(共53张PPT)
人教版(新起点)4上语法总结
1、掌握4上重点的语法
2、掌握be动词的使用,一般疑问句变化,like和be
good
at的用法。
知识梳理
一、be动词的使用
什么是be动词?
be动词的意思和用法有很多,一般意思是:是。一般有am,is,are三种形式。另外,be动词还有“成为”的意思。
1.be动词与人称搭配:
①第一人称单数:I
表示“我”,+
am
表示“是”....
I
am
...
我是...
eg:
I
am
a
boy.
我是一个男孩。
I
am
good
at
playing
basketball.
我擅长打篮球。
②第二人称单数:you
表示“你”,+
are表示“是”....
you
are
...
你是...
eg:
You
are
a
birl.
我是一个女孩。
You
are
very
happy.
你很开心。
③第三人称单数:he/she/it
表示“他/她/它”,+
is
表示“是”....
he
she
is
...
他是/她是/它是
...
it
eg:
He
is
a
student.
他是一名学生。
She
is
a
teacher.
她是一名老师。
It
is
a
dog.
它是一只狗。
④复数人称:we/you/they
表示“我们/你们/他们”,
+
are
表示“是”....
we
you
are...
我们是/你们是/他们是
...
they
eg:
We
are
students.
我们是学生。
You
are
teachers.
你们是老师。
They
are
my
friends.
他们是我的朋友们。
⑤巧记be动词搭配:
I
用
am,you用are,
is连着他她它(he,she,it),
单数用is,复数用are。
⑥常见缩写:
I
am=I'm
He
is=He's
She
is=She's
They
are=They're
语法练习
1.
You
_____
my
sister.?
A.
am
B.
is
C.
are
2.It
____
a
blue
car.
A.
am
B.
is
C.
are
3.She
_____
a
girl.
A.
am
B.
is
C.
are
4.
They
____
very
happy.
A.
am
B.
is
C.
are
5.
We
_____
students.
A.
am
B.
is
C.
are
语法练习
答案:
1-5
CBBCC
二、一般疑问句
一般疑问句有两大家族
含有be动词&情态动词
含有行为动词
含有be动词
Be动词+主语+其他?
eg:
Is
she
a
nurse?
Are
you
good
at
playing
football?
常见的be动词:
am,is,are
含有情态动词
情态动词+主语+动词原形+其他?
eg:
May
I
help
you?
Can
I
use
your
scissors
please?
常见的be动词:
can,may,must
含有行为动词
助动词+主语+动词原形+其他?
eg:
Do
you
often
play
basketball?
Does
he
often
go
to
the
cinema
on
the
weekend?
助动词:do,does
含有行为动词
一般疑问句有肯定回答与否定回答两种
①肯定回答:
一般以Yes起句
eg:--Is
she
a
nurse?--Yes,she
is.
--Can
I
use
your
scissors
please?--Yes,you
can.
--Do
you
often
play
basketball?--Yes,I
do.
一般疑问句回答
含有行为动词
②否定回答:
一般以No起句
eg:--Is
she
a
nurse?--No,she
isn’t.
--Can
I
use
your
scissors
please?--No,you
can’t.
--Do
you
often
play
basketball?--No,I
don’t.
一般疑问句回答
含有行为动词
注意:回答中要将第一人称&第二人称互换
eg:--Do
you
often
play
basketball?
--Yes,I
do.
--No,I
don’t.
一般疑问句回答
语法练习
1.
_____??you?like?pears??
A.Do?????????????B.?Is
C.
Does
2.
--_______
she
_______
?
--Yes,
she
can.
A.
Can;dance
B.
Is;dancing
D.
can;dances
3.____
you
a
girl?
A.
Am
B.
Is
C.
Are
4.
____
your
mother
a
teacher?
A.
Am
B.
Is
C.
Are
5.
--_________?
--Yes,
I
do.
A.
Do
you
like
salad
B.
