Unit8 How do you make a banana milk shake? Section A (Grammar Focus -3c) 课件（共29张PPT）

(共29张PPT)
Teaching Aims：
1.掌握祈使句的用法
2.掌握可数名词和不可数名词的考点
3.how many和how much的辨析
Teaching key & difficult points:
1. 祈使句句型的掌握
2. 可数名词的变化和不可数名词用法
3.how many和how much的辨析
shake (shook) 摇动,抖动
milk shake 奶昔
blender 食物搅拌器
turn on 接通,打开
peel 剥皮，去皮
pour 倒出，倾倒
yogurt 酸奶
Review
honey 蜂蜜
watermelon 西瓜
spoon 调羹
pot 锅
add 增加,添加
finally 最后,最终
salt 食盐
1. sugar n. 食糖
2. cheese n.干酪奶酪
3. popcorn n.爆米花
4. corn n. 玉米谷物
5. machine n. 机器
6. dig v. (dug过) 掘,挖
7. hole n.洞;孔;坑
sugar 食糖
cheese 奶酪
popcorn
爆米花
corn 玉米
machine
机器
dig a hole
挖掘 洞;孔;坑
Turn left!
Turn right!
No smoking!
Don’t play football!
Be careful!
Don’t eat!
Lead-in
How do you make a banana milk shake First, peel the bananas.
Next, put the bananas in the blender.
Then, pour the milk into the blender.
Finally, turn on the blender.
Countable nouns Uncountable nouns
How many bananas do we need？ We need three bananas. How much yogurt do we need？
We need one cup of yogurt.
Grammar focus
祈使句的定义
祈使句 : 表示__________________等句子。
祈使句的运用:
①在祈使句中，一般以________开头。主语是______,通常被______。
②句首或句尾常加“________”,表示“请”。在句尾时前用逗号与前面句子隔开。
一、祈使句
动词原形
you
省略
please
请求、命令、建议
特殊用法(了解)
1.No+doing/名词：用来表示“禁止”的祈使句。
eg.No smoking！禁止吸烟！ No parking! 禁止停车！
No fishing！禁止钓鱼！ No photos! 禁止照相！
2. Do+动词原形：用来加强语气
eg. Do write to me soon. 一定要快点给我写信啊。
Do let me do it by myself. 请一定要让我自己处理。
1. 以实义动词原形开头。
e.g. Come here.
Look at the map.
2. 以动词be开头。
e.g. Be a good boy.
Be quiet, please.
3. 以Let开头。
e.g. Let me have a look.
Let’s go!
祈使句的肯定式
【注意】
有时可在祈使句的句首或句尾加上please，使语气显得客气、有礼貌。如果在句尾加please，应该用逗号与前句隔开。
e.g. Come in, please.
1. 在动词原形前加don’t。
e.g. Don’t sit here.
Don’t be late.
2. 以let开头的祈使句, 其否定式有两种：一种是直接在句首加don’t; 另一种是“let +宾语+ not +动词原形+ (其他)”。
e.g. Don’t let him go.
Let Jim not play there.
祈使句的否定式
【注意】
“No + 名词 /
动词-ing形式”表示禁止或规劝，常用于公共场所。
e.g. No photos!
