(共38张PPT)
Unit
3
Is
this
your
pencil?
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.
…..
Questions
Answers
Is
this
your
pencil?
Yes,
it
is.
It’s
mine.
/
No,
it
isn’t.
It’s
hers.
Is
this
his
green
pen?
Yes,
it
is.
/
No,
it
isn’t.
The
blur
pen
is
his.
Is
that
your
schoolbag?
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
keys?
Yes,
they
are.
/
No,
they
aren’t.
They’re
mine.
Grammar
Focus
Attention!
it’s
=
it
is
isn’t
=
is
not
aren’t
=
are
not
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
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
is
they
are
his
they
aren’t
They’re
3c
Put
some
things
into
the
teacher’s
box.
Then
take
something
out
of
the
box
and
find
the
owner.
You
only
have
two
guesses!
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
Grammar
focus
This
is
a
pencil.
Is
this
a
pencil?
This
is
my
pencil.
Is
this
your
pencil?
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
一般疑问句的肯定和否定回答:
Is
this
your
mother
?
Are
these
your
brothers
?
Yes,
it
is.
No,
it
isn’t
Yes,
they
are.
No,
they
aren’t
Is
he
your
brother
?
Yes,
he
is.
No,
he
isn’t
总结:
1.答语中的代词必须是______代词,
人称
he
、she、
it、
they、
we、
I
不能用these
不能用this
和问句中的主语保持一致
一般疑问句的肯定和否定回答:
Is
this
your
pencil
?
Are
these
your
brothers
?
Yes,
it
is.
No,
it
isn’t.
Yes,
they
are.
No,
they
aren’t.
Is
he
your
brother
?
Yes,
he
is.
No,
he
isn’t.
总结:
2.答语中的动词通常和______________________保持一致
问句中的首位动词
变为疑问句并做肯定和否定回答:
1.This
is
my
clock.
2.That
is
your
ring.
3.These
are
her
books.
4.Those
are
his
oranges.
5.Those
are
my
backpacks.
Is
this
your
clock?
Is
that
your
ring?
Are
these
her
books?
Are
those
his
oranges?
Are
those
your
backpacks?
1.--Is
this
your
_______
______?
--Yes,
_______
you.
_____
that
is
_____
___________.
2.
--_____
this
_______
key?
--Yes,
____
is.
_____
mine.
pencil
box
thank
And
my
schoolbag
Ⅰ.
根据图片完成句子。
Is
your
it
It’s
解析:It’s是It
is的缩写形式,It指代this;
“
It’s
mine.”=“It’s
my
key.”
Exercises
3.
Here’s
______
__________.
an
eraser
解析:a和an都是不定冠词,
放在单数可数名词前,
修饰
限定名词,
表示“一个、一块……”的意思。如果名词的
读音以辅音音素开头,
用不定冠词a,
如:a
banana,
a
pear;
如果名词的读音以元音音素开头,
要用不定冠词
an,
如an
orange,
an
egg。在本句中,
单词eraser是以
元音音素
[
i
]开头的词,故要用冠词an。
Ⅱ.
按要求写出下列词的相应形式。
1.
hi
(同义词)_______
2.
no
(反义词)_______
3.
are
(同音字母)_____
4.
color
(动词)________
5.
I
am
(缩写形式)______
6.
u
(同音词)_______
7.
my
(主格)________
8.
to
(同音词)____________
9.
it’s
(完整形式)_________
hello
yes
Rr
color
I’m
you
I
too/
two(二)
it
is
10.
morning
(对应词)__________
11.
this
(对应词)______
12.
a
(同义词)_______
13.
i
(大写形式)_______
14.
that’s
(完整形式)
______________
15.
my
name
is
(缩写形式)
_________________
16.
what
is
(缩写形式)
_________________
an
I
that
is
my
name’s
what’s
evening
that
1.
--Is
this
your
pen?
--_________
A.
Yes
,
this
is.
B.
Yes,
this’s.
C.
No
,
this
isn’t.
D.
No,
it
isn’t.
2.
--Is
that
a
ruler?
--_______.
It’s
a
sharpener.
A.
Yes,
that
is.
B.
No,
it
is.
C.
No,
that
isn’t.
D.
No,
it
isn’t.
D
D
Ⅲ.
单项选择
3.
--What’s
this?
--_______
A.
Yes,
it
is.
B.
No,
it
isn’t.
C.
It’s
a
eraser.
D.
It’s
an
eraser.
4.
--What’s
______
name?
--_______
name
is
Ma
Ling.
A.
your;
My
B.
your;
my
C.
your;
I
D.
you;
my
D
A
Ⅳ.
Complete
these
sentences
with
“am”,
“is”,
“are”.
1.
______
this
his
book?
Yes,
it
______.
2.
What
_____
that?
It
_____
a
book.
3.
How
______
you?
I
_____
fine,
thank
you
Is
is
is
is
are
am
1.
This
is
her
eraser.
(改为一般疑问句,
并作肯定
回答)
2.
That
is
his
pencil
sharpener.
(改为一般疑问句,
并作否定回答)
3.
this,
school,
my,
is,
card,
ID
(连词成句)
Is
this
her
eraser?
Yes,
it
is.
Is
that
his
pencil
sharpener?
No,
it
isn’t.
This
is
my
school
ID
card.
Ⅴ.句型转换
4.The
picture
is
on
the
wall.
(一般疑问句)
5.
Is
that
a
soccer
ball?
(否定回答)
6.
I’m
Cindy.
(同义句)
7.
Is
this
your
brother.
(肯定回答)
No,
it
isn’t.
My
name’s
Cindy.
Yes,
it
is.
Is
the
picture
on
the
wall?
8.
at,
please,
Kelsey,
call,
63749996
(连词成句)
9.
is,
what,
your,
box,
pencil,
color
(连词成句)
Please
call
Kelsey
at
63749996.
What
color
is
your
pencil
box?
10.
your,
is,
book,
this,
(?)
(连词成句)
Is
this
your
book?
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.
Ⅶ.改错:
1.Are
this
your
book?
2.Those
is
my
pen.
3.Is
these
his
pencils?
4.Are
those
her
ruler?
5.Are
they
your
books?
Yes,
they’re.
Is
this
your
book?/Are
these
your
books?
That
is
my
pen./Those
are
my
pens.
Are
these
his
pencils?
Are
those
her
rulers?
Are
they
your
books?
Yes,
they
are.
Homework
1.
Copy
the
new
words
of
P13
five
times;
2.
Find
out
the
English
words
of
school
things
you
know.