Do
it
like
this
C.
Does
he
like
it
语法练习
6.
Is
he
a
teacher?
(作肯定回答)
______________________
7.
Do
you
often
play
football?
(作否定回答)
______________________
8.
Can
you
swim?
(作肯定回答)
______________________
9.Are
you
a
boy?(作否定回答)
______________________
语法练习
答案:
1-5
AACBA
6.Yes,he
is.
7.No,I
don't.
8.No,I
can't.
9.No,I
am
not.
三、be
good
at
①be
good
at
表示擅长,后面可接名词或动名词(动词ing)。
eg:I
am
good
at
playing
football.
我擅长踢足球。
They
are
good
at
singsing.
他们擅长唱歌。
②变否定时,在be动词后加not,表示不擅长。
eg:I
am
not
good
at
playing
football.
我不擅长踢足球。
They
are
not
good
at
singsing.
他们不擅长唱歌。
③变一般疑问句时,将be动词移到主语前,表示询问对方是否擅长某事或做某事。
eg:Are
you
good
at
playing
football?
你擅长踢足球吗?
Are
they
good
at
singsing?
他们擅长唱歌吗?
语法练习
1.
We
______?good
at
music.
A.
am
B.
is
C.
are
2.
Tom
is
good
at______the
piano.
A.play
B.plays
C.playing
3.They
______good
at
English.
A.not
are
B.are
not
C.is
4.
I
am
good
at
______.
A.study
B.Chinese
C.swim
5.He
is
good
at
playing
tennis.(变为否定句)
________________________________
语法练习
答案:
1-4
CCBB
5.He
is
not
good
at
playing
tennis.
四、like的使用
①like
表示喜欢,后面可接名词或动名词(动词ing)。
eg:I
like
English.
我喜欢英语。
He
likes
swimming.
他喜欢游泳。
②当主语是第三人称单数时,like需要变为第三人称单数形式:likes。
eg:Tom
likes
running.
Tom喜欢跑步。
He
likes
swimming.
他喜欢游泳。
③询问对方是否喜欢某事或喜欢做某事的句型:
Do
you
like.....?
eg:Do
you
like
reading
books?
你喜欢读书吗?
Yes,I
do.
No,I
don't.
是的,我喜欢。
不,我不喜欢。
语法练习
1.
I
like
_____.
A.
swim
B.
swims
C.
swimming
2.
Tom
_____
playing
sports.
A.like
B.likes
C.liking
3.--Do
you
like
English?
--
______.
A.Yes,I
do
B.No,I
am
not
C.No,I
do
4.
I
like
_____.
A.apples
B.tomato
C.potato
5.你喜欢跑步吗?
Do
you
_____
running?
语法练习
答案:
1-4
CBAA
5.like.
五、特殊疑问句
①询问对方喜欢什么运动:
What
sports
do
you
like?
你喜欢什么运动?
I
like
volleyball.
我喜欢排球。
②询问对方周末经常做什么:
What
do
you
often
do
on
the
weekend?
你在周末经常做什么?
I
often
visit
my
grandparents.
我经常去拜访我的祖父母。
③询问对方乘坐什么交通工具上学:
How
do
you
usually
go
to
school?
你通常怎么去上学?
I
usually
go
to
school
by
subway.
我通常乘坐地铁去上学。
注意:
by+交通工具
表示乘坐.....
④询问物品价格:
How
much
is
......?
It
is
......
yuan.
How
much
are
......?
They
are
......
yuan.
⑤询问工作:
What
do
you
do?
=
What’s
your
job?
I
am
a/an….
What
does
she
do?
=
What’s
her
job?
She
is
a/an…..
What
does
he
do?
=
What’s
his
job?
He
is
a/an….
⑥询问对方未来想做什么工作:
What
do
you
want
to
be
in
the
future?
I
want
to
be
a/an….
eg:What
do
you
want
to
be
in
the
future?
