Unit 8 How do you make a banana milk shake? Section A (Grammar Focus-3c)教学课件（34张PPT）

(共34张PPT)
Unit 8 How do you make a banana milk shake
(Period 2)
Section A (Grammar Focus-3c)
Pair work
How do you make a banana milk shake
Think about
What do we need for our favorite fruit salad
How many or how much of them do we need
sugar
cheese
popcorn
corn
machine
dig
hole
n. 食糖
n. 干酪；奶酪
n. 爆米花
n. 玉米；谷物
n. 机器；机械装置
v. 掘（地）；凿（洞）；挖（土）
n. 洞；孔；坑　
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.
Grammar Focus
Find the sequential words.
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.
Grammar Focus
What is the type of these sentences
一、祈使句
祈使句表示请求、命令、警告、劝告、禁止等意思。祈使句一般以动词原形开头，省略主语 you，句末用感叹号或句号，读时常用降调。
一、祈使句
1．祈使句的类型
类型 结构 例句
肯定形式 否定形式
Do型 动词原形+宾语+其他. Don’t+动词原形+宾语+其他. ·Open the books, please.
·Don’t give up.
Be型 Be+表语+其他. Don’t+be+表语+其他. ·Be careful, please.
·Don’t be angry.
Let型 Let+宾语+动词原形+其他. Don’t+let+宾语+动词原形+其他. ·Let’s go to the movies.
·Don’t let the children
make a noise.=Let the
children not make a noise.
Let+宾语+not+动词原形+其他.
一、祈使句
1．祈使句的类型
e.g. No entry. 禁止入内。
No parking. 禁止停车。
拓展
祈使句还有一种无动词的结构类型： No+名词/动词-ing形式.
一、祈使句
2．祈使句的回答
祈使句通常表示将要发生的动作，所以回答时一般用 will 或 won’t。回答肯定形式的祈使句用 will，回答否定形式的祈使句用 won’t。
e.g. —Please remember to bring your homework here tomorrow.
请记得明天把作业带来。
—OK, I will. 好的，我会的。
—Don’t be late for school again. 上学不要再迟到了。
—Sorry, I won’t. 对不起，我不会（再迟到）了。
一、祈使句
3．祈使句的反意疑问句
(1) 肯定形式的祈使句的反意疑问部分可用 will you/won’t you。
e.g. Please keep quiet, will you
请保持安静，好吗
Listen to me, won’t you
听我说，好吗
一、祈使句
3．祈使句的反意疑问句
(2)否定形式的祈使句后只能跟 will you。
e.g. Don’t tell it to anyone else, will you
不要把这件事告诉别人，好吗
(3)以 Let’s 开头的用 shall we，以 Let us 开头的用 will you。
e.g. Let’s go for a walk after supper, shall we
Let us go for a walk after supper, will you
晚饭后我们去散步，好吗
—Jack, don’t always copy what others do. ______ your head, please.
—Thanks for telling me.
A．Using B．Used C．Uses D．Use
可用语法判断法解答本题。祈使句中需要以动词原形开头，本题语境为“请动动脑筋”。因此，正确答案是D。
D
典例1
点拨
一、祈使句
Tommy, ______ play basketball in the street next time. You may get hit by a car.
A．do B．don’t C．must D．mustn’t
可用语法判断法解答本题。句意：汤米，下次不要在街上打篮球了。汽车可能会撞着你。在祈使句中，Do 型肯定句以动词原形开头，否定句以 don’t 开头。因此，正确答案是B。
B
典例2
点拨
一、祈使句
Read and classify
watermelon, yogurt, salt, honey, bread, egg, meat, sugar,
tomato, cheese, milk, water, apple, beef, juice, strawberry
Countable nouns Uncountable nouns
watermelon
egg
tomato
apple
strawberry
yogurt
salt
honey
bread
meat
sugar
cheese
milk
water
beef
juice
(1) 可数名词有单数和复数两种形式，而不可数名词无复数形式。
e.g. cat—cats 猫 water 水
(2) 不定冠词、基数词可直接修饰可数名词，表示数量；而不可数名词在表示数量时则需要借助于计量单位名词。
e.g. an apple 一个苹果 two photos 两张照片
a piece of bread 一片面包 four bottles of milk 四杯牛奶
二、可数名词与不可数名词
1．区分可数名词和不可数名词
(3) 可数名词复数前可用 many、some、any、few、a few 等修饰；不可数名词前可用 much、some、any、little、a little 等修饰。
e.g. many trees 许多树 some books 一些书
much money 许多钱 some juice 一些果汁
二、可数名词与不可数名词
1．区分可数名词和不可数名词
(4) 提问可数名词的数量用 how many，提问不可数名词的数量用how much。
e.g. How many bananas do you want 你想要多少根香蕉？
How much yogurt do we need 我们需要多少酸奶？
二、可数名词与不可数名词
