Unit 3 Is this your pencil? Section A Grammar Focus课件(共35张PPT)

(共35张PPT)
Unit
3
Is
this
your
pencil
Grammar
Focus3a-3c
Memory
games
加油！
______your
pencil
________.
It’s
mine.
___that
your______
__________.
____hers.
Review
Is
this
Yes,
it
is
Is
ruler
No,
it
isn’t
It’s
This
is
a
schoolbag.
Is
this
your
schoolbag
Yes,
it
is.
It’s
mine.
No,
it
isn’t.
It’s
his/hers.
This
is
a
pencil-box.
Is
this
your
pencil-box
Yes,
it
is.
It’s
mine.
No,
it
isn’t.
It’s
his/hers.
Conversations:
Yes,
it
is.
It’s
my
schoolbag.
Is
this
your
schoolbag
Is
this
your
book
No,
it
isn’t
.
It’s
his
book.
Chant
This
is
an
eraser.
Eraser,
eraser,
E-R-A-S-E-R,
eraser.
That
is
a
ruler.
Ruler,
ruler,
R-U-L-E-R,
ruler.
…..
Grammar
Focus
Is
this
your
pencil
Yes,
it
is.
It’s
mine.
/No,
it
isn’t.
It’s
hers.
Is
this
his
green
pen
Is
that
your
schoolbag
Yes,it
is./No,
it
isn’t.
The
blue
pen
is
his.
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
key
Yes,
they
are./No,
they
aren’t.
They’re
mine.
It’s
=it
is
isn’t
=is
not
aren’t
=are
not
名词性物主代词。
mine，hers，yours
等是名词性物主代词，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。例如：
This
is
your
ruler.
It’s
not
my
ruler.
(=
This
ruler
is
yours.
It’s
not
mine.)
这是你的尺子，它不是我的。
Those
aren’t
his
books.
They’re
her
books.
(=
Those
books
aren’t
his.
They’re
hers.
)
那些书不是他的。它们是她的。
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
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
Yes
或
No
回答的疑问句。朗读一般疑问句用升调，其简略答语用降调。
由
be
动词（am，is，are）引导的疑问句结构是：
“be
+
主语
+
其他部分？”
含有
be
动词的一般疑问句。
Is
that
your
bike
↗
那是你的自行车吗？
Are
they
your
friends
↗
他们是你的朋友吗？
其答语：
肯定回答：Yes,
主语
+
be
(am,
is,
are)
否定回答：No,
主语
+
be
(am,
is,
are)
not
--
Is
this
your
pencil
↗
这是你的铅笔吗？
--
Yes,
it
is./
No,
it
isn’t.
↘
是的。/不是。
Complete
the
questions
and
answers
about
each
picture.
根据图片补全问句和答语。
3a
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
Read
the
questions
and
complete
the
answers.
阅读问句并补全对话。
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
is
they
are
his
they
aren’t
They’re
3b
A:
Is
this
your
book
B:
Yes,
it
is.
Conversation
1
A:
Is
that
your
ruler
B:
No,
it
isn’t.
It
is
hers.
Conversation
2
A:
Is
this
your
pen
B:
Yes,
it
is.
It’s
mine.
Conversation
3
9.
The
words
that
show
ownership
I
my
(我的)
mine
He
his
(他的)
his
She
her
(她的)
her
They
their
(他们的)
theirs
It
its
(它的)
its
形容词性
物主代词
名词性
物主代词
一般疑问句
一、含义
以动词be,
have或助动词、情态动词开头，
以yes或no作回答的问句叫做一般疑问句。
回答时可以用完整的句子回答，但大多数
情况下只需作简略回答。
二、构成及答语
如果句中有动词be
(am,
is,
are)，将动词
提到主语前，并大写开头字母，句末用
问号，主语第一人称变第二人称，即变成
了一般疑问句。
一般疑问句要用Yes或No来回答。它的
肯定答语是Yes,
it
is.
否定答语是No，
it
isn’t.
注意答语用it代替this/that。
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
Ⅵ.将下列句子变为一般疑问句，并作简要回答。
1.
This
is
Gina.
2.
That
is
his
brother.
　　
Is
this
Gina
Yes,
she
is./No,
she
isn’t.
Is
that
his
brother
Yes,
he
is./No,
he
isn’t.
3.
He
is
my
good
friend.
4.
These
are
nice
pictures.
5.
Those
are
school
things.
Is
he
your
good
friend
Yes,
he
is./No,
he
isn’t.
Are
these
nice
pictures
Yes,
they
are.
/No,
they
aren’t.
Are
these
school
things
Yes,
they
are./No,
they
aren’t.
Take
something
out
of
the
box
and
find
the
owner.
You
only
have
two
guesses!
从盒子里
取出物品并找到它们的主人。你只有两次猜测机会!
3c
这是你的铅笔吗？
__
____
your
pencil
是的。它是我的。
Yes,
___
___.
It’s
_____.
不是。它是她的。
No,
__
_____.
It’s
_____.
Is
this
mine
it
isn’t
it
is
一、重点句型。
hers
EXERCISES
2.
这是他的绿色钢笔吗？
___
this
___
green
pen
是的。/
不是。
Yes,
___
___.
/
No,
___
_____.
蓝色的钢笔是他的。
The
____
____
is
_____.
it
isn’t
it
is
Is
his
blue
pen
his
3.
那是你的书包吗？
__
____
your
schoolbag
是的。
Yes,
___
___.
不是。是他的。
No,
__
____.
_____
his.
Is
that
it
is
it
isn’t
It’s
4.
这些是你的书吗？
____
______
your
books
是的。
Yes,
____
____.
不是。它们是她的。
No,
_____
______.
_______
hers.
Are
these
they
are
they
aren’t
They’re
5.
那些是她的钥匙吗？
____
_____
her
_____
是的。
Yes,
____
____.
不是。它们是我的。
No,
_____
______.
_______
mine.
they
are
they
aren’t
Are
those
keys
They’re
1.
it
is
=
______
2.
they
are
=
_______
3.
is
not
=
_______
4.
are
not
=
_______
5.
that
is
=
_______
6.
name
is
=
________
it’s
二、写出下列表达方式的缩写形式。
they’re
isn’t
aren’t
that’s
name’s
将下列句子变为一般疑问句，并作简要回答。
1.
This
is
Gina.
2.
That
is
his
brother.
　　
Is
this
Gina
Yes,
she
is./No,
she
isn’t.
Is
that
his
brother
Yes,
he
is./No,
he
isn’t.
3.
He
is
my
good
friend.
4.
These
are
nice
pictures.
5.
Those
are
school
things.
Is
he
your
good
friend
Yes,
he
is./No,
he
isn’t.
Are
these
nice
pictures
Yes,
they
are.
/No,
they
aren’t.
Are
these
school
things
Yes,
they
are./No,
they
aren’t.
Homework
Make
your
own
conversations
using
the
things
in
your
classroom.
Thank
you
!