(共28张PPT)
人教版七年级上册
----语法精讲---
Unit
3
Is
this
your
pencil?
目录
CONTENTS
课前引入
01
语法讲解
02
课本Grammar
Focus
03
课后检测
04
PART
1
课前引入
必备典句
1.
—Is
this
your
pencil?
这是你的铅笔吗?
—Yes,
it
is.
是的,它是。
2.
—Is
that
your
schoolbag?
那是你的书包吗?
—
No,
it
isn’t.
不,它不是。
3.
It’s
mine/his
/hers.
这是我的/他的/她的。
4.
They
are
hers.
它们是她的。
必备典句
5.
What
about
this
dictionary?
这本字典呢?
6.
Thank
you
for
your
help.
谢谢你的帮助。
7.
How
do
you
spell
it?
你怎么拼写它?
8.
I
must
find
it.
我必须找到它。
9.
Call
me
at
685-6034.
请打电话685-6034找我。
PART
2
含be动词的一般疑问句
含有be动词陈述句转
一般疑问句
将含有be动词的陈述句转换一般疑问句
将be动词(am,
is,
are)提到句首(首字母要大写),
如果原句中的主语是第一人称要变为第二人称,句末加问号。
e.g.
肯定句:
I
am
Zhang
Yang.
一般疑问句:
Are
you
Zhang
Yang?
肯定句:That
is
my
bike.
一般疑问句:Is
that
your
bike?
含有be动词的一般疑问句的肯定回答与否定回答
肯定回答:Yes,主语+be
e.g.
-
Is
this
your
pen?
-
Yes,
it
is.
否定回答:No,
主语+be
例:—Is
this
your
pen?
—No,
it
isn’t.
Summary:
含
be
的肯定句变否定句和一般疑问句的方法以及一般疑问句的
回答方法。
含be动词的句子变否定形式
be
+
not
(
is
not=
isn’t
;
are
not=
aren’t)
含be动词的句子变一般疑问句
be提到主语前面
(am-
Are;
I-you;
my-
your)
一般疑问句的简略回答
用yes或者no回答。借用一般疑问句的第一个词,且主语用人称代词主格。
1、肯定句:
This
is
my
pencil
.
(这是我的铅笔)
否定句:This
______my
pencil
.
(这不是我的铅笔)
一般疑问句:
______
this______
pencil
?
(这是你的铅笔吗)
肯定回答
____________.
否定回答
.
_____________
2、肯定句:That
is
my
eraser
.(那是我的橡皮擦)
否定句:That
______eraser
.
(那不是我的橡皮擦)
一般疑问句:
______
that
______eraser
?
(那是你的橡皮擦)
肯定回答:____________
否定回答
______________
随堂练习
1、肯定句:
This
is
my
pencil
.
(这是我的铅笔)
否定句:This
______my
pencil
.
(这不是我的铅笔)
一般疑问句:
______
this______
pencil
?
(这是你的铅笔吗)
肯定回答
____________.
否定回答
.
_____________
2、肯定句:That
is
my
eraser
.(那是我的橡皮擦)
否定句:That
______eraser
.
(那不是我的橡皮擦)
一般疑问句:
______
that
______eraser
?
(那是你的橡皮擦)
肯定回答:____________
否定回答
______________
随堂练习
isn’t
Is
your
Yes,
it
is.
No,
it
isn’t.
isn’t
Is
your
Yes,
it
is.
No,
it
isn’t.
3、肯定句:
These
are
my
pens
.
(这些是我的钢笔)
否定句:
These______
my
pens
.
(这些不是我的钢笔)
一般疑问句:
______
these
______pens
?
(这些是你的钢笔吗)
肯定回答
____________.
否定回答
____________
.
4、肯定句:
Those
are
his
baseballs
.
(那些是他的棒球)
否定句:
Those
______his
baseballs
.
(那些不是他的棒球)
一般疑问句:
______those
______
pens
?
(那些是他的棒球吗)
肯定回答
____________
否定回答
____________
5
随堂练习
3、肯定句:
These
are
my
pens
.
(这些是我的钢笔)
否定句:
These______
my
pens
.
(这些不是我的钢笔)
一般疑问句:
______
these
______pens
?
(这些是你的钢笔吗)
肯定回答
____________.
否定回答
____________
.
4、肯定句:
Those
are
his
baseballs
.
(那些是他的棒球)
否定句:
Those
______his
baseballs
.
(那些不是他的棒球)
一般疑问句:
______those
______
pens
?
(那些是他的棒球吗)
肯定回答
____________
否定回答
____________
随堂练习
aren’t
Are
your
Yes,
they
are.
No,
they
aren’t.
aren’t
Are
his
Yes,
they
are.
