(共45张PPT)
1.
must用在肯定句中表示较有把握的推测，意为“一定”
He
must
be
working
at
home.
表示“推测”的情态动词
3.can表示推测“不确定”
can’t
则表示“不可能”.
It
can
be
your
book.
He
can’t
be
a
bad
boy.
He
often
helps
others.
2.
might
,could
表示推测“可能性更小”.
He
might
be
at
home.
It
could
belong
to
his
sister.
could
might
must
100%
probably
true
20%-80%
possibly
true
can’t
0
%
almost
not
true
Let’s
sing
together.
1.
Whose
hat
is
this?
It
must
be
_______.
2.
Whose
dress
is
this?
It
must
be
_______.
3.
Whose
doll
is
this?
It
must
be
_______.
4.
Whose
dog
is
this?
It
must
be
_______.
dad’s
mom’s
Jin’s
Min’s
=It
must
belong
to
___
.
=It
must
belong
to
____.
=It
must
belong
to____.
=It
must
belong
to____.
dad
It
must
be
---
(肯定)
mom
Jin
Min
belong
to
“属于”
Let’s
learn.
A:
Whose
hat
is
this?
B:
A:
Whose
dress
is
this?
B:
A:
Whose
doll
is
this?
B:
A:
Whose
dog
is
this?
B:
dad’s
mom’s
Jin’s
Min’s
dad
It
must
be
---
(肯定)
mom
Jin
Min
Let’s
learn.
Let’s
ask
and
answer.
A：Whose
is
this?
B：It
must
be
.
/It
must
belong
to
.
sb's
dress
mom's
sb
mom
dad
Jin
Min
mom
Home
with
kids
Xia
Xue
Xia
Yu
dad
mom
Liu
Xing
This
Saturday
Liu
Xing’s
family
will
have
a
picnic.
They
bring
a
lot
of
things.
skirt
volleyball
toy
truck
rabbit
magazine
A:
Whose
skirt
is
this?
dad’s
Liu
Xing’s
B:
It
can’t
be
.
A:
Why?
B:
Because
dad
is
a
man.
Xia
Yu’
s
It
can’t
be…
(不可能,0%)
A:
Whose
skirt
is
this?
mom’s
B:
It
might
be
.
It
could
be
.
Xia
Xue’s
Xia
Xue
likes
the
pink
skirt
very
much.
But
mom
hates
pink.
A:
It
must
be
.
Xia
Xue’s
It
might
be…
It
could
be…(有可能,20-80%)
A:
Whose
rabbit
is
this?
B:
It
must
be
.
/It
could
be
.
/It
might
be
.
/It
can’t
be
.
A:
Because
mom
likes
rabbits
very
much.
It
must
be
.
mom’s
sb’s
It
must
belong
to
.
mom
Can
you
guess？
sb’s
sb’s
sb’s
A:
Whose
toy
truck
is
this?
A:
Xia
Yu
likes
playing
with
toy
truck
very
much.
He
is
the
only
little
kid
at
this
picnic.
It
must
be
.
Xia
Yu’s
It
must
belong
to
.
Xia
Yu
B:
It
must
belong
to
.
It
could
belong
to
.
It
might
belong
to
.
It
can’t
belong
to
.
sb.
A:
Whose
book
is
this?
J.K.
Rowling
is
dad’s
favorite
writer.
It
must
be
.
Because…
dad’s
It
must
belong
to
.
Because…
dad
B:
It
must
/could/might/can’t
be
.
sb’s.
It
must
/could/might/can’t
belong
to
.
sb.
A:
Whose
is
this?
B:
It
must
/could/might/can’t
be
.
sb’s
It
must
/could/might/can’t
belong
to
.
sb.
A:
Why?
B:Because……
Let’s
say.
Xia
Xue
likes
pop
music.
Liu
Xing
likes
doing
sport.
Mom
likes
reading
magazine.
1b
Listen
and
match
each
person
with
a
thing
and
a
reason.
Person
Thing
Reason
Jane’s
little
brother
Mary
Carla
Deng
Wen
Grace
volleyball
toy
truck
magazine
book
CD
J.K.
