(共32张PPT)
Topic
3
How
old
are
you?
Unit
1
Making
New
Friends
Section
B
Let’s
review
A:
Hello,
I
am
Kangkang.
What’s
your
name?
B:
My
name
is
Lily.
A:
How
old
are
you?
B:
I
am
thirteen.
A:
What
class
are
you
in?
B:
I
am
in
Class
Three,
Grade
Seven.
A:
Who’s
that?
B:
That’s
Maria.
This
is
a
CD.
This
is
a
TV.
What’s
this
in
English?
It’s
a
pencil.
It’s
an
eraser.
What’s
this
in
English?
It’s
an
apple.
What’s
this
in
English?
It’s
a
map.
What’s
this
in
English?
It’s
a
book.
What’s
this
in
English?
a和an的区别
a/an被称作不定冠词,用在单数可数名词前,表达某一个人或事物中的一个,相当于汉语的“一”,
但不强调数目概念。
a/an用法的区别:
1.
a
用在以辅音音素开头的单词前。
例如:a
book,
a
desk
2.
an
用在以元音音素开头的单词前。
例如:an
egg,
an
apple
a
car
a
pencil
a
pen
a
book
a
map
an
apple
an
orange
an
eraser
an
egg
Let’s
say
together.
A:
What’s
this
in
English?
B:
It’s
an
eraser.
A:
How
do
you
spell
it?
B:
E-R-A-S-E-R,
eraser.
Look,
listen
and
say.
A:
What’s
this
in
English?
B:
It’s
a
pen.
A:
How
do
you
spell
it?
B:
P-E-N,
pen.
A:
Thank
you.
B:
That’s
OK.
A:
What’s
that
in
English?
B:
It’s
a
toy.
A:
Can
you
spell
it,
please?
B:
Yes.
T-O-Y,
toy.
A:
Thanks.
B:
You’re
welcome.
—What’s
this
in
English?
—It’s
.
—How
do
you
spell
it?
—B-O-O-K,
.
a
book
book
—What’s
this
in
English?
—It’s
.
—How
do
you
spell
it?
—P-E-N-C-I-L-B-O-X,
.
a
pencil
box
pencil
box
—What’s
this
in
English?
—It’s
.
—How
do
you
spell
it?
—P-E-N,
.
a
pen
pen
—What’s
this
in
English?
—It’s
.
—How
do
you
spell
it?
—E-R-A-S-E-R,
.
an
eraser
eraser
—What’s
this
in
English?
—It’s
.
—How
do
you
spell
it?
—R-U-L-E-R,
.
a
ruler
ruler
1b
Listen
and
complete
the
conversations.
this
a
pencil
You’re
welcome
that
an
Can
you
spell
it
Thanks
Practice
What’s
this/that
in
English?
It’s
a/an
…
How
do
you
spell
it?
/
Can
you
spell
it?
…
Enjoy
the
video
Listen
and
complete
the
conversation
with
the
correct
words.
Then
practice
with
your
partner.
Is
that
a
toy,
too?
An
eraser?
Wow!
No,
it’s
an
_______.
No,
it
isn’t.
It’s
a
____.
Is
this
a
_________?
telephone
toy
eraser
This
is
an
eraser.
That
is
a
toy.
Is
this
an
eraser?
Is
that
a
toy?
be动词的位置发生了变化。
句型也由陈述句变成了一般疑问句。
Fill
in
the
blanks.
A:
Is
this
an
eraser?
B:
Yes,
_____.
A:
Thank
you.
A:
Is
that
a
pen?
B:
No,
_______.
It
is
a
pencil.
it
is
it
isn’t
A:
What’s
this
in
English?
B:
Is
it
a/an
…?
Let’s
play
a
game
Touch
and
guess
what
it
is
with
eyes
covered.
Use
sentences
of
identifying
objects.
Example:
What’s
this
in
English?
Is
it
a/an
…?
Yes,
it
is.
How
do
you
spell
it?
/
No,
it
isn’t.
Please
try
again.
Sum
up
1.
Patterns:
What’s
this/that
in
English?
It’s
a/an
…
How
do
you
spell
it?
/
Can
you
spell
it?
Is
this/that
a/an
…?
Yes,
it
is.
/
No,
it
isn’t.
2.
New
words:
a/an,
spell,
can,
please
Homework
1.总结:在学过的名词中,哪些前面加a,哪些前面加an。
2.参考1a/2a,自编两则对话。