Unit 3 Is this your pencil? Section A Grammar Focus-3c 课件(共37张PPT)

(共37张PPT)
Unit 3
Is this your pencil
Grammar Focus-3c
Learning objects（学习目标）
Key words & phrases:
mine; hers; his; yours.
Key sentences:
1. — Is this your pencil —Yes, it is. It’s mine./No, it isn’t. It’s hers.
2. —Is that your schoolbag —Yes, it is./No, it isn’t. It’s his.
3.—Are these your books —Yes, they are./No, they aren’t. They’re hers.
4.—Are those her keys —Yes, they are./No, they aren’t. They’re mine
How can we find out the owners of the lost things
We can find the owners according to the features(colors, shapes, sizes...) of the lost things.
Lisa
Helen
Dale
Cindy
Bob
No, it isn't. It's Cindy's.
Cindy
Express
Is this your eraser, Bob
Lisa
Helen
Dale
Cindy
Bob
Yes, it is. It's my black pencil.
Bob
Express
How about the pencil
Grammar Focus
Is this your pencil Yes, it is. It's mine./No, it isn't. It's hers.
Is this green pen Yes, it is./No, it isn't. The blue pen is his.
Is that your schoolbag Yes, it is./No, it isn't. It's his.
Are these your books Yes, they are./No, they aren't. They're hers.
Are those her keys Yes, they are./No, they aren't. They're mine.
=it is
=is not
=are not
单数
复数
含有be动词的一般疑问句
注意区分its和it's,
it's=it is 它是
its 它的
Is this your pencil Yes, it is. It’s mine.
No, it isn’t. It’s hers.
Is this his green pen Yes, it is.
No, it isn’t. The blue pen is his.
Is that your schoolbag Yes, it is.
No, it isn’t. It’s his.
Are these your books Yes, they are.
No, they aren’t. They’re hers.
Are those her keys Yes, they are.
No, they aren’t. They’re mine.
Grammar Focus
请总结含be动词的一般疑问句结构和简略回答。
Is this/ that +形物代 + n.(单)
Are these/ those +形物代 + n. (复)
课堂探究1
一般疑问句是在句子中用提问的方式提供一些信息，要求对方用 ___________回答的疑问句。
朗读一般疑问句时用______, 对其回答时用________。
本单元我们学习的是含有be动词的一般疑问句。
含be动词的一般疑问句
语法概述
结构: Be动词(am/is/are)+主语+其他
（Be动词要和主语的人称和数保持一致）
升调
降调
Yes 或 No
探究小结1
Presentation
含有be动词一般疑问句的结构及其答语
结构：
Be动词（am/ is/ are)
主语
其他
注意：Be动词要和主语的人称和数保持一致。
肯定 回答
否定 回答
Yes, 主语+be动词(am/is/are).
No, 主语+be动词(am/is/are)+not.
(主语和be动词不能缩写)
(通常is, are和not要缩写， 但am和not不能缩写)
如果一般疑问句主语是this, that, these或those，
回答时用___指代this或that；用____指代these或those。
①—这是你的钢笔吗？
—是的，它是。
—Is this your pen
—Yes, it is.
②— 这些是你的书吗？
— 不，它们不是。
—Are these your books
—No, they aren’t.
不可以
缩写成it’s
it
they
Presentation
This is your pen.
That is his eraser.
These are your books.
Those are her keys.
Is this your pen
含有be动词的肯定句变一般疑问句
Is that his eraser
Are these your books
Are those her keys.
Presentation
含有be动词的肯定句变一般疑问句
一提
指的是将be动词提到句首，且首字母大写。
二变
三问号
把原主语的首字母变成小写;如果原主语为第一人称，则应把第一 人称变为第二人称，be动词也要作出相应的变化; 如果有形容词物主代词my,也应改为your。
将句末的标点符号改为问号。
（1）一提：指的是将be动词提到句首， 且首字母大写。
（2）二改： 把原主语的首字母变成小写；
如果原主语为第一人称， 则应把第一人称变
为第二人称， be动词也要作出相应的变化；
如果有形容词物主代词my， 也应改为your。
（3）三变：将句末的标点符号改为问号。
含be动词的肯定句变一般疑问句
即时演练：
Is she a teacher
Are you Tony
Are those your pens
Is this her book
1. She is a teacher.
2. This is her book.
3. I am Tony.
4. Those are my pens.
口诀：一提、二改、三变
This
is
my
pencil.
