lesson 3 A computer has a keyboard 课件(共35张PPT)

(共35张PPT)
Lesson3
A
computer
has
a
keyboard
科普版
五年级上
Lesson
3
A
computer
has
a
keyboard!
Lesson3:
Vocabulary:词汇
eye
[a?]
眼睛
ear
[??(r)]
耳朵
arm
[ɑ?m]
手臂
nose
[n??z]
鼻子
mouth
[ma?θ]
嘴巴
hand
[h?nd]
手
Lesson3:
Vocabulary:词汇
screen
[skri?n]
屏幕
mouse
[ma?s]
鼠标,老鼠
keyboard
[?ki?b??d]
键盘
Lesson3:
Vocabulary:词汇检测
根据句子含义补全单词，使句意完整：
Rabbits
have
two
long
e_______.
The
duck’s
m
_____is
very
big.
This
computer
doesn’t
have
a
k_______.
I
need
a
m_____
to
click
the
screen.
Her
h
______
are
thin.
Lesson3:
Vocabulary:词汇检测
答案解析：
Rabbits
have
two
long
ears.
The
duck’s
mouth
is
very
big.
This
computer
doesn’t
have
a
keyboard.
I
need
a
mouse
to
click
the
screen.
Her
hands
are
thin.
Lesson3:
Let’s
talk:速读与理解
(Q=Qiqi,
E=
Eve,
C
=
Cat
)
Q:
Oh!
You
have
a
nice
TV.
E:
No,
it’s
not
a
TV.
It’s
a
computer.
Q:
But
it
looks
like
a
TV.
E:
Yes.
But
a
computer
has
a
keyboard.
Q:
What’s
that?
E:
It’s
a
mouse.
Q:
Does
a
TV
have
a
mouse,
too?
E:
No,
it
doesn’t.
C:
Where
is
the
mouse?
Let
me
catch
it.
E:
Look!
Here
it
is!
Lesson3:
Let’s
talk
重点讲解
01
But
it
looks
like
a
TV.
但是它看起来像一个电视机。
but:
但是，表示转折
look
like..：
看起来像…，
其中
like为介词，表示“像…”
经典例题：A
computer
doesn’t
have
remote
control（遥控器）,___
it
has
a
mouse.
A
and
B
but
C
or
02
A
computer
has
a
keyboard.
电脑有键盘。
has:
have的第三人称单数，表示一种客观拥有。
当主语是第三人称单数时，谓语动词用has.
经典例题：
She
______(have)
two
big
eyes.
Lesson3:
Let’s
talk
重点讲解
03
What’s
that?
It’s
a
mouse.
那是什么？是鼠标。
用
this,
that问，用it回答;
用these,
those问，用they回答。
经典例题：Is
that
your
book?（作肯定回答）
_________
04
Does
a
TV
have
a
mouse,
too?
电视机也有鼠标吗？
一般疑问句，根据主语a
TV为单数，故选助动词does.
Does为助动词,
后面加动词原形，故为have.
其肯定句：
A
TV
has
a
mouse.
--主语前面加助动词Does,
动词单数has变have
经典例题：
______
she
_____(play)
computer
games?
She
has
a
big
mouth.（变一般疑问句）___________
Lesson3:
Let’s
talk
重点讲解
05
Let
me
catch
it.
让我抓住它。
Let+人称代词宾格+动词原形。
否定句：
Let
me
not
catch
it.
经典例题：
Let
_____(he)
come
back
quickly.
Here
it
is!
它在这里。
Here
引导的句子一般要采用倒装，例如
Here
is
a
mouse!
但主语是人称代词主格时，不需要倒装，
例如
Here
it
is!
经典例题：
Here
_____(be)
a
book
and
two
pens.
Lesson3:
Let’s
talk：趁热打铁
单项选择题：
1.
It
______a
TV.
A
looks
at
B
looks
C
looks
like
2.
What’s
that?
______a
mouse.
A
It’s
B
They’re
C
That
is
3.
Does
a
TV
____a
mouse?
A
has
B
have
C
having
4.
_____
your
friends
have
a
computer?