No smoking！
二、可数名词
1.可数名词的单数：前常加不定冠词a/ an 或定冠词the(特指)
eg. a pilot 一名飞行员 an apartment 一所公寓
the man with a hat 那个戴帽子的男人
2. 可数名词变复数：规则变化 & 不规则变化
①规则变化：A)一般情况直接+s:
boys students photos(无生命)
B)以s, x, sh, ch等结尾加-es:
buses boxes dishes watches
C)以辅音+y结尾改y为i加-es:
babies factories cities
D)以f(e)结尾,改f(e)为ves:
leaves knives wives wolves
E)以o结尾(有生命)加-es:
potatoes tomatoes heroes
1. 可数名词一般有单数形式和复数形式两种 (少数可数名词单复数同形, 如sheep, Chinese等); 不可数名词没有单、复数形式。
2. 数词或many, some, a lot of等可直接修饰可数名词, 表示数量; 要表达不可数名词的量要用“数词+表示量的名词(有单数、复数形式变化)+of ”。如：
two books one cup / bottle of water three spoons of honey
one bowl of rice one box of milk two kilos of yogurt
可数名词和不可数名词的区别
Task 2 将下列名词变为复数：
1. hen __________ 2. diary _________
3. activity _________ 4. difference _________
5. duck __________ 6. dictionary _________
7. bus ____________ 8. potato ___________
9. piano __________ 10.leaf _____________
11. life ___________ 12. wish ____________
hens
activities
ducks
buses
pianos
lives
diaries
differences
dictionaries
potatoes
leaves
wishes
②不规则变化：
A)三人：
B)四动物：
C)两器官：
D)形单意复：people police
man-men woman- women child-children
sheep-sheep deer-deer fish-fish(单复同形)
mouse-mice
foot-feet tooth-teeth
Task 3 根据句意，用括号中所给单词的适当形式填空。
1. I have lots of ___________(tomato) here.
2. The _________(child) are playing games on the playground now.
3. Tony is a ________(sheep)and there are many ________(sheep) over there.
4. He has ten ___________(sandwich).
5. There are many English ___________(dictionary).
tomatoes
children
sheep
sheep
sandwiches
dictionaries
可数名词复数不规则变化：
(1) 元音或词尾发生变化：
如：child--_________, mouse-- _________，
man--________, woman--_________,
foot--_________, tooth--_________, goose--_________
policeman--___________, Frenchman--_________
Englishman--_________
口诀：男士(man)、女士(woman)a变e;鹅(goose)牙(tooth)脚(foot)双o双e;孩子们(child)想去天安门，原形后面r、e、n）
children
mice
men
women
feet
teeth
geese
policemen
Frenchmen
Englishmen
3.修饰可数名词复数的词：
①many类：many/ so many/too many/ how many
②few类：quite a few/ a few/ few/ fewer/ fewest
③some/ a lot of/ lots of
Task 4
1. The ______careful you are, the ______ mistakes you will make.
A. more; little B. more; less C. more; few D. more; fewer
2. Ladies and gentlemen, I have _______ words to say.
A. few B. a few C. little D. a little
3. I'm new here. So I have ______ friends here.
A. few B. a few C. little D. a little
4. There are ______ oranges in the fridge, could you buy some in the shop
A. few B. a few C. little D. a little
5. _______ hours do you watch TV every week - _____.
A. How much; Nothing B. How many; No one
C. How many; None D. How many; Nobody
D
B
A
A
C
4.可数名词做主语，谓语动词单复数与主语保持一致:
eg. There are some people on the playground.
There is an apple in the basket.
The boy hardly ever does exercise every week.
