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(共32张PPT)
（人教新版）七年级
下
Section A Grammar focus
Animal Friends!
Unit1
01
02
03
04
根据例句，梳理what、where、why引导的特殊疑问句的句型和名词变复数的规则;
正确使用what、where、why引导的特殊疑问句的句型和名词复数简单地介绍自己喜爱和不喜爱的动物，并梳理出相关句型。
能够在小组活动中通过利用特殊疑问词询问动物的外形特征、栖息地行为习性以及本领等方面信息，准确猜出描述动物。
通过层层递进的课堂任务，让学生能够讲语法学习渗透于日常交流，并进行初步口头语言输出。
Learning objectives
Warming-up
Let’s enjoy a song:
Read and guess
They are brown and white.
They are tall.
They have long necks(脖子).
They are very interesting and beautiful.
giraffes
What are they
Read and guess
What are they
They can fly very high in the sky.
They live in the high cliff(悬崖).
They eat rats, rabbits and snakes.
They are really powerful.
eagles
Read and guess
What are they
wolves
They can run very fast.
They like to hunt(打猎) together at night.
They have sharp(锋利的) teeth.
They are quite dangerous and scary.
Read and guess
What are they
monkeys
They can climd very well.
They like to eat bananas.
Their hands and feet look like human(人类) hands and feet.
They have long tails(尾巴).
Read and guess
What are they
They can swim but can’t fly.
They eat fish and small sea animals.
They live in cold places.
They are kind of funny and clever.
penguins
Revision
The penguin is Peter’s and Fuxing’s favourite animal.
What do they look like
Where are they from
What do they eat
What can they do
Why do Peter and Fuxing like them
They look lovely and cute.
They are from Antarctica.
They eat fish and small sea animals.
They can swim fast.
Because they’re cute and smart .
look
ability
home
food
reason
How to introduce an animal
What's your favourite animal It's the monkey.
Where are penguins from They're from Antarctica.
Why do you like penguins so much Because they're very cute !
Why don't you like snakes Because they're really scary.
We use ________ to ask about a thing .
We use ________ to ask about a place.
We use ________ to ask about a reason, and
we use ________ to introduce a reason.
what
where
why
because
Read the sentences. Circle the word that introduces a reason.
3a
单元语法：
一、特殊疑问句Wh-questions
特殊疑问句是以特殊疑问词开头的、对某一具
体问题进行提问的问句。回答特殊疑问句不能用
yes或no。特殊疑问句读时一般用降调。
结构：特殊疑问词+一般疑问句+其他？
①特殊疑问词+be动词引导的一般疑问句？
②特殊疑问词+情态动词引导的一般疑问句？
③特殊疑问词+助动词引导的一般疑问句？
本单元主要复习what、where、why引导的特殊疑问句。
1. why引导的特殊疑问句常对“原因”进行提问, 一般用because 来回答。
结构：Why+助动词+主语+动词原形+其他
because与so不能同时出现在一句话中。
—Why do you like the book 你为什么喜欢这本书
—Because it is interesting. 因为它有趣。
—Why does your brother want to take a walk
你弟弟为什么想去散步
—Because he wants to relax after a long day.
因为他想在漫长的一天后放松一下。
2. what引导的特殊疑问句常对“姓名、物品、职业、事件等”进行提问。
—What’s your name 你叫什么名字
—My name is Lily. 我叫莉莉。
—What are those on the table 桌上那些是什么东西
—They’re my textbooks. 它们是我的课本。
3. where引导的特殊疑问句常对“地点”进行提问。
—Where is my schoolbag 我的书包在哪里
—Under the tree. 在树下。
what什么
who谁
Which哪一个
whose谁的
whom谁
疑问代词：
when什么时候
where什么地方
why为什么
how怎么样
疑问副词：
what（which，whose）+名词
How+形容词
组合疑问词：
特殊疑问词分类：
Let’s summarize：
what what subject
what time what shape
what color what/how about
what day how
what size how old
what date how many
what language how much
Let’s summarize：
询问具体时刻
询问具体事物
询问颜色
询问星期
询问尺寸
询问日期
询问形状
询问科目
怎么样，寻求建议
对方式或者程度提问
询问语言
询问年龄
可数名词数量提问
不可数名词数量提问，
还用来提问价格
how tall when
how often which
how many times whom
how long why
how soon who
how long whose
how far where
Let’s summarize：
询问频率
询问长度/高度
询问次数
物体长度；时长
询问多快“多久”
询问距离
询问距离
哪个
什么时候
“谁”（宾语）
为什么
“谁”
“谁的”
询问地点
单元语法：
二、可数名词复数
英语中的名词按其所表示的事物的性质可分为可数名词和不可数名词。可数名词有单数和复数两种形式,其复数形式一般在词尾加“ -s”或“-es”。
考向1 可数名词复数的用法
表示“两个”或“多个”的概念时, 用可数名词的复数形式,可数名词复数作主语时,谓语动词常用复数形式。
Three girls are over there. 三个女孩在那儿。
Some boys are in the classroom. 一些男孩在教室里。
类别 构成方法 例词
一般情况 词尾加-s cat—cats , bag—bags
以s, x, ch, sh等结尾的名词 词尾加-es class—classes , box—boxes
以“辅音字母+y”结尾的名词 把y改为i，再加-es family—families ,
baby—babies
以f或fe结尾的名词 把f或fe变为v，再加-es life—lives , wife—wives
以o结尾的名词 有生命的加-es，无生命的加-s zoo—zoos, radio—radios
tomato—tomatoes
hero—heroes
考向2 可数名词复数形式的规则变化
类别 单数 复数
单复数同形 deer(鹿) deer
Chinese(中国人) Chinese
sheep(绵羊) sheep
单复数不同形 词尾发生变化 child(小孩) children
改变单词的元音字母 woman(妇女) women
man（男人） men
tooth(牙齿) teeth
foot(脚) feet
考向3 可数名词复数形式的不规则变化
记忆口诀
1)规则变化：
名词单数变复数,一般加-s.
