Unit 2 This is my sister. Section A (Grammar-3c) 原创教学课件(共25张PPT)

(共25张PPT)
Unit 2
This is my sister.
Section A (Grammar-3c)
Key words & phrases:
this; that; these; those; family photos.
Key sentences:
1. This/That is ...
2. These/Those are ...
3. —Who is he/she —She's/He's ...
4. —Who are they —They are ...
To learn to use demonstrative pronouns and personal pronouns.
学习目标
Let's describe the family photos.
This is my family photo.
This is my father.
This is my mother.
That is my sister.
Look! It’s me.
Those are my grandparents.
And I have a dog. Its name is Pipi.
This is my friend Jane. That’s my grandfather.
These are my brothers. Those are my parents.
Who’s she She’s my sister.
Who’s he He’s my brother.
Who’re they They’re my grandparents.
that’s = that is who’re = who are
who’s = who is they’re = they are
Grammar Focus
G RAMMAR
指示代词
1
2
可数名词单数变复数规则
01
指示代词
PART ONE
1. 1 指示代词的基本含义以及用法
分类 用法 示例
近指（指时间或空间上较近的人或事物） this 指代可数名词单数 This is Jenny. 这是珍妮。
these 指代可数名词复数 These are my books. 这些是我的书。
远指（指时间或空间上较远的人或事物） that 指代可数名词单数 That is my father. 那是我的爸爸。
those 指代可数名词复数 Those are cars. 那些是汽车。
讲解
一个句子中，如果主语是“this/that/these/those+名词”，则该句子常可变换成指示代词作主语的句子。
例句
This picture is Sally’s.=
This is Sally’s picture.
Those dogs are my cousin’s.=
Those are my cousin’s dogs.
（1）
主语是“this/that/these/those+名词”e/those+”
1.2 指示代词的句型转换
单数句变复数句：
① this变these，that变those；
② be动词is变成are；
③ 可数名词单数变为复数；
④ 不定冠词a/an要去掉。
01
That is an eraser. Those are erasers.
03
（2）
单数变复数的方法
This is a cat. These are cats.
02
Exersises 1
句型转换
1. That is my brother. (变为复数句)
_____ ___ my brothers.
2. It is a nice picture. (变为复数句)
____ ___ nice pictures.
3. Are these your sisters (变为单数句)
__ ____ your sister
Those are
They are
Is this
4. Are those your friends （做肯定及否定回答）
Yes, ____ ____. No, ____ ______.
5. He’s my father. （对划线部分提问） ______ he
6. They’re my grandparents. （对划线部分提问）
_____________ they
they are
they aren’t
Who’s
Who’re
A: This ______ my family.
B: Who’s he
A:______ my father.
B: __________ she
A: ________my mother.
从方括中选择恰当的单词补全对话。
is
He’s
Who’s
She’s
are, they, are, is, thanks, who’s, is, he’s, she’s
B: ______ those your grandparents
A: Yes, ______ ______.
B:______ that your brother
A: Yes. He’s my brother, Dale.
B: Oh, I see. Well, have a good day!
A: ___________! You, too.
Are
they are
Is
Thanks
02
可数名词单数变复数规则
PART TWO
可数名词单数变复数规则
一般情况下在名词后面加-s。
pencil→pencils sister→sisters
01
以辅音字母加y结尾的名词，先将y改为i，再加-es。
family→families
02
以s, x, ch, sh结尾的名词,其后加-es。
watch→watches box→boxes(盒子)
03
以f或fe结尾的名词，先将f或fe改为v，再加-es。
knife→knives(小刀) leaf→leaves(树叶)
04
04
以o结尾的名词，有的加-es，有的直接加-s。
tomato→tomatoes(西红柿) hero→heros(英雄)
photo→photos(照片)
05
特殊情况。 man→men(男人) child→children(儿童)
06
1．am __________ 　　　　　 2.is __________
3．it __________ 4.he __________
5．you __________ 6.this __________
7．day __________ 8.cup __________
9．CD __________ 10.phone __________
11．sisters __________ 12.families __________
are
are
they
they
you
these
days
cups
CDs
phones
sister
family
写出下列单词的复数形式或者单数形式。
Exersises 2
Complete the conversation and practice it with your partner.
A: That _________ my family. That’s my mother.
B: ________ he
A: ________ my father.
B: Who’s _________
A: She’s _________ sister.
B: And _________ they
A: _________ my grandparents.
is
Who’s
He’s
she
my
who’re
They’re
3a
Look at the picture. Make sentences with the words in the three boxes.
this
that
these
those
my
Your
father
mother
grandfather
grandmother
parents
grandparents
brother
sister
is/are
3b
Group Work
e.g. This is my mother.
That is my father.
These are my parents.
Those are my grandparents.
…
Bring some family photos to class. Take turns to ask and answer questions about the photos.
3c
Amy: Who's she
John: She's my grandmother.
Amy: Are these your parents
John: Yes, they are.
Summary
学会使用相关句型介绍人。
能够与同学进行介绍人的对话练习
对所学单词进行更多的了解。
Homework
Preview the new words and phrases in Section B(1a-1d).
Do the exercises in students’ book.
Unit 2
This is my sister.
Section B (1a-1d)
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