牛津深圳版七下：Unit 6 Electricity grammar 课件 (21张PPT)

Unit
6
Oxford
English
Module
3
Natural
elements
Period
5
Grammar
本课呈现语法点：
We
can
use
electricity
to
do
many
things.
We
cannot/can’t
see
electricity.
Can
you
think
of
an
example?
Yes,
I
can./
No,
I
cannot/can’t.
May/Can
I
use
your
mobile
phone?
Yes,
you
may/can.
No,
you
may
not/can’t.
Presentation
You
may/can
turn
on
the
TV.
You
may
not/cannot
play
in
the
kitchen.
You
must
not/mustn’t
do
that,
Benny.
We
must
always
be
careful
with
electricity.
They
must
not/mustn’t
play
near
the
heater.

Presentation
Grammar:
Modal
verbs
I
can
spell
all
the
words
we
have
learnt.
Can
you
do
that?
Yes,
I
can.
No,
I
cannot/can’t.
A
can
and
cannot
Modal
verbs
A
Can
and
cannot
We
use
can
and
cannot
(can’t)
to
say
we
are
able
or
not
able
to
do
things.
We
can
use
electricity
to
do
many
things.
We
cannot/can’t
see
electricity.
Can
you
think
of
an
example?
Yes,
I
can./No,
I
cannot/can’t.
Presentation
Grammar
exercise
1.
Hi
_____
play
football.
2.
Lo
______
paint
pictures.
3.
Hi
________
speak
as
more
languages
as
Lo.
4.
Both
Hi
and
Lo
_____
dance.
5.
Lo
_______
drive
a
car,
but
he
____
play
chess.
6.
Hi
____
swim,
but
he
_______
play
the
guitar.
can
cannot
cannot
can
cannot
can
can
cannot
Presentation
B
May
and
may
not
We
use
may
and
may
not
to
ask
for
and
give
permission.
In
less
formal
situations,
some
people
like
to
use
can
and
cannot
for
the
same
purpose.
May/Can
I
use
your
mobile
phone?
Yes,
you
may/can.
No,
you
may
not/can’t.
You
may/can
turn
on
the
TV.
You
may
not/cannot
play
in
the
kitchen.

Presentation
2.
may,
may
not
表示请求和允许。否定回答时可用can’t
或mustn’t，表示“不可以，禁止”。如：
—Might
/
May
I
smoke
in
this
room?
—No,
you
mustn’t.
—May
/
Might
I
take
this
book
out
of
the
room?
—Yes,
you
may/can.
(No,
you
can’t
/mustn’t.
)
用May
I
...？征徇对方许可时比较正式的
客气，而用Can
I
...？在口语中更常见。
Presentation
Grammar
exercise
Daisy
is
not
feeling
well
today.
Benny
is
at
home
with
her.
Read
their
conversation
below.
Fill
in
the
blanks
with
may
or
can.
Benny:
How
are
you
feeling,
Daisy?
Daisy:
Not
very
well.
Benny:
______
I
get
you
a
chair?
Daisy:
Yes,
thanks.
Benny:
I’m
going
out.______
I
borrow
your
bicycle,
Daisy?
May
May
exercises
Daisy:
Yes,
you
may.
Before
you
go
to
meet
your
friends,
can
you
come
and
see
the
doctor
with
me?
Benny:
Yes,
I
_______.
_______
I
carry
your
bag
for
you?
Daisy:
Yes,
that’s
very
kind
of
you,
Benny.
I’m
ready
to
go.
_____
you
open
the
door
for
me?
Benny:
Yes,
I
can.
Daisy:
Thanks.
can
Can
May
exercises
We
use
must
and
must
not
(mustn’t)
to
tell
people
what
to
do
or
what
not
to
do.
C
Must
and
must
not
You
must
not/mustn’t
do
that,
Benny!
We
must
always
be
careful
with
electricity.
They
must
not/mustn’t
play
near
the
heater.
Presentation
C2
Daisy
saw
a
doctor.
The
doctor
told
her
what
to
do
and
what
not
to
do.
Help
her
write
down
the
doctor’s
instructions.
drink
more
water
go
to
bed
early
eat
cold
food
share
cups
with
others
go
out
alone
take
the
medicine
on
time
Presentation
选用
can,
may,
must,
can’t
或
mustn’t
填
空，
每词限用一次。
1.
You
_______
cross
the
road
when
the
traffic
lights
turn
red.
2.
—
___
you
sing
a
Chinese
song
for
us,
Lucy?
—
Sorry,
I
can’t.
3.
—
____
I
use
your
pen,
Li
Ming?
—
Yes,
of
course.
4.
—
Is
that
man
your
English
teacher?
—
He
____
be
our
English
teacher.
He
has
gone
to
Beijing.
5.
We
_____
be
home
by
six.
mustn’t
Can
May
can’t
must
Exercises
a.
A
man
is
going
to
see
his
boss.
He
is
standing
at
the
doorway.
May
I
come
in?
b.
A
student
is
going
to
ask
the
teacher
a
question.
May
I
ask
you
a
question?
c.
A
boy
is
thirsty.
He
is
asking
his
mother
for
something.
May
I
have
some
water?
d.
A
shop
assistant
is
serving
a
customer.
May
I
help
you?
I
must
go
to
bed
early.
I
must
take
the
medicine
on
time.
eat
cold
food
I
must
not
go
out
alone.
I
must
not
share
cups
with
others.
Homework
1.
抄写单词和短语：bulb，lock，rule，test，tidy，touch；air
conditioner，switch
off，tidy
up。
2.
收集家中最近一年的电费账单，下一节课带到学校来。
3.
完成《练习册》第83至85页Grammar，第88页Speaking
B和第92页Writing的练习。