Unit 3 Is this your pencil? SectionA Grammar Focus-3c 课件(共26张PPT)

(共26张PPT)
Is this your pencil
Section A Grammar Focus
Unit 3
A: What’s this in English
B: It’s a/an ….
A: How do you spell it
B: ….
A: Is this your ….
B: No, it isn’t. It’s his/hers (=his…/her...)
Yes, it is. It’s mine(=my…)
Revision:
your
his
her
your
his
her
Is this ________ schoolbag
Yes, it is.
No, it isn’t. It’s his/hers.
Practice
that
his
hers
Practice
Are these your pencils
No, they aren’t.
They re his/hers.
your
his
her
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.
Is this ______ pencil (这是你的铅笔吗？)
Yes, it is. It’s _______. (是的，它是。他是我的)
No, it isn’t. It’s _______. (不，不是。它是她的。)
Is this ______ green pen (这是他的绿色钢笔吗？)
Yes, it is. (是的，它是。)
No, it isn’t. The blue pen is _____.
(不，不是。这只蓝色钢笔是他的。)
Is that ______ schoolbag (那是你的书包吗？)
Yes, it is. (是的，它是。)
No, it isn’t. It’s ______. (不，不是。它是他的。)
Grammar Focus
your
mine
hers
his
his
your
his
Are these ______books (这些书是你的吗 )
Yes, they are. (是的，它们是。)
No, they aren’t. They’re _______.
(不，它们不是。它们是她的。)
Are those ______ keys (那些钥匙是她的吗 )
Yes, they are. (是的，它们是。)
No, they aren’t. They’re ________.
(不，它们不是。它们是我的。)
Grammar Focus
your
mine
hers
her
be动词构成的一般疑问句
一调：找到句中的be动词（am , is ,are)，把be动调到主语前
This is his book. Is this his book
二改：句中的主语若含有I (my /we )等第一人称代词时，需将它们改为you (your /you ）
This is my pencil . Is this your pencil
三问号：将句末的句号改为问号
如何将含be动词的肯定句变为否定句
一般将含be动词am, is ,are 的肯定句转化为否定句时，直接在be动词am, is ,are 后加上“not”即可。其他部分不变。
e.g.1. This is a ruler .
变：This is not a ruler .
2. I am a student .
变：I am not a student.
3. Tim and I are good friends.
变：Tim and I are not good friends .
be动词用法口诀
我(I)用am，你(you)用are，
is连着他(he)，她(she)，它(it)，
其余单数用(is)，复数就用are。
be动词的一般疑问句Ⅱ：
在第一单元我们已经初步学习了含有be动词的一般疑问句，即：“Be动词＋主语(人称代词)＋其他？”。本单元重点学习be动词引导的一般疑问句，其结构为：“Be动词＋主语(指示代词)＋其他？”。当主语是指示代词this/that，作简略回答时，要用it代替；当主语是指示代词these/those，作简略回答时，要用they代替。
如：—Is this his book？这是他的书吗？
—Yes，it is.是，它是。
—Are these your books？这些是你的书吗？
—No，they aren't.不，它们不是。
名词性物主代词：
在英语中，物主代词是表示所有关系的代词，分为形容词性物主代词(第一单元已学过)和名词性物主代词(本单元所讲)两种。
概念：名词性物主代词也是用来表示所有关系的代词，有人称和数的变化。
与形容词性物主代词之间的关系：
名词性物主代词＝相应的形容词性物主代词＋名词
如：This is my bike.That is yours.(yours＝your bike)这是我的自行车，那是你的(自行车)。
第一人称 第二人称 第三人称
单数 mine yours his/hers/its
复数 ours yours theirs
用法：①名词性物主代词在句中能单独使用，后面不能接名词，其作用相当于一个名词，通常在句中作主语、宾语或表语。
②名词性物主代词在作主语时，谓语动词的数应随所指者的数来定。
如：This red pencil is mine.Hers is black.(Hers＝her pencil)这支红色的铅笔是我的，她的(铅笔)是黑色的。
These books are his.Yours are over there.(Yours＝Your books)这些书是他的，你的(书)在那边。
I
you
she
he
我/你/她/他
my mine
yours
hers
我的/你的
她的/他的
her
his
his
your
主格(作主语)
形容词性物主代词
后面必须跟名词
后面不能跟名词
名词性物主代词
人称代词
Let's practice!
This isn't my friend.
1. This is my friend.（改为否定句）
2. They are her pencil boxes.（改为否定句）
They aren't her pencil boxes.
3. Are these your dictionaries （作否定回答）
No, they aren't .
Yes, it ___.
Is ____ his ruler
Are _____ my pencils
Yes, ____ are.
No, it ___.
Is ____ your book
No, they ______.
Are _____ her pens
this
these
isn’t
they
that
those
is
3a
Complete the questions and answers about each picture.
Yes, it is.
No, they aren’t.
No, it isn’t.
Yes, they are.
aren’t
1. Is this her ruler
2. Is that Eric’s ruler
3. Are these his pencils
4. Are those Anna’s books
Yes, _______. They’re ___.
No, ______. ___ Sally’s.
No, __________. ________ mine.
Yes, ____. It’s _____.
Read the questions and complete the answers.
it is
3b
hers
it isn’t
It’s
they are
his
they aren’t
They’re
his = his pencils
mine = my books
hers= her ruler
Sally's= Sally's ruler
Put some things into the teacher’s box.
Then take something out of the box and find
the owner. You only have two guesses!
3c
-Excuse me, is this your eraser
-Yes, it is. It's mine.
-No, it isn't. It's hers/his.
3c
用括号里所给词的正确形式填空
1.That isn't ____ pen, ___ is orange.(I)
2._____ ask ______ teacher for help. (I)
3.This is _____ (she) book,that’s _____ (you).
4.These pens aren’t _____ ( I ) , they’re ____ (she).
5.This is _____ notebook,and the computer game is _____ ,too. (he)
6. ____ is my sister, Anna is ____ name. (she)
my
I
her
mine
his
She
mine
my
yours
hers
his
her
Exercise
句型转换
1. This is her eraser. (改为一般疑问句, 并作肯定
回答)
2. That is his pencil sharpener. (改为一般疑问句,
并作否定回答)
3. this, school, my, is, card, ID (连词成句)
Is this her eraser Yes, it is.
Is that his pencil sharpener No, it isn’t.
This is my school ID card.
句型转换
1. This is her eraser. (改为一般疑问句, 并作肯定
回答)
2. That is his pencil sharpener. (改为一般疑问句,
并作否定回答)
3. this, school, my, is, card, ID (连词成句)
Is this her eraser Yes, it is.
Is that his pencil sharpener No, it isn’t.
This is my school ID card.
句子改错
1.Are this your book
2.Those is my pen.
3.Is these his pencils
4.Are those her ruler
5.Are they your books Yes, they’re.
Is this your book /Are these your books
That is my pen./Those are my pens.
Are these his pencils
Are those her rulers
Are they your books Yes, they are.
Homework
1. 完成课堂手册第3课时（p41）
2.完成课时精练第3课时（p42-43）
Thank You!