外研版英语八年级上册 Module 11 Way of life Unit3 Language in use 课件 （共38张ppt）

(共38张PPT)
Unit
3
Language
in
use
To
summarise
and
consolidate
the
use
of
must,
mustn’t,
need,
needn’t,
can
and
can’t
when
talking
about
customs
and
social
behaviours
Thank
you
for
telling
me
that,
Judy.
And
you
must
treat
(对待)
friends
sincerely
(真诚地)
if
you
want
to
be
trusted
(信任).
Nick,
you
can’t
cheat
(欺骗)
friends.
Read
the
conversation
and
pay
attention
to
the
parts
in
red.
Observe
Observe
the
following
sentences
carefully
and
pay
attention
to
the
words
in
red.
1.
You
must
say
Mr
or
Mrs
when
you
meet
someone
for
the
first
time.
2.
You
can
take
it
away.
3.
You
mustn’t
break
anything.
4.
You
needn’t
wait!
5.
You
can
open
it!
6.
You
mustn’t
do
any
cleaning
on
the
first
day
of
the
Spring
Festival.
7.
When
you
get
to
know
each
other
better
or
when
they
ask
you
to,
you
can
just
use
their
first
names.
8.
You
can
buy
it
and
eat
it
in
special
fish
and
chip
shops
on
the
high
street.
9.
At
the
bus
stop,
you
must
not
push
your
way
onto
the
bus.
1.
You
_______
say
Mr
or
Mrs
when
you
meet
someone
for
the
first
time.
2.
You
_______
take
it
away.
3.
You
_______
(not)
break
anything.
4.
You
_______
(not)
wait!
5.
You
_______
open
it!
6.
You
________
(not)
do
any
cleaning
on
the
first
day
of
the
Spring
Festival.
must
can
mustn’t
needn’t
can
mustn’t
go
Ready?
7.
When
you
get
to
know
each
other
better
or
when
they
ask
you
to,
you
_______
just
use
their
first
names.
8.
You
______
buy
it
and
eat
it
in
special
fish
and
chip
shops
on
the
high
street.
9.
At
the
bus
stop,
you
________
(not)
push
your
way
onto
the
bus.
can
can
mustn’t
情态动词must,
can,need等
must
表示“必须，一定要”，可用于肯定句、否定句和疑问句。表示说话者的主观看法，认为有必要或有义务做某事。
否定形式
must
not
(mustn’t)
表示“不能”或“禁止”的意思。例如：
1.
must
You
must
use
red
paper
for?hongbao?
because
red
means
luck.?
你必须用红纸做红包，因为红色代表幸运。
In
my
home
town,
people
say
you
mustn’t
do
any
cleaning
on
the
first
day
of
the
Spring
Festival.?
在我的家乡，据说大年初一不能打扫卫生。
--Must
I
come
before
6:30
tomorrow??
明天我必须在六点半之前来吗？
--Yes,
you
must.?
是的，你必须在那之前到。
(表示一定要)
--No,
you
needn’t.?
不，你不必在那之前来。
(表示没必要，相当于?You
don’t
have
to.)
must的一般疑问句的构成及其回答:
can
表示“许可，可以”，表示请求，和could同义，可用于肯定句、否定句和疑问句。
否定形式
cannot
(can’t)表示“不能，不可以”，语气弱于
must
not
(mustn’t)。例如：
You
can’t
put
the
milk
in
first.?
你不能先倒牛奶。
(没有禁止的含义)
2.
can
When
you
get
to
know
each
other
better
or
when
they
ask
you
to,
you
can
just
use
their
first
names.?
当你们更加熟悉或他们请你(这样做)时，你就可以只称呼他们的名字。
Can
I
have
a
look
at
your
photo??
我可以看一下你的照片吗？
★请注意：本模块所学的
can
与以前我们所学的
can
意义不同，以前我们所学的
can
表示“能力”，这里表示“允许”。
--Can
we
go
home
now,
please??
请问我们现在能回家吗？
--Yes,
you
can.?
可以。
(表示允许)
--No,
you
can’t.?
