七年级上册Unit 9 My favorite subject is science. SectionA (Grammar-3c)+课件(共22张PPT)

(共22张PPT)
Unit 9
My favorite subject is science.
Section A (Grammar Focus-3c)
Let’s enjoy a song and answer the questions.
1. How many question words are mentioned
2. What are they
There are six.
They are who, what, where, when, why and how.
Let’s match.
What are the question words for
when what who why where
Let’s study.
各组疑问句的句型结构是什么？
What’s your favorite subject
My favorite subject is science.
What’s his favorite subject
His favorite subject is Chinese.
What’s her favorite subject
Her favorite subject is art.
What疑问句结构：
What + be动词 + 其他
Let’s study.
各组疑问句的句型结构是什么？
Why does Bob like history
Because it’s interesting.
Why do Frank and Bob like P.E.
Because it’s fun.
Why疑问句结构：
Why+助动词do/does+其他
Let’s study.
各组疑问句的句型结构是什么？
Who is your music teacher
My music teacher is Ms. Xie.
Who疑问句结构：
Who + be动词 + 其他
Let’s study.
各组疑问句的句型结构是什么？
When is your geography class
It’s on Monday and Friday.
When疑问句结构：
When + be动词 + 其他
Grammar
由特殊疑问词引导，就句中某一部分进行提问，一般读降调，回答不能用yes或no。
特殊疑问句
Grammar
常用的疑问词有what, who, when, how, why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）
特殊疑问句
(Asking wh- questions)
特殊疑问句 = 特殊疑问词 + 一般疑问句
Are you a student
Do you like English
Can you swim
特殊疑问句
be动词、助动词、情态动词开头的句子;用yes/no回答
我们已经学习了含be动词的特殊疑问句，其句型结构之一为“疑问词+ am / is / are + 主语 + 其他？”。
e.g. What is your favourite subgect
Where are you from
本单元我们将学习含实义动词的特殊疑问句。
1) —When does Alice go to school in the morning
—At 7:00.
2) —Where do they come from
—They come from China.
3) —What does your sister eat for lunch
—Rice and chicken.
1. 含实义动词的特殊疑问句的句型结构之一
“疑问词（不作主语） + do / does + 主语 + __________ +其他？”即“疑问词+ do / does开头的一般疑问句？”。
动词原形
4) I have a basketball.
我有一个篮球。
Who has a basketball？（who作主语，谓语动词多用单数）
5) Who is your favorite teacher
谁是你最喜欢的老师？
2.如疑问词作主语或主语的定语，即对主语或主语的定语提问，其语序是陈述句语序
问句中的名词在答语在通常要用相应的人称代词来代替
6) —Why do you like math
—Because it’s useful.
3. 由why引导的特殊疑问句
回答时常用由__________引导的句子进行回答。
because
特殊疑问词
What“什么” 询问姓名、事物、职业、计算结果、（不）喜欢...、做什么事... What’s your name
What’s this (in English)
What time... 问时间，回答具体时间点 What day...？问星期几 What’s the date... 问日期 What time is it 现在几点了？
What day is it today 今天星期几？
What’s the date today 今天几号？
What+名词... What class/subject do you like best
特殊疑问词
Who“谁” 可对主语、宾语、表语（随主语数的变化而变化）进行提问 Who is your best friend (提问主语)
Who does he play soccer with (提问宾语)
Who is the man in the room (提问表语)
Whom“谁” 宾格形式，只能在句中作宾语的人提问，前面可接介词 Whose “谁的” 所有格形式，对句中的物主代词或所有格提问 特殊疑问词
Why “为什么” 询问原因：Why+一般疑问句？ 答语：Because.... 因为... —Why do you like math
—Because it is useful.
When “何时” 提问笼统的时间或做某事的具体时间 —When is your birthday
—It’s on June 20th.
Because.... 因为...
so所以+结果
二者不能同时出现在一个句子
Because the book is interesting,we all like it.
=The book is interesting,so we all like it.
特殊疑问词
Where“在哪里” 询问地点，回答“代词+地点介词+the/形容词性物主代词+...” —Where are his books
—They are on the desk.
How “如何，怎样” 询问方式或情况 How are you
How old... 询问年龄 How old are you
How much... 询问价格 How much is the book
How many/much... 询问数量 How many books are there
3a
Fill in the blanks with what, who or why.
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.
Why
Who
What
Who
Why
答语表示原因, 上句应问原因。
答语为人物，上句应问“谁”。
答语为最喜欢的科目。
答语为人物, 故问“谁”。
答语表示原因。
3b
Write questions for the answers.
Questions Answers
1.____________________________ Because history is interesting.
2.____________________________ Science and math.
3.____________________________ His Chinese class is on Monday.
4.____________________________ Mary’s favorite subject is art.
5.____________________________ My geography teacher is Mrs. Qin.
Why does he like history
Which subject do you like
When is his Chinese class
What’s Mary’s favorite subject
Who is your geography teacher
Interview three classmates and complete the chart. Then tell your group about the results.
A: What’s your favorite subject, Jingjing
B: Music.
A: Why do you like music
B: Because it’s fun.
A: Who is your music teacher
B: Ms. Xie.
Name Favorite subject (What) Reason (Why) Teacher
(Who)
Li Jingjing music It’s fun. Ms. Xie
3c
Homework.
Preview the new words and phrases in Section B(1a-1d).
Do the exercises in students’ book.