1．区分可数名词和不可数名词
(1) 名词复数形式的规则变化
二、可数名词与不可数名词
2．可数名词的复数
类别 构成方法 例词
一般情况 加-s book—books coat—coats
boy—boys bed—beds
以s、x、sh、ch等结尾的词 加-es class—classes box—boxes
dish—dishes watch—watches
以辅音字母加y结尾的词 变y为i，再加-es baby—babies city—cities
factory—factories
以f(e)结尾的词 变f(e)为v，再加-es knife—knives half—halves
wife—wives life—lives
以字母 o 结尾变复数加-es的词：
英雄 (hero) 爱吃西红柿 (tomato) 和土豆 (potato)。
(2) 名词复数形式的不规则变化
二、可数名词与不可数名词
2．可数名词的复数
变 a 为 e man—men woman—women Frenchman—Frenchmen
变 oo为 ee foot—feet tooth—teeth
在词尾加 -(r) child—children ox—oxen（公牛）
其他特殊变化 mouse—mice（老鼠）
有些名词的单数和复数相同 sheep, deer, police, people, Chinese, Japanese, Swiss（瑞士人）
二、可数名词与不可数名词
通常情况下，当一个名词做定语修饰另一个名词时，变复数时只把后一个名词变为复数。但当 man 或 woman 修饰另一个名词时，变复数时要把 man 或woman 和另一个名词一起变为复数。
e.g. an apple tree → apple trees 苹果树
a woman leader → women leaders 女领导
a man doctor → men doctors 男医生
拓展
二、可数名词与不可数名词
3．不可数名词量的表达
a bag of rice 一袋大米
a drop of rain 一滴雨
a cup of coffee 一杯咖啡
two pieces of paper 两张纸
three bottles of orange 三瓶橙汁
eight baskets of fruit 八筐水果
a/an+计量单位名词+of+
不可数名词
基数词+计量单位名词+
of+不可数名词
—It’s hot today. Have some ______, please.
—No, thanks. I’m not thirsty at all.
A．water B．potatoes C．bread D．cakes
可用语境分析法解答本题。句意：——今天天气很热，请喝点水吧。 ——不，谢谢，我一点也不渴。根据答语中的 thirsty“渴的”可知空格处用 water“水”，与其意义呼应。因此，正确答案是A。
A
典例
点拨
二、可数名词与不可数名词
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.
3a
We are going to have a food festival this weekend. Please make a list of the food you want to buy and the amount you need.
Group work
Shopping list
Food Amount
Apples 8
Juice 4 cups
What do we need to make popcorn
Think about
corn
popcorn machine
bowl
salt
3b
Complete the questions and answers. Then match them.
____ 1． __________ do you make popcorn
____ 2． __________ corn do we need
____ 3． __________ do we do next
____ 4．__________ salt do we need
____ 5．Now can we eat it
a．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.
How
How much
What
How much
First
turn
Finally
b
a
d
e
c
Write how to do one of the following things. Then tell your partner how to do it.
3c
plant a tree
make beef noodles
wash clothes
take out a book from the library
Tips: 1．根据生活经验，将如何做这些事情的过程写出来。
如果自己不会做，可以让会做的同学分享他们的
做法。
2．要恰当运用 first, next, then, finally 等表示顺序的词汇，让你的描述更加清晰。
Write how to do one of the following things. Then tell your partner how to do it.
3c
Write how to do one of the following things. Then tell your partner how to do it.
3c
A: Do you know how to plant a tree
B: First, dig a hole.
Next, put the tree in the hole.
Then, put the soil back into the hole.
Finally, water the tree.
Example
祈使句
Do 型
Be 型
Let 型
No+名词/动词-ing形式.
肯定形式 → will
否定形式 → won’t
肯定形式 → will you/won’t you/
would you
否定形式 → will you
Let’s开头 → shall we
Let us开头 → will you
1．祈使句的类型
2．祈使句的回答
3．祈使句的反意
疑问句
可数名词与
不可数名词
1．区分可数名词和不可数名词
2．可数名词的复数
规则变化
不规则变化
3．不可数名词量的表达
a/an+计量单位名词+of+
不可数名词
基数词+计量单位名词+ of+
不可数名词
Write a short passage about how to do the following things.
You can choose one to write.
·plant a tree
·make beef noodles
·wash clothes
·take out a book from the library