework

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