A
Does
B
Are
C
Do
Let
us
_____a
mouse.
A
buy
B
to
buy
C
buying
Lesson3:
Let’s
talk：趁热打铁
答案解析：
1.
It
______a
TV.
A
looks
at
B
looks
C
looks
like
2.
What’s
that?
______a
mouse.
A
It’s
B
They’re
C
That
is
3.
Does
a
TV
____a
mouse?
A
has
B
have
C
having
4.
_____
your
friends
have
a
computer?
A
Does
B
Are
C
Do
Let
us
_____a
mouse.
A
buy
B
to
buy
C
buying
Lesson3:
Let’s
learn
按照示例写两组句子：
___________________________
___________________________
___________________________
___________________________
Lesson3:
Let’s
learn
答案参考：
Does
a
TV
have
a
mouse?
No,
it
doesn’t.
Does
a
computer
have
a
keyboard?
Yes,
it
does.
Lesson3:
Let’s
learn
详解：
Does
a
TV
have
a
screen?
一般疑问句的由来：
A
TV
has
a
screen.
电视有一个屏幕
主语：
a
TV
谓语：
has
宾语：
a
screen
变一般疑问句，看主语或谓语均可，若是第三人称单数，主语前面加助动词
Does;
若是复数或一二人称，用助动词Do.
不管是选择Do还是Does,谓语动词均要用原形.
因此，主语和宾语没变，谓语变原形，主语前面加助动词即可。
回答：Yes/
No，人称代词主格+do/does.
用什么问，用什么答
Lesson3:
Let’s
learn:趁热打铁
按要求写句子：
01.
Computers
have
a
mouse
.（变成一般疑问句）
____________________________________
02.
Does
she
have
a
computer?（否定回答）
____________________________________
03.
Do
your
parents
have
big
eyes?（作肯定回答）
____________________________________
04
The
girl
has
a
blue
cap.（变成一般疑问句）
____________________________________
Lesson3:
Let’s
learn:趁热打铁
答案解析：
01.
Computers
have
a
mouse
.（变成一般疑问句）
Do
computers
have
a
mouse?
02.
Does
she
have
a
computer?（否定回答）
No,
she
doesn’t.
03.
Do
your
parents
have
big
eyes?（作肯定回答）
Yes,
they
do.
04
The
girl
has
a
blue
cap.（变成一般疑问句）
Does
the
girl
have
a
blue
cap?
Lesson3:
Listen
and
say
Find
the
differences:
1.
In
picture
1
the
computer
has
a
mouse.
But
in
picture
2
the
computer
doesn’t
have
a
mouse.
2.
In
picture
1
the
girl
has
a
brown
dog.
But
in
picture
2
the
girl
has
a
white
dog.
_____________________________________
Lesson3:
Listen
and
say
Find
the
differences:
1.
In
picture
1
the
computer
has
a
mouse.
But
in
picture
2
the
computer
doesn’t
have
a
mouse.
2.
In
picture
1
the
girl
has
a
brown
dog.
But
in
picture
2
the
girl
has
a
white
dog.
3.
In
picture
1
the
girl
has
a
green
bag.
But
in
picture
2
the
girl
has
a
blue
bag
Lesson3:
Listen
and
say
Find
the
differences:
1.
In
picture
1
the
computer
has
a
mouse.
But
in
picture
2
the
computer
doesn’t
have
a
mouse.
2.
In
picture
1
the
girl
has
a
brown
dog.
But
in
picture
2
the
girl
has
a
white
dog.
The
computer
doesn’t
have
a
mouse.
电脑没有鼠标。
肯定句：
The
computer
has
a
mouse.
变否：根据主语或谓语，确定don’t/
doesn’t;
has为单数，在主语后面加doesn’t
has变have(助动词后+动词原形）
即
The
computer
doesn’t
have
a
mouse.
(其它没变，变化的点均是围绕助动词）
Lesson3:
Listen
and
say
:小练习
按要求写句子：
1.
The
computer
has
a
keyboard.（变否定句）
___________________________________
2.
The
girl
has
a
brown
dog
.（变否定句）
___________________________________
We
have
many
friends.（变否定句）
____________________________________
4.