词尾s,x,sh,ch,直接加上-es.
f,fe为结尾,加-s之前要变ve.
辅音字母＋y"来结尾,y变i再加-es.
词尾字母若是o且有生命,加-es.
onions
apples
watches
boxes
knives
strawberries
parties
potatoes
tomatoes
记忆口诀
2)不规则变化：
oo常常变ee
男人、女人a改e,
child复数children要记准,
中、日、鹿、绵羊无变化,
feet
geese
men
women
children
dear
sheep
Chinese
Japanese
单数、复数是一家.
Complete the conversation with the words in the box. Underline the animal nouns.
3b
Jane: Sam, _______ are giraffes from
Sam: _________ from Africa. Do you like giraffes
Jane: Yes, I do.
Sam: Why _____ you like them
Jane: Well, _________ they’re interesting. They have long necks. _______ your favourite animal
Sam: Guess! It lives in the sea.
Jane: Is it the shark
Sam: No. I don't like sharks.
Jane: Why _______ you like sharks
Sam: Because they’re really scary.
They’re
because
where
do
don’t
What’s
where
They’re
do
because
What’s
don’t
非洲
脖子
猜测；估计
鲨鱼
eagle _______ fox _______ giraffe _______ mouse _______
penguin _______ shark _______ sheep _______ snake _______
whale _______ bear _______
eagles
foxes
giraffes
mice
penguins
sharks
sheep
snakes
whales
bears
I like ________ because they’re cute / smart / interesting / funny / huge / …
I don’t like ________ because they’re dangerous / scary / …
鲸
危险的
Make the nouns in the box plural. Then use the plural nouns to complete the sentences.
3c
A: Is the animal’s tail long
B: No, it isn’t
A: Is it black and white
B: Yes, it is.
A: Where’s it from
B: It’s from China.
A: It’s a panda!
B: Yes, you’re right!
Think of an animal. Ask and answer questions with a partner to guess each other’s animal.
3d
A: Is the animal’s tail long
B: No, it isn’t
A: Is it black and white
B: Yes, it is.
A: Where’s it from
B: It’s from China.
A: It’s a panda!
B: Yes, you’re right!
looks
home
ability
food
Think of an animal. Ask and answer questions with a partner to guess each other’s animal.
3d
looks
1. China
2. Antarctica
3. South Africa
4. Australia
5. ...
1. eat bamboo
2. eat small sea animals
3. eat grass/tree leaves
4. ...
home
ability
food
1. long tail/trunk
2. big ears/heads
3. sharp eyes/teeth
4. black and white
5. brown
6. ...
1. sleep all day
2. swim in the water
3. run fast/move slowly
4. fly high in the sky
5....
A: Is the animal’s ...
B: No, it isn’t/ Yes, it is.
A: Is it ...
B: Yes, it is/No, it isn’t.
A: Where’s it from
B: It’s from ...
A: It’s a ...!
...
B: Yes, you’re right!
Think of an animal. Ask and answer questions with a partner to guess each other’s animal.
3d
一、根据句意用合适的单词填空。
A: _______ are lions from
B: ________ from South Africa. Do you ____ lions
A: No, I don’t.
B: Why ______ you like lions
A: Because they’re really scary. But I like pandas.
B: Really _____ do you like pandas
A: Well, ________ they’re kind of interesting. Do you like penguins
B: Yes, I do. But I like wolves a lot.
A: Wolves Why ____ you like wolves
B: They’re really ______!
Where
They’re
like
don’t
Why
because
do
cool
Exercises
二、语法填空。
1. Tom plans to go to the zoo to see ______ (fox) this Friday.
2. ________ (wolf) catch small animals for their food.
3. —Why ______ (not) you like tigers
— _________ they are scary.
4. Don’t swim in the river! It’s __________ (danger).
5. I don’t like the movie we watched yesterday. It’s too ______ (scare).
6. Thank you for taking care ____ me, my dear mom.
7. —______ do the birds build their nests —In the trees.
foxes
Wolves
don’t
Because
dangerous
scary
of
Where
Homework
You must
Read and recite the sentences of Grammar Focus on Page5
Write some sentences to describe an animal you like and let your classmates guess .
You choose to
Interview at least five classmates about their favourite animals.
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