Task 5
1. The ______(leaf) on the tree turn yellow.
2. There are a few _______(child) playing football outside.
3. Their ________(idea) sound interesting.
4. The girl never _______(sing)in the classroom.
5. People ______(play)an important part in saving the earth.
leaves
children
ideas
sings
play
.名词的量
如何询问名词的量？
询问 可数名词的量 用" How many "，后接可数名词复数形式。
询问 不可数名词的量 用" How much "，后接不可数名词。
→ How many bananas do you buy
Eg: I buy three bananas. (对划线部分提问)
Mike has one cup of yogurt. (对划线部分提问）
→ How much yogurt does Mike have
三、不可数名词：
1.常见的不可数名词：
①金(gold)木(wood)水(water)火(fire)土(earth)
沙(sand)肉(meat)食(food)米(rice)纸(paper)
②牛肉(beef)鸡肉(chicken)拌米饭(rice)
鱼(fish)汤(soup)味道鲜
果汁(juice)牛奶(milk)要常喝
面包(bread)更是不能缺
③抽象类：money, pollution, information, news, knowledge(知识)
④学科类：math, geography, physics
2.不可数名词无复数，也不能用a/an修饰，但前面可加the：
eg. the water/the money
不可数名词的量：基数词+计量单位+of+不可数名词：
eg. a piece of bread/ paper/ news
two cups of water/ milk
Task 5
1. _______________一袋米 2. _________________ 一杯咖啡
3. _______________ 两张纸 4. _________________ 三瓶橙汁
5. _______________ 九片面包 6. _________________ 四杯牛奶
a bag of rice
a cup of coffee
two pieces of paper
three bottles of orange
nine pieces of bread
four cups of milk
不可数名词“数量”的表达方式
(1) 用much, a little , a bit of , some, any, a lot of/lots of等表示多少
如：some tea一些茶,a little bread一点儿面包,
much meat许多肉，a lot of water大量的水
(2) 用“数词+ 量词+ of +不可数名词”表示具体的量。
常用的词有cup(杯),glass(玻璃杯),bottle(瓶),piece(片)，bag（袋）等。
如： a bottle of orange一瓶橙汁,
two pieces of meat 两块肉
three bags of rice三袋米
1. How (much/many) bananas do we need
2. How (much/many) sugar do we need
3. How (much/many) bread do we need
4. How (much/many) tomatoes do we need
5. How (much/many) cheese do we need
Circle the correct word in each question.
n. 食糖
n. 干酪; 奶酪
Half a cup.
b.______ , put the corn into the popcorn machine.
c. Yes, we can!
d. Next, _____on the machine. ______, add the salt.
e. Just one spoon.
____1.______do you make popcorn
____2.___________corn do you need
____3.______ do we do next
____4.___________salt do we need
____5.Now can we eat it
How
How much
What
How much
First
turn
Finally
b
a
d
e
c
Complete the questions and answers. Then match them.
3b
Write how to do one of the following things. Then tell your partner how to do it.
plant a tree
make beef noodles
wash clothes
get a book from the library
3c
Dig a hole.
Put the tree in the hole.
Put the soil back into the hole.
Water the tree.
It’s OK now.
Let’s learn how to plant trees.
3.修饰可数名词复数的词：
①much类: much/ so much/ too much/ how much
②little类：a little/ little/ less/ least
③some/ a lot of/ lots of
Task 6
1. -Do you have any water -No, I have _____ in my glass.
A.few B. little C. a little D. a few
2. How can you make a trip with so ____ money
A. few B. little C. a few D. a little
3. There is _____ milk in the fridge, so we will go to the shop and buy some.
A. few B. little C. a few D. a little
4. Now people can learn ______ informationon from the Internet.
A. a few B. a lot C. much D. many
5. -_______ yogurt do you need - We need _______of yogurt.
A. How many; two cup B. How much; two cup
C. How many; two cups D. How much; two cups
B
B
B
C
D
Task 1
1. _______(keep) quiet in the library!
2. Don't _______(swim) in the river, please!
3. Please don't ____(be) late for school tomorrow!
4. Let's ________(not make) any noise, the baby is sleeping.
5. 对你的朋友好点！________________ your friends!
6. 确保拼尽全力！ Make sure ______________________________!
7. 走之前别忘了关门！________________________ before you leave!
8. 让我们去远足吧！___________________!
Keep
swim
be
not make
Be friendly to
Don't forget to close the door
Let's go hiking
to try your best/ you try your best
当堂检测
1. —____ honey do you need —One spoon.
A. How many B．How often C. How long D．How much
2. _____ your umbrella, or you'll catch a cold on such a rainy day.
A. Take B. To take C. Taking D. Takes
3.--____ hours do you watch TV every week --Less than 2 hours.
A. How much B. How many C. How long D. How often
4._______ wake up your sister, Ben. She needs a good sleep.
A. Can't B. Doesn't C. Aren't D. Don't
5. Let's _____ our time.
A. not to waste B. no wasting C. not waste D. no waste
D
A
B
D
C
谢谢
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