(共24张PPT)
Unit
4
Don’t
eat
in
class.
Section
A
(1a-2c)
Let’s
look
and
say.
Do
you
know
school
rules?
Let’s
look
and
say.
A:
Can
you
arrive
late
for
class?
B:
No,
we
can’t.
We
must
be
on
time.
arrive
late
for
class
=
be
late
for
class
Let’s
look
and
say.
Don’t
arrive
late
for
class.
You
must
be
on
time.
Rule
1
Let’s
look
and
say.
A:
Can
you
run
in
the
hallways?
B:
No,
we
can’t.
run
in
the
hallways
在走廊里跑
Let’s
look
and
say.
Don’t
run
in
the
hallways.
Rule
2
Let’s
look
and
say.
A:
Can
you
eat
in
the
classroom？
B:
No,
we
can’t.
We
must
eat
in
the
dining
hall.
in
the
dining
hall
在餐厅
Let’s
look
and
say.
Don’t
eat
in
the
classroom.
You
must
eat
in
the
dining
hall.
Rule
3
Let’s
look
and
say.
A:
Can
you
listen
to
music
in
class?
B:
No,
we
can’t.
listen
to
music
听音乐
Let’s
look
and
say.
Don’t
listen
to
music
in
class.
Rule
4
Let’s
look
and
say.
A:
Can
you
fight?
B:
No,
we
can’t.
fight
/fa?t/
Let’s
look
and
say.
Don’t
fight.
Rule
5
Let’s
look
and
say.
School
Rules
Don’t
arrive
late
for
class.
You
must
be
on
time.
Don’t
run
in
the
hallways.
Don’t
eat
in
the
classroom.
You
must
eat
in
the
dining
hall.
Don’t
listen
to
music
in
class.
Don’t
fight.
1
2
3
4
5
祈使句
表示请求、命令、劝告或建议等的句子。通常省略主语you,以动词原形开头，句尾一般用降调。可分为肯定祈使句和否定祈使句。
e.g.
Be
/
Keep
quiet!
Let’s
go
home.
Sit
down,
please.
否定祈使句主要在动词原形前加Don’t
。
e.g.
Don’t
talk
in
class!
Don’t
open
the
window.
Don’t
smoke!/No
smoking!
Never
give
up!
Grammar
1
3
4
5
1.
Don’t
arrive
late
for
class.
You
must
be
on
time.
2.
Don’t
run
in
the
hallways.
3.
Don’t
eat
in
the
classroom.
You
must
eat
in
the
dining
hall.
4.Don’t
listen
to
music
in
class.
5.Don’t
fight.
Which
rules
are
these
students
breaking?
Write
the
number
of
the
rule
next
to
the
student.
1a
2
Listen.
What
rules
are
these
students
breaking?
Write
the
numbers
after
the
names.
Name
Peter
Amy
Mike
Rule
2
3
4
1b
Listen
again
and
fill
in
the
blanks.
Ms.
Clark:
Hey,
Peter.
You
know
the_______.
_______________________.
Peter:
Sorry,
Ms.
Clark.
Mr.
Smith:
Amy,_______________________,
___________________________.
Amy:
Oh,
sorry,
Mr.
Smith.
Mr.
Smith:
Hey,
Mike.
________________________,
Mike!
Boy
1:
He_________
hear
you,
Mr.
Smith.
Let’s
listen.
1b
rules
Don’t
run
in
the
hallways
Don’t
eat
in
the
classroom
You
must
eat
in
the
dining
hall
Don’t
listen
to
music
in
class
can’t
Pair
work.
A:
What
are
our
class
rules?
B:
We
can’t
…
Don’t...
Let’s
talk.
Let’s
predict.
What
activities
Alan
and
Cindy
talk
about.
Can
Alan
and
Cindy
do
these
activities?
2a
Activity
1.
__
listen
to
music
in
the
classrooms
or
hallways
can
can’t
2.
___
listen
to
music
in
the
music
room
can
can’t
3.
___
listen
to
music
outside
can
can’t
4.
___
eat
in
the
classrooms
can
can’t
5.
___
eat
in
the
dining
hall
can
can’t
6.
___
eat
outside
can
can’t
7.
___
wear
a
hat
can
can’t
8.
___
fight
can
can’t
√
√
√
√
Listen
again.
Can
Alan
and
Cindy
do
these
activities?
Circle
can
or
can’t
above.
2b
√
√
√
Let’s
retell
the
conversation
according
2b.
We
can’t
_____________________________________.
But
we
can
_____________________________________.
And
we
can’t__________________________,
but
we
can
_______________.Besides,
we
also
can’t
_____________.
Finally,
we
can’t
___________________.That
makes
the
teachers
really
unhappy.
listen
to
music
in
the
classroom
or
hallways
listen
to
it
in
the
outside
or
in
the
music
room
eat
in
the
classroom
eat
in
the
dining
hall
wear
a
hat
in
class
fight
with
our
classmates
2c
Student
A
is
Alan
and
Student
B
is
Cindy.
Talk
about
the
rules
in
2a.
Can
you
discuss
some
other
rules
with
your
Partner?
Can
we
listen
to
music,
Cindy?
We
can’t
listen
to
music
in
the
hallways,
but
we
can
listen
to
it
outside.
1.不要和其他你的朋友打架。
________
fight_______________.
2.上课不要迟到。
Don’t
________
________
for
class.
Exercises
Don’t
with
your
friends
be/arrive
late
3.我们可以在教室里吃东西吗?
我们不可以在教室里吃，但可以在餐厅吃东西。
________
we
________in
the
classrooms?
No，we
________
.
But
we
_______eat
in
the
_______
_____.
4.我们必须按时到学校。
We
______
get
to
school
____
_____.
Can
eat
can’t
can
dining
hall
must
on
time