不行。
(表示不允许)
can的一般疑问句的构成及其回答:
need
作情态动词表示“需要”，可用于肯定句、否定句和疑问句。
否定形式
need
not
(needn’t)比较常用，表示“不需要”或“不必要”。例如：
3.
need
If
she
wants
anything,
she
need
only
ask.?
如果她要什么，说一下就行了。
You
needn’t
wait.?
你不必等待。
★请注意，need
也可以作行为动词，表示“需要”，常用于
need
to
do
sth.
结构。例如：
I
need
to
clean
the
house.?
我需要把房子打扫一下。
You
don’t
need
to
leave
now.
你没必要现在走。
need的一般疑问句的构成及其回答:
--Need
I
report
it
to
the
police??
我要向警方报告这件事吗？
--Yes,
you
must.?
是的，你必须报告。
(表示必须做)
--No,
you
needn’t.?
不，没必要。
(表示没必要)
All
passengers
must
wear
seat
belts.?
所有乘客都要系安全带。
My
bike
was
broken
yesterday,
so
I
had
to
walk
to
school.?
昨天我的自行车坏了，所以我只能走路去学校。
4.
must
与
have
to?的区别
must
have
to
同
表示“必须”
异
侧重说话者的主观看法，认为有必要，有义务去做某事
侧重于客观需要，有
“被迫；不得不”之意
You
mustn’t
tell
him
about
it.?
你绝对不要告诉他这件事。
（可能是秘密）
You
don’t
have
to
tell
him
about
it.?
你不必告诉他这件事。
（他可能知道了或者没有必要让他知道）
否定形式
含义
must
must
not/
mustn’t
一定不要，不允许
have
to
do
not/
don’t
have
to
(=needn’t)
不必
You’d
better
get
some
sleep.?
你最好睡一会儿。
5.
had
better
had
better
表示劝告或建议，意思是“最好……”。例如：
had
better
一般不用于疑问句中，但可用于否定句中，其否定形式为
had
better
not。例如：
You’d
better
not
waste
any
more
of
your
time.?
你最好别再浪费你的时间了。
1
A:
Can
you
drive
a
car
at
the
age
of
seventeen
in
England?
B:
Yes,
we
____.
How
about
in
China?
A:
No,
we
______.
2
A:
Can
you
open
a
gift
immediately
after
you
receive
it
in
England?
B:
___________.
What
about
in
China?
A:
No,
we
usually
don’t.
can
can’t
Yes,
we
can
1
P92
Complete
the
conversations
with
can
or
can’t.
3
A:
Can
you
push
your
way
onto
a
bus
in
England?
B:
___________.
How
about
in
China?
A:
No,
we
_____
either.
4
A:
Can
you
drive
on
the
right-hand
side
of
the
road
in
England?
B:
___________.
What
about
in
China?
A:
Yes,
we
must.
No,
we
can’t
can’t
No,
we
can’t
Complete
the
sentences
with
must
or
must
not.
2
P92
School
rules
1
You
________
be
late
for
school.
2
You
________
eat
in
the
library.
3
You
________
ride
your
bike
in
the
playground.
4
You
_____
do
your
homework.
5
You
_____
listen
to
the
teacher.
must
not
must
not
must
not
must
must
3
P93
Underline
the
correct
words.
It
is
important
to
know
what
you
must
and
must
not
do
when
you
meet
people
from
a
different
country.
You
(1)
may
/
must
not
ask
Westerners
“How
old
are
you?”
because
it
is
not
polite.
You
(2)
might
/
can
know
someone
well,
but
you
(3)
must
/
need
not
ask
“How
much
money
do
you
make?”
He
(4)
may
/
can
never
speak
to
you
again!
In
public
places,
you
(5)
must
/
can
ask
people
before
you
take
photos
of
them,
and
you
(6)
must
not
/
might
not
eat
or
drink
in
shops
or
museums.
In
some
countries
you
(7)
cannot
/
can
go
into
someone’s
house
with
your
shoes
on.
You
(8)
need
not
/
must
not
take
them
off.
But
in
some
other
countries
you
(9)
might
/
must
not
wear
shoes
in
the
house.
√
√
√
√
√
√
Listen
to
a
teenager
talking
about
his
life.