No,
they
aren’t.
PART
3
情态动词must
情态动词must
I
must
find
it.
我必须找到它。
must是情态动词,意为“必须,应当,一定”,
无时态和人称的变化,后接动词原形,
表示义务、命令、或必要。
e.g.
You
must
be
here
on
time.
你必须按时来这儿。
情态动词must
I
must
find
it.
我必须找到它。
must的否定形式是mustn’t=
must
not,
表禁止
含有must的一般疑问句是把must提至句首,
其肯定回答时yes,
sb
must;
否定回答:No,
sb
needn’t.
例:—Must
I
speak
English?
我必须讲英语吗?
—Yes,
you
must./
No,
you
needn’t.
是的,你必须。/不,你不必。
单复数
1
2
努力
方向
单复数
1.
We
_______
(study)
every
day.
2.
We
must
_______(study)
very
hard.
3.
She
________(study)
every
day.
4.
She
must
________(
study)
every
day.
词形转换。
单复数
1
2
努力
方向
单复数
1.
We
_______
(study)
every
day.
2.
We
must
_______(study)
very
hard.
3.
She
________(study)
every
day.
4.
She
must
________(
study)
every
day.
词形转换。
study
studies
study
study
PART
4
Grammar
Focus
02
0
Is
this
your
pencil?
Yes,
it
is
mine./
No,
it
isn’t.
It’s
hers.
Is
this
his
green
pen?
Yes,
it
is./
No,
it
isn’t.
The
blue
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.
It’s=
it
is;
isn’t
=
is
not
aren’t
=
are
not
this
isn’t
they
they
that
is
those
aren’t
PART
5
Exercises
02
0
在此输入标题字
在这里输入您的文本内容。
在此输入标题文字
在这里输入您的文本内。
此输入标题文字
在这里输入您的文本内容。
课后检测
(
)1.
—
Are
those
your
pen
friends?
—
Yes,
_______.
A.they
are
B.they’re
C.they
are
not
D.they
aren’t
(
)2.
The
son
of
my
aunt
is
my
_______.
A.uncle
B.brother
C.sister
D.cousin
(
)3.
_______
are
good
friends.
A.
You,
I
and
he
B.
He,
you
and
I
C.
I,
you
and
he
D.You,
he
and
I
(
)4.Look
at
the_______
.
They’re
very
cute.
A.
baby
B.
babys
C.
babies
D.babys’
(
)5._______
Math
books.
They’re_______
books.
A.
Their;
they
B.
They’re;
their
C.
Them;
their
D.
They;
them’
s
课后检测
(
)6.
Mrs.
Hill
is
a______
good
teacher.
She
loves
his
students
.
A.much;
very
B.very;
very
C.very
much;
much
D.very;
very
much
(
)7.
Please
call
Mary______
245—6218.
A.at
B.for
C.in
D.Of
(
)8.
—
_______
is
your
grandfather?
—
Fine.
A.What
B.How
C.Who
D.Where
(
)9.
Are
these_______
parents?
A.you
B.she
C.Mona’s
D.They
(
)10.
Kate
and
I
______
good
friends.
A.
are
B.is
C.am
D.be
02
0
在此输入标题字
在这里输入您的文本内容。
在此输入标题文字
在这里输入您的文本内。
此输入标题文字
在这里输入您的文本内容。
课后检测
(
)1.
—
Are
those
your
pen
friends?
—
Yes,
_______.
A.they
are
B.they’re
C.they
are
not
D.they
aren’t
(
)2.
The
son
of
my
aunt
is
my
_______.
A.uncle
B.brother
C.sister
D.cousin
(
)3.
_______
are
good
friends.
A.
You,
I
and
he
B.
He,
you
and
I
C.
I,
you
and
he
D.You,
he
and
I
(
)4.Look
at
the_______
.
They’re
very
cute.
A.
baby
B.
babys
C.
babies
D.babys’
(
)5._______
Math
books.
They’re_______
books.
A.
Their;
they
B.
They’re;
their
C.
Them;
their
D.
They;
them’
s
A
D
D
C
B
课后检测
(
)6.
Mrs.
Hill
is
a______
good
teacher.
She
loves
his
students
.
A.much;
very
B.very;
very
C.very
much;
much
D.very;
very
much
(
)7.
Please
call
Mary______
245—6218.
A.at
B.for
C.in
D.Of
(
)8.
—
_______
is
your
grandfather?
—
Fine.
A.What
B.How
C.Who
D.Where
(
)9.
Are
these_______
parents?
A.you
B.she
C.Mona’s
D.They
(
)10.
Kate
and
I
______
good
friends.
A.
are
B.is
C.am
D.be
D
A
B
C
A
Thank
you
for
your
watching