Is
this
your
pencil
含有be动词的陈述句变为一般疑问句的步骤
形容词性物主代词和名词性物主代词表
人称 一 二 三 单 复 单/复 单 单 单 复
形代 my our your his her its their
名代 mine ours yours his hers its theirs
名词性物主代词，相当于一个名词，可以在句子中单独使用。它相当于“形容词物主代词 + 名词”。而形容词性物主代词只能和名词在一起使用
my pen = mine
her key = hers
his books = his
your ruler = yours
Is this your pencil Yes, it is. It’s mine.
No, it isn’t. It’s hers.
Is this his green pen Yes, it is.
No, it isn’t. The blue pen is his.
Is that your schoolbag Yes, it is.
No, it isn’t. It’s his.
Are these your books Yes, they are.
No, they aren’t. They’re hers.
Are those her keys Yes, they are.
No, they aren’t. They’re mine.
my pencil
her pencil
his pen
his schoolbag
her books
my keys
请找出所有的物主代词，并解释其含义。
Grammar Focus
课堂探究2
人称 单 数 复 数 主 格 宾 格 主 格 宾 格
第一人称
第二人称
第三人称
人称代词
主格作主语，宾格作宾语
me
you
him
her
it
us
you
them
I
you
he
she
it
we
you
they
单 数 复 数 第一人称 第二人称 第三人称 第一人称 第二人称 第三人称
形容词性 物主代词 my your his her its our your their
名词性 物主代词
含义 我的 你的 他的 她的 它的 我们的 你们的 他们的
物主代词
数
人称
类别
mine
yours
his hers its
ours
yours
theirs
表示所有关系的代词叫作物主代词
物主代词
语法概述
人称 一 二 三 单 复 单/复 单 单 单 复
形物代 my our your his her its their
名物代 mine ours yours his hers its theirs
(1) 名词性物主代词，相当于一个_______，
可以在句子中单独使用（作主语、表语、宾语）。
(2) 名词性物主代词相当于“形容词物主代词 + _______”。
而_______________________只能和名词在一起使用。
形容词性物主代词
名词
名词
探究小结2
1. This is her eraser. (改一般疑问句)
2. Is that Mary’s pen (否定回答)
3. These are my books. (改为一般疑问句）
4. Is his pen here (肯定回答)
Is this her eraser
No, it isn’t.
Yes, it is.
Practice:
Are these your books
e.g. (1)This is your ruler. It’s not my ruler.
(= This ruler is _______. It’s not _____.)
这是你的尺子，它不是我的。
(2) Those aren’t his books. They’re her books.
(= Those books aren’t ____. They’re _____. )
那些书不是他的。它们是她的。
yours
mine
his
hers
1. Your book is here. ______（我的) is over there
2.This cup is not Lily’s . ______（她的）is white.
3. The dictionaries are ________（我们的）.
4. My pen is blue. What about _______（你的）？
Mine
Hers
yours
ours
作主语
作主语
作表语
作宾语
名词所有格
表示无生命事物的所有关系，用“名词A + of + 名词B”结构，指前者属于后者。
表示有生命事物的所有关系，在名词后加 ’s来表示所属关系，意为“……的”。
a photo of my family
一张家庭照片
Examples
Examples
a map of China
一张中国地图
Anna’s schoolbag
安娜的书包
Bob’s book
鲍勃的书
表示有生命事物的所有关系时，名词所有格有以下几种情况：
单数名词，词尾直接加 ’s Tom’s book 汤姆的书
my uncle’s car 我叔叔的小汽车
以-s结尾的复数名词，词尾加 ’ teachers’ office 教师办公室
不规则复数名词，词尾加 ’s Women’s Day 妇女节
Children’s Day 儿童节
名词所有格表示事物所属关系，类似形容词物主代词
1、's表示的所有格
Bob's鲍勃的
2、of表示的所有格
the name of the book书的名字
一般的单数名词在词尾直接加“'s” Tom’s book
汤姆的书
my uncle’s car
我叔叔的小汽车
以-s结尾的复数名词在词尾加“'” the students’ basketball
学生们的篮球
不以s结尾复数名词在词尾加“'s” Women’s Day
妇女节
Children’s Day
儿童节
They’re Bob’s.
