(共26张PPT)
Unit 3
Sentence pattern and grammer
What things are mentioned(提到) in the video
some school things
a pen
a pencil
a book
an eraser
a ruler
a pencil box
a schoolbag
a dictionary
some school things
a baseball
a key
an ID card
a ring
a watch
a notebook
a computer game
A: What’s this
B: It’s a/an...
A: How do you spell it
B: ...
A:Thank you!
B:You’re welcome.
Work in pairs
pens
rulers
pencils
pencil boxes
books
dictionaries
schoolbags
erasers
What are these They are…
What are these They are…
baseballs
ID cards
rings
watches
keys
notebooks
computer games
Pattern1
A：Excuse me, Is this/that your eraser
B：No,it isn’t .It isn’t my eraser. It isn’t mine.
A：Whose eraser is this/that
B：It’s Tom’s eraser. It’s Tom’s. It’s his eraser. It’s his.
A：Excuse me, Tom. Is this your eraser
C：Yes,it is. It’s my eraser. It’s mine.
A：Here you are.
C：Thank you.
A：You are welcome.
Recite
A：Excuse me, Is this/that your eraser
B：No,it isn’t .It isn’t my eraser. It isn’t mine.
A：Whose eraser is this/that
B：It’s Tom’s eraser. It’s Tom’s. It’s his eraser. It’s his.
A：Excuse me, Tom. Is this your eraser
C：Yes,it is. It’s my eraser. It’s mine.
A：Here you are.
C：Thank you.
A：You are welcome.
Pattern1 Fill the blanks
A：Excuse me, Is this/that your eraser
B：No,it isn’t .It isn’t my eraser. It isn’t mine.
A：Whose eraser is this/that
B：It’s Tom’s eraser. It’s Tom’s. It’s his eraser. It’s his.
A：Excuse me, Tom. Is this your eraser
C：Yes,it is. It’s my eraser. It’s mine.
A：Here you are.
C：Thank you.
A：You are welcome.
your eraser
my eraser
mine
Tom’s eraser
Tom’s
his eraser
his
your eraser
my eraser
mine
Work in 3 to practice.
A：Excuse me, Is this/that your...
B：No, It isn’t .It isn’t.... It isn’t...
A：Whose ... is this/that
B：It’s ... It’s ... It’s ... It’s ...
A：Excuse me, ... Is this your ...
C：Yes,it is. It’s ... It’s ...
A：Here you are.
C：Thank you.
A：You are welcome.
A:Excuse me, are these/those your erasers
B:No,they aren’t my erasers. They aren’t mine.
A:Whose erasers are these
B: They are Tom’s and Lucy’s erasers.They are their erasers. They are theirs.
A: Excuse me, Tom and Lucy. Are these your erasers
C/D: Yes, they are. They are our erasers. They are ours.
A:Here you are.
C/D: Thank you!
A:You are welcome.
Pattern2
A:Excuse me, are these/those your erasers
B:No,they aren’t my erasers. They aren’t mine.
A:Whose erasers are these
B: They are Tom’s and Lucy’s erasers.They are their erasers. They are theirs.
A: Excuse me, Tom and Lucy. Are these your erasers
C/D: Yes, they are. They are our erasers. They are ours.
A:Here you are.
C/D: Thank you!
A:You are welcome.
Recite
Pattern2 Fill the blanks
A:Excuse me, are these/those your erasers
B:No,they aren’t my erasers. They aren’t mine.
A:Whose erasers are these
B: They are Tom’s and Lucy’s erasers.They are their erasers. They are theirs.
A: Excuse me, Tom and Lucy. Are these your erasers
C/D: Yes, they are. They are our erasers. They are ours.
A:Here you are.
C/D: Thank you!
A:You are welcome.
your erasers
my erasers
mine
Tom’s and Lucy’s erasers
their erasers
theirs
your erasers
our erasers
ours
A:Excuse me, are these/those your ...
B:No,they aren’t ... They aren’t ...
A:Whose ... are these
B: They are ...They are ... They are ...
A: Excuse me, ... Are these your ...
C/D: Yes, they are. They are ... They are ...
A:Here you are.
C/D: Thank you!
A:You are welcome.
