Unit 9 My favorite subject is science Section A Grammar focus 课件(共19张PPT)

(共19张PPT)
Unit 9
My favorite subject is science.
Grammar focus-3c
1.To learn and consolidate the Wh- questions
(学习和巩固Wh-疑问句)
2.To use “what why who- questions” and the usages of the descriptions.
（正确使用what why who 引导的特殊疑问句，同时巩固描述性形容词的使用。）
Learning aims(学习目标）
P.E.
art
music
math
Chinese
science
history
English
computer
A: What’s your favorite subject
B: My favorite subject is…
A: Why do you like…
B: Because it is…
interesting
fun
relaxing
exciting
difficult
Pairwork
5x-10=0
-7-x=8
4a-2+(-
history
science
Chinese
English
art
music
P.E.
math
B:Because it’s relaxing.
A:What’s your favorite subject
B:My favorite subject is music.
A:Why do you like music
Group work
C:What’s his/her favorite subject
D:His/Her favorite subject is music.
C:Why does he/she like music
D:Because it’s relaxing.
Is he your music teacher
Who is your music teacher
Warming up
Is he your music teacher
2. is your music teacher
3. Do you like music
4. do you like music
Does he like music
6. does he like music
Who
Why
Why
句1，句3，句5是一般疑问句
句2，句4，句6是特殊疑问句
Observe and discus观察与讨论
特殊疑问句是以疑问词开头，以寻求信息为目的的疑问句，常用的疑问词有what, who, why, when等。
因大多数疑问词均以wh-开头，所以特殊疑问句又被称为wh-问句。
疑问词按词性可以分为疑问副词和疑问代词。
疑问代词：what, who
疑问副词：when, why, where,how
特殊疑问句
What is your favorite subject
What is his favorite subject
Why does Bob like history
Why do Frank and Bob like P.E.
Who is your music teacher
When is your geography class
be
主语
be
主语
在特殊疑问句中，应将_________ 放前面，接下来，如果有be动词，就用_________ ， 再接主语;如果无be动词，则要借助动词___ 或____.
特殊疑问词
be动词
do
does
be
主语
主语
助动词
特殊疑问句
Grammar
定义：是以特殊疑问词开头，提出疑问的句子，也称wh-问句。
构成： 特殊疑问词 + 一般疑问句
疑问词 含义 例句
what “什么”用来询问事物 What’s his favorite food
他最喜欢的食物是什么
who “谁”用来询问某人的身份 Who is your English teacher
谁是你的英语老师
My English teacher is Ms. Li.
我的英语老师是李老师。
where “哪里”用来提问地点 Where is your schoolbag
你的书包在哪里
It’s on the desk. 书桌上。
why “为什么”用来询问原因 Why do you like basketball
你为什么喜欢打篮球
Because it’s fun. 因为有趣。
when “何时”用来询问时间 When is your brother’s birthday
你弟弟的生日是什么时候
It’s on September 15th. 9月15日。
how “怎么”对某人/某情况提问 How are you 你好吗？
I’m fine, thanks. 很好，谢谢。
how old “多大”，用来询问年龄 How old is your cousin
你表妹多大了？
how much “多少钱；多少”用来询问价格或不可数名词的数量 How much are the pears
这梨多少钱
How much rice do you want
你想要多少米饭
how many “多少”用来询问可数名词的数量 How many pens do you need
你要几支钢笔
1.A: do you like history
B: Because it’s interesting.
2. A: likes math
B: Eric does.
3. A: is your favorite subject
B: My favorite subject is P.E.
4. A: is your science teacher
B: My science teacher is Mr. Chen.
5. A: do you like art
B: Because it’s fun.
3a
Fill in the blanks with what, who or why.
Why
Who
What
Who
Why
策略指导：根据规律，我们可以不用看完整个句子，直接根据各题关键信息即可作答。
P51
1. _____ is this in English ---- It's a pen.
2. ______are my pens -----On the desk.
3.______ do you like art ---Because it's fun.
4.______ do you spell it ---R-U-L-E-R.
5.______ color do you like -----Blue.
6. _____ do you have a party ----- At 7:00 in the afternoon.
7.______ is your Chinese teacher ----Very nice!
8._______ can help me with my math ---- Tom!
9._______ is your favorite color ---- Red.
What
Where
Why
How
What
When
How
Who
What
Science and math.
Because history is interesting.
My music teacher is Mr Lou.
Mary’s favorite subject is art.
His Chinese class is on Monday.
根据答语说出问句
What’s your favorite subject
Why do you like history
Who is your music teacher
What is Mary’s favorite subject
When is his Chinese class
A: I’m a reporter, can I ask you some questions
What is your favorite subject, Jingjing
B：…
A: Why do you like …
B: Because ...
A: Who is your…teacher
B: …
A: ....
C: ...
Interview and report
Hello , everyone！I’m a reporter, Li Jingjing’s favorite subject is…. She likes it because it’s ... Her music teacher is …
Report
Name Favorite subject (What) Reason (Why) Teacher
(Who)
Li Jingjing music It’s fun. Ms. Xie
由Wh-引导的特殊疑问句。
正确使用这些疑问句,同时巩固描述性形容词的使用。
Summary
这节课，你达标了吗？
Nothing is difficult if you put your heart in it.
世上无难事，只怕有心人.