It’s Helen’s.
名词所有格
课堂探究3
① Mary and Alice’s house big.
② Mary’s and Alice’s houses ___big.
is
are
共有
不共有
用and 连接两个并列的单数名词表示共有时，
只需在后一个名词词尾加”-’s”，谓语动词用单数，
若不是则两个名词均需加”-’s”，谓语动词用复数
e.g. _____ room looks very clean.
A. Bob’s and Dave’s B. Bob’s and Dave’s
C. Bob’s and Dave D. Bob and Dave
A
探究小结3
What’s this in English
It’s __ ______.
an eraser
Is this your eraser
No, it isn’t. It’s ___(他的).
his
Are these his pencils
No, they ____. They are ____(她的).
aren’t
hers
Complete the questions and answers about each picture. P15
3a
Is ________ your book
Are ________ my pencils
Is _______ his ruler
Are ________ his pens
Yes, it is.
No, it _______.
Yes, ______ are.
No, they aren't.
Yes, it _____.
No, it isn't.
Yes, they are.
No, they ______.
this
isn’t
these
they
that
is
those
aren’t
一般疑问句主语是this/that/these/those，
回答时用it指代this/that；用they指代these/those。
Presentation
Let's read the conversation after the tape.
Teacher: Hi, Anna. Are these your pencils
Anna: No, they’re Bob's.
Teacher: And is this his green pen
Anna: No, it isn't. The blue pen is his.
Teacher: What about this dictionary
Anna:It's Helen's. And the green pen is hers, too.
Teacher: And the eraser Is that yours
Anna: Yes, it is.
Teacher: Thank you for your help, Anna.
Anna:You're welcome.
Read the questions and complete the answers.
3b
1. Is this her ruler Yes, _______. It’s ______.
2. Is that Eric’s schoolbag No, _______. ______ Sally’s.
3. Are these his pencils Yes, _________. They’re _____.
4. Are those Anna’s books No, __________. ______ mine.
it is
hers
it isn’t
It’s
they are
his
they aren’t
They’re
Production
Put some things into the teacher’s box. Th en take one thing out of the box and fi nd the owner. You only have two guesses!
在老师的盒子里放一些物品，然后取出一件物品并找到物品的主人。你只可以猜两次！
3c
( ) 1. -Sonia, is this your dictionary
- No, it isn‘t .It’s .
A. my; him B. my; his C mine; him D. mine; his
( ) 2.--What's this
-- It's eraser.
--Is it eraser
--Yes, it is.
A. an; your B. an; yours C. a; your D. a; yours
单项选择
D
A
( ) 3.当你打扰别人时，你应该说
A. Excuse me B. How are you
C. Sorry D. Hello
( ) 4. - The blue pen is Paul’s. the green pen
- It is Helen's.
A. What about B. What is C. Who D. How is
( ) 5. -Are these your books
-No. They are .
A. my B. your C. his D. her
A
A
C
Exercises
1. Dale’s father is a teacher. ______ is a teacher, too.
A. I B. My C. Mine D. Me
2. This is my book. ＿＿ is over there.
A. Your B. Yours C. You D. Mine
3.Whose pencils are there They’re ＿＿.
A. my B. me C. mine D. our
C
B
C
4. — Excuse me, are these ___ new shoes — No, they aren’t. ____ are black over there.
A. her; Hers B. her; She C. hers; Her
5. These aren’t ____ yellow pencils. The blue pencils are___.
A. mine, my B. his, his C. hers, her
6. — Is that ____ pencil box — No, it isn’t. It’s _______.
A. Eric, Linda’s B. Linda, Eric C. Eric’s, Linda’s
A
B
C
1. — Are those your ____________ (pencil box)
— Yes, they are. They’re _____ (my).
2. — Is that _______ (Anna) green eraser.
— No, it isn’t. The red eraser is ____ (her).
3. — Are ______ (this) your keys —No, _____ (it) aren’t.
4. — Is the blue pencil ______ (your), Linda
— No, it isn’t. It’s ______ (Bob).
5. That isn’t ______ (Eric) schoolbag. ____ (his) is red.
用所给单词的适当形式填空。
these
these
mine
Anna’s
pencil boxes
hers
yours
Bob’s
Eric’s
His
Thanks for watching!