Work in groups
形容词性物主代词
my我的
your你的
his他的
her她的
our我们的
their他们的
+名词
+名词
=
=
名词性物主代词
mine我的
yours你的
his他的
hers她的
ours 我们的
theirs 他们的
It’s my cup. = It’s mine.
It’s your pen. = It’s yours.
They are her quilts. = They are hers.
They are his rulers. = They are his.
Rules
形容词性物主代词和名词性物主代词
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
Rules
口诀：
his,its 无变化
my, mine记牢它
其余变形规律化
形容词后加尾巴（s)
主格人称代词 宾格人称代词 物主代词 形容词性 名词性
I
you
he
she
it
we
you
they
me
you
him
her
my
mine
your
yourss
his
his
her
herss
it
us
you
them
its
our
your
their
its
yours
ours
theirs
Rules
使用名词性物主代词应注意:
1.Mine=my +sth, 以免名词重复.
This is her book._____ is on the desk.
2.名词性物主代词后不能再接名词.
This is her book. Mine book is
on the desk. (错)
Mine
Mine
Rules
3.名词性物主代词作主语时,谓语动词的单,复数与它所代的名词有关.
His pens are red. Mine ______ blue.
Her schoolbag is white. Hers___ white
4. “Of +名词性物主代词” 表示许多中的一个.
He is a friend of mine.他是我朋友中的一个。
are
is
Rules
名词所有格：..的
It’s Tom’s eraser.
They are Tom’s and Lucy’s erasers.
Rules
二1.表示有生命的事物的名词，后加 's来表示所有关系。
主要有of和's(')两种表示方式。
2.某些表示时间、距离、城镇、国家等无生命的东西的名词，后加 's来表示所有关系
一：表示多数无生命的事物的名词之间使用of进行连接。
a photo of family
a map of China
It’s Tom’s eraser.
Teachers’ Day
Tom’s and Lucy’s erasers
Tom and Lucy’s eraser
five minutes’ walk
three days’ holiday
England’s shore
3.双重所有格
a friend of my brothers’
=one of my brother’s friends
结构：be + 主语 + 其他部分？
意思：……吗？
答句：Yes / No开头回答。
注意：肯定回答不可以缩写
朗读：一般疑问句用升调
例如：Is it your schoolbag
Yes, it is./ No, it isn’t.
Are these his dictionaries
Yes, they are./ No, they aren’t.
含有 be 动词的一般疑问句
Rules
1. That is his schoolbag. (变为一般疑问句)
__ ____ his schoolbag (作肯定及否定回答)
Yes, __ __. / No, __ _____.
2. These are her erasers. (变为一般疑问句)
____ _____ her erasers (作肯定及否定回答)
Yes, _____ ____. / No, ____ _______.
句型转换
Is that
they are
it isn’t
it is
Are these
they aren’t
Exercises
3a Complete the questions and answers about each picture.
Is _______ your book Yes, it is.
No, it _______.
Are _______ my pencils Yes, ______ are.
No, they aren’t.
Is _____ his ruler Yes, it ______.
No, it isn’t.
Are ______ her pens Yes, they are.
No, they ______.
this
isn’t
these
they
that
is
those
aren’t
Exercises
3b Read the questions and complete the answers.
Is this her ruler
Is that Eric’s schoolbag
Are these his pencils
Are those Anna’s books
Yes, ___________. It’s _________.
No, ___________. ________ Sally’s.
Yes, ___________. They’re_________.
No, ___________. ____________ mine.
it is
hers
it isn’t
It’s
they are
his
they aren’t
They’re
Exercises
练习册第三单元句型
A：Excuse me, Is this/that your eraser
B：No. It isn’t .It isn’t my eraser. It isn’t mine.
A：Whose eraser is this/that
B：It’s Tom’s eraser. It’s Tom’s. It’s his eraser. It’s his.
A：Excuse me, Tom. Is this your eraser
C：Yes，it is. It’s my eraser. It’s mine.
A：Here you are.
C：Thank you.
A：You are welcome.
A：Excuse me,are these/those your erasers
B：No,they aren’t. They aren’t my erasers. They aren’t mine.
A：Whose erasers are these
B：They are Tom’s and Lucy's erasers.
They are their erasers. They are theirs.
A：Excuse me, Tom and Lucy. Are these your erasers
C/D: Yes,they are. They are our erasers. They're ours.
A：Here you are.
C/D: Thank you.
A：You are welcome.