I
want
to
be
a
scientist.
(科学家)
语法练习
1.
--What
sports
do
you
like?
--I
like
_____.
A.
play
football
B.
run
C.
swimming
2.
What
do
you
often
do
_____
the
weekend?
A.in
B.on
C.by
3.I
usually
go
to
school
_____
subway.
A.in
B.on
C.by
4.
How
much
_____
the
shoes?
A.am
B.is
C.are
5.--What
do
you
do?
--I
am
______.
A.a
teacher
B.English
C.student
语法练习
答案:
1-5
CBCCA
六、祈使句
祈使句:表示命令、要求、叮咛、嘱咐等的句子。常常省略主语,动词用原形。
①动词原形+其它!
eg:
Stand
up!
起立!
Sit
down!
坐下!
Be
careful!
小心!
②Don't
+动词原形+其它!
eg:
Don't
stand
up!
不要站起来!
Don't
sit
down!
不要坐下!
Don't
be
sad!
不要难过!
③
No+动词ing!
eg:
No
running!
不要跑!
No
smoking!
不要吸烟!
No
talking!
不要说话!
语法练习
1.
______?smoking!?
A.?Don't??
B.?No?
C.?Don't?to?
2.
Don't?______?in?the?river.??????????
A.?swim???
B.?swimming???
C.?swims??
3.
______?careful!???????????
A.Be???
B.?Being??
C.?To?be???
?
4.
______?up?early?tomorrow!?
A.?Getting?
B.?Get?
C.?To?get?
5.
______?in?bed,?It's?bad?for?your?eyes.?
?Not?to?read?
B.?Don't?read?
C.?Don't?to?read??
?
语法练习
答案:
1-5
BAABB
语法练习
语法练习
1.
I’m
good
________
it.
A.in
B.on
C.at
2.
I
________
like
ping-pong.
A.also
B.and
C.but
3.
--Can
I
use
your
ruler?
--Sure.
________.
A.I
don’t
have
one
B.Here
you
are
C.I’m
using
it
4.
Please
wait
________
the
green
light.
A.of
B.for
C.at
5.
--What
do
you
want
to
be
in
the
future?
--I
want
to
be
a
________.
A.driver
B.actor
C.actress
语法练习
6.
He
usually
goes
to
work
________
bike.
A.on
B.with
C.by
7.
I
________
basketball.
A.like
B.likes
C.like
to
8.
I
want
________
new
friends
there.
A.make
B.making
C.to
make
9.
Aha!
I
have
________
good
idea.
A.a
B.an
C./
10.
It’s
very
cold.
The
kids
________
play
outside.
A.can
B.can’t
C.doesn’t
语法练习
答案:
1-5
CABBA
情景交际
1.
当你看到一个小孩爬窗台时,你会说:
A.
Don’t
run
down
the
stairs.
It’s
dangerous.
B.
Don’t
climb
the
tree.
It’s
dangerous.
C.
Don’t
climb
on
the
window.
It’s
dangerous.
2.
当你想知道朋友怎么样去公园时,你会间:
A.
How
do
you
go
to
the
park?
B.
What
do
you
want
to
be
in
the
future?
C.
Do
you
often
go
to
the
park?
3.
当同学向你借胶棒而你又没有时,你会说:
A.
Sorry.
I’m
using
it.
B.
Sorry.
I
don’t
have
one.
C.
Sure.
Here
you
are.
情景交际
4.
当你对朋友说起你喜欢运动时,你会说:
A.
Do
you
often
play
ping-pong?
B.
I
often
play
ping-pong.
I’m
good
at
it.
C.
He
likes
ping-pong.
He
is
good
at
it.
5.
想告诉朋友你周末都做什么时,你会说:
A.
What
do
you
do
on
the
weekend?
B.
Do
you
often
go
to
the
cinema?
C.
I
often
visit
my
grandparents
on
the
weekend.
情景交际
答案:
1-5
CABBC