Unit2 Topic2 I must ask him to give up smoking Section D 课件(共18张PPT)

(共18张PPT)
Unit
2
Keeping
Healthy
Topic
2
I
must
ask
him
to
give
up
smoking.
Section
D
1.表示能力
He
can
draw,
but
he
can't
read
a
story.
他会画画，但不会读故事。
2.
表示可能
The
girl
can't
be
Amy
because
she
went
to
study
in?another
school.
那个女孩不可能是埃米，因为她转学了。
3.表示请求，允许
Can
I
walk
to
school
with
you?我可以和你一起走去学校吗？
Grammar
can
1.表示可能
—
I
didn't
see
Jack
in
the
classroom.
我没在教室看见杰克。
—
He
may
play
basketball
on
the
playground.
他可能在操场打篮球。
2.表示征求同意?(此时可以与
can
互换使用，但?may
语气更委婉)
—
May
I
watch
TV
now?我现在可以看电视吗？
—
Yes,
you
may
/
can.是的，你可以。
may
Grammar
1.表示必须，义务
You
must
study
hard.
你必须努力学习。
2.肯定形式表示推测
—
Who
is
knocking
on
the
door?谁在敲门？
—
It
must
be
Jane.一定是简。
3.否定形式表示不许，禁止
You
mustn't
tell
a
lie.不许你撒谎。
Grammar
must
【提示】
1.?表示否定的推测用
can't，而不用
mustn't。
e.g.
That
can't
be
my
book
because
Bob's
name
is?on
it.
那不可能是我的书，因为鲍勃的名字在上面。
2.?用must提问的句子，其否定回答用needn't
或?don't
have
to，而不能用
mustn't。
e.g.
—
Must
I
turn
off
the
light
now?我现在必须关灯吗？
—
No,
you
needn’t
/don't
have
to.不，不必。
Grammar
Modal
Verbs
(Ⅱ):
must/mustn’t;
may;
can
You
_________
throw
litter
around.
He
thinks
smoking
______
help
him
relax.
It
_____
even
cause
cancer.
I
_____
ask
him
to
give
up
smoking.
_______
I
borrow
your
newspaper
and
show
it
to
my
father?
can
May
mustn’t
must
can
Grammar
_______
up
late
is
bad
for
your
health.
How
terrible!
It’s
______
for
your
health.
Don’t
read
____
the
sun.
It
will
keep
you
______
during
the
day.
in
Staying
good
Functions
active
1
Listen
and
number
the
following
pictures.
1
2
6
5
3
4
Make
sentences
with
the
structures
in
the
box.
should
/
shouldn’t…
We
must
/
mustn’t…
We
should
take
showers
often.
We
should
wash
the
hands
before
meals.
We
should
often
open
the
window
to
keep
the
air
fresh.
We
mustn’t
drink
sour
milk.
Make
sentences
with
the
structures
in
the
box.
We
should
tidy
our
rooms
and
often
sweep
the
floor.
We
mustn’t
spit
in
public.
Make
sentences
with
the
structures
in
the
box.
Complete
the
passage
with
the
correct
words.
Some
people
think
that
smoking
________
(
must/can)
help
them
relax.
In
fact,
smoking
is
really
__________
(healthy/unhealthy).
Do
you
know
that
there
______
(is/are)
over
4000
chemicals
in
cigarettes?
These
chemicals
are
_______
(good/bad)
for
our
bodies.
They
_____
(must/can)
cause
cancer
and
other
diseases.
The
smoke
from
cigarettes
harms
____________
(only/
not
only)
smokers
but
also
other
people.
It’s
called
“second-hand
smoke”
and
it
______
(can/can’t)
be
more
dangerous
and
has
higher
risks.
Smokers
shouldn’t
use
smoking
to
help
them
relax.
They
______
(must/mustn’t)
give
up
smoking
as
soon
as
possible.
can
unhealthy
are
bad
can
not
only
can
must
1.
We
should
often
open
the
window
to
keep
the
air
fresh.
我们应该经常开窗保持空气清新。
keep
+
宾语+
adj.“让某人/
某物处于某种状态”。
如：Keep
the
windows
open,
please.
?
keep
后接形容词。意为“保持（某种状态）”，keep作系动词，也可以用be替换。
如：Keep
quite!=Be
quite!
请保持安静！
Language
points
2.
Smokers
shouldn’t
use
smoking
to
help
them
relax.
吸烟者不应该用吸烟来放松自己。
use
sth
to
do
sth.
意为“用....去做....”
如：
我们经常使用词典去查阅新单词。
We
often
use
the
dictionary
to
look
up
the
new
words.
Language
points
3.In
fact,
smoking
is
really
unhealthy事实上，抽烟真的是不健康的。
In
fact
事实上
In
fact,
I
like
playing
computer
games.
事实上，我喜欢玩电脑游戏。
In
fact,
I
want
to
eat
an
ice
cream.
事实上，我想吃一个冰激凌。
Language
points
4.They
must
give
up
smoking
as
soon
as
possible.
他们必须尽可能快的戒烟。
?give
up
sth/
doing
sth
放弃做某事
?as
soon
as
possible
尽可能快的
as
much
as
possible
尽可能多的
as
small
as
possible
尽可能小的
?as+形容词+as
possible
可以与as...as
one
can
互换使用。
如：Please
write
down
your
answer
as
fast
as
possible.
=Please
write
down
your
answer
as
fast
as
you
can.
请尽可能快的写下你的答案。
Language
points
根据汉语提示完成句子。
1.
她不仅很会弹钢琴，而且还会作曲。
She
can
__________
__________
play
the
piano
well,
__________
__________
write
music.
2.
你最好尽快把那本书给我。
You’d
better
give
the
book
to
me
__________
__________
__________
__________.
3.
他不得不放弃在中国教英语，因为他要回美国了。
He
has
to
__________
__________
__________
English.
in
China,
because
he’s
returning
to
America.
4.
我原以为大卫是在学校，但事实上他在网吧。
I
thought
David
was
at
school,
but
__________
__________
he
was
in
the
net
bar.
5.
许多人不应该用喝酒来帮助他们放松。
Many
people
shouldn’t
__________
drinking
__________
__________
them
relax.
not
only
but
also
as
soon
as
possible
give
up
teaching
in
fact
use
to
help
Exercises
1.
What
should
we
do
to
keep
healthy?
Please
write
a
passage
about
it.
The
following
questions
may
help
you.
①How
long
do
you
usually
sleep
every
night?
②How
often
do
you
exercise?
③How
often
do
you
eat
fruit
and
vegetables?
2.Preview
Unit
2
Topic
3-Section
A.
Homework