(共21张PPT)
Unit 2 This is my sister.
Section A 3a-3c
1. To learn the usage of demonstrative pronouns this, that, these, those
2. To learn to ask and answer who questions
Learning Objectives
Warm up
Talk about the family photo
This is my family photo.
This is my father.
This is ....
This ...
Look! It’s me.
These ...
...
Presentation
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.
介绍别人
询问别人
指示代词
Grammar focus
1.指示代词
(1)定义:
指示代词是用来指示或标识人或事物的代词。指示代词表示“这个”“那个”“这些”“那些”等含义。指示代词有名词和限定词的功能。表近指的指示代词有 ______, ______; 表远指的指示代词有 _____, ______。
this
these
that
those
(2)用法:
①this和these表示所指的人或物距离说话人比较近,而that和those表示所指的人或物距离说话人比较远。如:
_____ is an orange and _____ is an apple.
这是一个橙子,那是一个苹果。
②从数上来看,this和that指单数, these和those指复数。如:
_____ is my mother.这是我妈妈。
______ are my parents.这是我的父母。
This
that
This
These
③this和that用作电话用语时,this指自己,而that指对方。如:
Hello, _____ is Mary. Is_____ Xiaoli
喂!我是玛丽。你是小丽吗?
this
that
④当指示代词在疑问句中作主语时,其答句主语的变化:this, that→it; these, those→they。如:
—Is_____ a book?这是一本书吗?
—Yes, ____ is.是的,它是。
—Are_____ your friends 那些是你的朋友吗?
—Yes, _____ are.是的,他们是。
this
it
those
they
2.单数句与复数句的转换
(1)指示代词的变化: this这个→these 这些;that那个→those 那些
This/That is a ruler.→____________ are rulers.
(2)人称代词的变化: I我→we 我们;you你→you 你们;he他/she她/it它→they他们/她们/它们
She is in China now.→_____ are in China now.
These/Those
They
(3)be 动词的变化: am→are; is→are
I'm a boy.→We ____ boys.
(4)可数名词单数形式变为复数形式,将单数句中的不定冠词a/an去掉。
It's an orange.→They're ________.
are
oranges
询问别人
Who's she/ he/ they 她/ 他/ 他们是谁?
[探究] 该句是由特殊疑问词who引导的特殊疑问句,一般用来询问某人是谁或什么身份。be动词的形式应由其后的主语来决定。答语通常为“主语(常用主格人称代词)+be+姓名/身份”或直接用姓名或身份作答。
—Who is the girl
那个女孩是谁?
—She's Mary/my sister./Mary./My sister.
她是玛丽/我的妹妹。/玛丽。/我的妹妹。
Complete the conversation and practice the conversation with your partner.
3a
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 / Who is
He’s / He is
she
my
who’re / who are
They’re / They are
Look at the picture. Make sentences with the words in the three boxes.
3b
this
that
these
those
father mother
grandfather grandmother
parents grandparents
brother sister
my
your
3b
Look at the picture. Make sentences with the words in the three boxes.
e.g. This is my mother.
That is my father.
These are my parents.
Those are my grandparents.
…
3c
Bring some family photos to class. Take turns to ask and answer questions about the photos.
Who’s she
She’s my grandmother.
1.Those ________ my good friends.
2.I ________ a student.
3.She ________ my sister.
4.________ he your brother
5.________ these your books
Exercise
用am, is或are填空
are
am
is
Is
Are
6.This is a pen.(改为一般疑问句,并作肯定回答)
—________ ________ a pen
—Yes, ________ is.
7.That is an orange orange.(改为否定句)
________ ________ an orange orange.
8.This is a red pencil.(改为复数句)
________ ________ red pencils.
Exercise
按要求完成下列各题,每空一词
it
Is this
That isn't
These are
9.Those are English girls.(改为单数句)
________ ________ ________ English girl.
10.What are these (改为单数句)
What ________ ________
11.Are these her keys (作否定回答)
No, ________ ________.
12.It is a blue pen.(对画线部分提问)
________ ________
That is an
is this
they aren't
What's this/that
Summary
GOOD JOB