人教新目标版英语八年级上册同步课件 Unit8 sectionA 3a-3c（20张）

(共20张PPT)
Unit 8 How do you make a banana milk shake Section A 3a-3c
1. To learn to describe a process by using connectives first, next, then and finally
2. To learn to make imperatives
3. To learn Countable nouns and Uncountable nouns
Learning Objectives
How do you make a banana milk shake
First, peel the banana.
Next, put the bananas in the blender.
Then, pour the milk into the blender.
Finally, turn on the blender.
Revision
First, cut up three bananas, three apples and a watermelon.
Next, put the fruit in a bowl.
Then, put in two teaspoons of salad cream and a cup of yogurt.
Finally, mix it all up.
Instructions for making fruit salad
Presentation
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.
可数名词和不可数名词
Grammar focus
一、可数名词
1．规则变化
类别 构成方法 例词
一般情况 直接加 s book→books
girl→__________
以s，x，ch，sh结尾的词 加 es bus→buses
box→________
girls
boxes
以“辅音字母＋y”结尾的词 变“y”为“i”，加 es family→families
factory→__________
以“元音字母＋y”结尾的词 直接加 s day→days
key→________
以o结尾的无生命的词 直接加 s photo→photos
zoo→________
factories
keys
zoos
hero tomato potato 加 es hero→heroes
tomato→tomatoes
potato→________
以f或fe结尾的词 变“f”或“fe”为“v”， 加 es leaf→________
knife→knives
potatoes
leaves
2. 不规则变化
不规则变化的名词的复数形式有以下几种情况：
(1)改变单数名词中的元音字母。
foot→feet; tooth→teeth; man→men; woman→women
(2)单复数同形：Japanese, sheep, Chinese, deer, fish
(3)英语中有些名词总以复数形式出现。如：trousers, pants, clothes, glasses(眼镜)等。
二、不可数名词
1．物质名词：milk, water, rice
2．抽象名词：work, time, health
3．不可数名词的量的表达：数词＋量词＋of＋不可数名词。如：a piece of paper, two glasses of water/milk等。
三、既可数又不可数的名词
有些名词既能用作可数名词，又能用作不可数名词，但意义不同。
chicken—鸡(可数)；鸡肉(不可数)
room—房间(可数)；空间(不可数)
fish—鱼(可数)；鱼肉(不可数)
glass—玻璃杯(可数)；玻璃(不可数)
paper—试卷，报纸(可数)；纸张(不可数)
四、how many 和 how much
1. how many意为“多少”，后跟可数名词的 ________形式，对________________进行提问。
2. how much意为“多少”，后跟不可数名词，对不可数名词的量进行提问；how much还有“多少钱”之意，此时对价格进行提问。
复数
可数名词的量
Circle the correct word in each question.
3a
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
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
How
How much
What
How much
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.
First
turn
Finally
____ 1.How do you make popcorn
____ 2.How much corn do you need
____ 3.What do we do next
____ 4.How much salt do we need
____ 5.Now can we eat it
b
a
d
e
c
plant a tree
make beef noodles
wash clothes
take out a book from the library
3c
Write how to do one of the following things. Then tell your partner how to do it.
Revision
Summary
GOOD JOB