人教新目标版英语八年级上Unit 8 How do you make a banana milk shake?Section A 3a-3c Gramma rFocus课件：2021-2022学年人教

(共17张PPT)
Unit 8　How do you make a banana milk shake
Section A 3a-3c Grammar Focus
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
Turn left!
Turn right!
No smoking!
Don’t play football!
Be careful!
Don’t eat!
Lead-in
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
Discussion 句型
1．肯定形式（动词原形开头）
A）be 型（Be+表语）
eg.Be careful！ Be quiet, please!
B）do 型（实义动词原形+其他）
C）let 型（Let+宾语+动词原形+其他）
2．否定形式（Don't+动词原形开头）
A）be 型（Don't be+表语）
B）do 型（Don't+动词原形+其他）
C）let 型（①Don't+let+宾语+动词原形+其他）
（②Let+宾语+not+动词原形+其他）
e in, please! Stand up!
eg. Let's go shopping!.
eg. Don't be late! Don't be noisy!
eg. Don't sleep now! Don't talk in class!
Let's not go out!
eg. Don't let them leave.
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。
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
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
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
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
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
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
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
6.They got much ______ from those new books.
A. ideas B. photos C. information D. stories
7. —Don't forget to post the letter! —____．
A. Yes, I do B. No, I don't C. Yes, I will D. All right, I won't
8.Every weekend she has _______ homework to do.
A. many B. quite a few C. much D. so many
9. We need two pieces of bread.
______ _______ ________ of bread do you need
10. We want two teaspoons of honey.
_______ ________ ________ do you want
How many pieces
How much honey
C
D
C