他们没有鼠标和键盘。（汉译英）
____________________________________
Lesson3:
Listen
and
say
:小练习
答案解析：
1.
The
computer
has
a
keyboard.（变否定句）
The
computer
doesn’t
have
a
keyboard.
2.
The
girl
has
a
brown
dog
.（变否定句）
The
girl
doesn’t
have
a
brown
dog.
We
have
many
friends.（变否定句）
We
don’t
have
many
friends.
4.
他们没有鼠标和键盘。（汉译英）
The
don’t
have
a
mouse
or
keyboard.
Lesson3:
Read
have
强调某物归…所有
play
with
sb:
和某人玩
Have
a
guess.
猜一猜
同义句：He
doesn’t
have
any
legs.
Lesson3:
Read
Lesson3:
Read
write
letters
写信
Lesson3:
Read
练习
单项选择：
I
play
_____him
every
day.
A
to
B
with
C
in
_____he
tall?
A
Does
B
Do
C
Is
3.
Does
he
______
ears
and
eyes?
A
have
B
has
C
is
4.
He
can
____.
A
sings
B
singing
C
sing
He
doesn’t
have
hands,
____he
can
write
letters.
A
and
B
but
C
or
Lesson3:
Read
练习
答案解析：
I
play
_____him
every
day.
A
to
B
with
C
in
_____he
tall?
A
Does
B
Do
C
Is
3.
Does
he
______
ears
and
eyes?
A
have
B
has
C
is
4.
He
can
____.
A
sings
B
singing
C
sing
He
doesn’t
have
hands,
____he
can
write
letters.
A
and
B
but
C
or
Lesson3:随堂练习
一、单项选择：
Computers
______a
keyboard
and
mouse.
A
has
B
have
C
is
2.
There
______
a
dog
beside
the
girl.
A
has
B
are
C
is
_____
a
TV
have
a
screen?
A
Does
B
Do
C
Is
She
doesn’t
______
maths.
A
likes
B
like
C
to
like
5.
Does
a
dog
have
four
legs?
--________.
A
Yes,
a
dog
does.
B
Yes,
it
do.
C
No,
it
is.
Lesson3:随堂练习
答案解析：
Computers
______a
keyboard
and
mouse.
A
has
B
have
C
is
2.
There
______
a
dog
beside
the
girl.
A
has
B
are
C
is
_____
a
TV
have
a
screen?
A
Does
B
Do
C
Is
She
doesn’t
______
maths.
A
likes
B
like
C
to
like
5.
Does
a
dog
have
four
legs?
--________.
A
Yes,
a
dog
does.
B
Yes,
it
does.
C
No,
it
is.
Lesson3:
随堂练习
二、英汉互译：
他没有腿。
He
_____
_____
legs.
2.
它有手吗？
_____
it
_____
_____?
3.
她很高吗？
____
she
______?
4.
这台电脑没有键盘和鼠标。
The
computer
______
______
a
_____
or
_______.
5.
她没有嘴，但是她能唱歌。
She
____
have
a
______.
______
she
_____
______.
Lesson3:
随堂练习
答案解析：
他没有腿。
He
has
no
legs.
2.
它有手吗？
Does
it
have
hands?
3.
她很高吗？
Is
she
tall?
4.
这台电脑没有键盘和鼠标。
The
computer
doesn’t
have
a
keyboard
or
mouse.
5.
她没有嘴，但是她能唱歌。
She
doesn’t
have
a
mouse.
But
she
can
sing.
Lesson3:
Summary：总结
掌握谓语动词为原形或第三人称单数的句型转换：
1.
A
computer
has
a
keyboard.
A
computer
doesn’t
have
a
keyboard.
Does
a
computer
have
a
keyboard?
Yes,
it
does./
No,
it
doesn’t.
2.
Computers
have
a
mouse.
Computers
don’t
have
a
mouse.
Do
computers
have
a
mouse?
Yes,
they
do.
No,
they
don’t.
..
have强调物品的归属，there
be句型表达客观拥有。
Thank
you
谢谢
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