Check(√)
the
things
he
must
or
mustn’t
do.
4
P93
must
mustn’t
1
clean
up
bedroom
once
a
week
2
wash
up
after
dinner
3
stay
out
after
9
pm
4
do
homework
before
going
out
5
wash
hands
before
dinner
6
play
music
loudly
after
10
pm
5
P94
Listen
again.
What
two
things
does
he
say
he
can
do?
1.
_________________________________
_______________________________
2.
_________________________________
_______________________________
He
can
go
out
with
his
friends
at
weekends.
He
can
play
music
loudly
before
ten
o’clock
at
night.
6
P94
Write
some
things
you
can,
must
and
must
not
do
at
home.
I
can
…
I
must
…
I
must
not
…
I
can
watch
TV
when
I
come
home
from
school.
I
must
help
around
the
house,
for
example,
do
the
washing
up.
I
must
not
go
to
bed
late.
possible
answers:
Now
work
in
pairs.
Tell
each
other
three
things
you
must
do
at
home
and
three
things
you
mustn’t
do.
Are
your
home
rules
different
or
the
same?
--I
must
visit
my
grandparents
once
a
week.
I
mustn’t
stay
up
late
in
the
evening.
--
…
1.
Use
your
__________
to
look
up
any
words
you
do
not
understand.
2.
Most
Chinese
people
eat
noodles
with
____________.
3.
Jenny
could
not
wait
to
open
her
birthday
________.
4.
He
thinks
it
is
cool
to
wear
his
__________
back-to-front.
5.
Where
is
my
__________?
Let’s
play
a
game.
baseball
cap
chess
set
chopsticks
dictionary
presents
dictionary
chopsticks
presents
baseball
cap
chess
set
Complete
the
sentences
with
the
words
or
expressions
in
the
box.
7
P94
Play
a
game.
Choose
a
word
or
an
expression
from
the
box
and
describe
it
to
the
class.
The
class
guess
what
it
is.
8
P94
baseball
cap
bike
chess
set
chocolate
chopsticks
dictionary
fish
and
chips
litter
photo
video
game
A:
Many
people
have
one.
B:
Is
it
a
chess
set?
A:
No.
You
use
it
to
get
to
places.
C:
Is
it
a
bike?
A:
Yes.
More
knowledge
Giving
advice
to
foreign
guests
who
are
visiting
a
Chinese
family
Module
task:
Step
1:
Write
some
advice
for
foreign
visitors
to
a
Chinese
family.
Think
about:
What
must
they
wear?
What
mustn’t
they
talk
about?
What
can’t
they
do?
What
presents
can
they
bring?
When
must
they
arrive?
…
Step
2:
Work
in
groups.
Show
the
advice
you
wrote
in
Activity
9
to
your
group
members.
Choose
two
best
pieces
of
advice.
Step
3:
Show
the
advice
your
group
chose
in
Activity
10
to
the
whole
class.
Put
the
pieces
of
advice
together
to
form
the
advice
of
the
whole
class.
Step
4:
Send
the
advice
of
the
whole
class
to
your
foreign
friends
or
post
it
on
your
class
blog.
Summary
I.
单句填空。
1.
--Must
I
get
up
before
5
o’clock?
--No,
you
_______.
You
can
get
up
at
6
o’clock.
2.
--
_____
I
ask
you
some
questions?
--Of
course,
you
can.
3.
Oh,
you
_______
use
your
mobile
phone
when
the
plane
takes
off.
needn’t
Can
mustn’t
II.
用can,
can’t,
must,
mustn’t或needn’t
填空完成句子。
1.
You
_______
listen
to
your
teacher
carefully
in
class.
2.
We
____________
cross
the
road
when
the
traffic
is
busy.
3.
You
_________
finish
all
of
the
work
today.
You
can
finish
it
tomorrow.
4.
I
________
draw
pictures,
but
I
really
want
to
learn.
5.
You
________
eat
food
here
or
you
_______
go
somewhere
else.
must
mustn’t/can’t
needn’t
can’t
can
can
Homework
1.
Review
the
grammar
we’ve
learnt
today.
2.
Finish
the
exercises
in
Learning
English.