Rowling
is
her
favorite
writer.作者
She
loves
volleyball.
He
was
the
only
little
kid
at
the
picnic野餐.
She
always
listens
to
pop
music.
He
loves
rabbits.
Person
Thing
Reason
Jane’s
little
brother
Mary
Carla
Deng
Wen
Grace
volleyball
toy
truck
magazine
book
CD
J.K.
Rowling
is
her
favorite
writer.作者
She
loves
volleyball.
He
was
the
only
little
kid
at
the
picnic
.野餐
She
always
listens
to
pop
music.
He
loves
rabbits.
A:
Whose
is
this?
B:
It
must
be
.
It
must
belong
to
.
A:
Why?
B:
Because
.
volleyball
Carla’s
Carla
She
loves
volleyball
Person
Thing
Reason
Jane’s
little
brother
Mary
Carla
Deng
Wen
Grace
volleyball
toy
truck
magazine
book
CD
J.K.
Rowling
is
her
favorite
writer.作者
She
loves
volleyball.
He
was
the
only
little
kid
at
the
picnic
.野餐
She
always
listens
to
pop
music.
He
loves
rabbits.
1.
must
be
.
Because
.
2.
must
belong
to
.
Because
.
The
volleyball
Carla’s
Carla
She
loves
volleyball
The
volleyball
She
loves
volleyball
The
volleyball
Carla’s.
Because
she
volleyball
very
much.
That
toy
truck
must
Jane’s
little
brother
.
He
is
the
only
little
kid
at
the
picnic.
And
the
magazine
must
belong
to
Deng
Wen
because
she
loves
.
J.K.
Rowling
is
Mary’s
favorite
writer
,
so
the
book
must
be
.
The
CD
must
belong
to
because
She
always
listens
to
pop
music.
must
be
loves
belong
to
rabbits
Mary’s
Grace
Let’s
listen
and
fill.
Listen
again
and
complete.
A:
________
volleyball
is
this?
B:
It
________
be
Carla’s.
She
loves
volleyball.
A:
How
about
this
toy
________?
C:
Hmm
…
that
toy
truck
________
belong
to
Jane’s
little
brother.
He
was
the
only
little
kid
at
the
________.
And
the
magazine
must
________
________
Deng
Wen.
He
loves
rabbits.
B:
Oh,
look,
someone
left
a
book.
C:
That
book
must
________
Mary’s.
J.
K.
Rowling
is
her________
writer.
A:
OK
…
and
how
about
this
CD?
C:
Hmm
…
The
CD
must
belong
to
Grace.
She
________listens
to
pop
music.
Whose
must
truck
must
picnic
belong
to
be
favorite
Grace
21世纪教育网
A:
Whose
volleyball
is
this?
B:
It
must
be
Carla’s.
She
loves
volleyball.
A:
How
about
this
toy
truck?
C:
Hmm
…
that
toy
truck
must
belong
to
Jane’s
little
brother.
He
was
the
only
little
kid
at
the
picnic.
And
the
magazine
must
belong
to
Deng
Wen.
He
loves
rabbits.
B:
Oh,
look,
someone
left
a
book.
C:
That
book
must
be
Mary’s.
J.
K.
Rowling
is
her
favorite
writer.
A:
OK
…
and
how
about
this
CD?
C:
Hmm
…
The
CD
Grace.
She
always
listens
to
pop
music.
Role
play
the
conversation.
Guessing
game
Who
are
they?
They
can’t
be
______.
They
could/
might
be____.
______.
girls
three
boys
Guessing
game
Who
are
they?
He
could/
might
be_____.
Guessing
game
Who
are
they?
He
could/
might
be____.
Guessing
game
Who
are
they?
They
must
be_______
TFBOYS
He
can’t
be
_______.
He
could/might
be
____.
old
a
yong
boy
He
can’t
be
_______.
He
could/might
be
____.
He
can’t
be
_______.
He
could/might
be
____.
He
must
be
__________.
Lu
Han
Can
this
T-shirt
be
John’s?
No,
it
can’t
be
John’s.
Because
it’s
much
too
small
for
him.
John
Guess:
What’s
it
?
It
could
/
might
be
a/an
…
What’s
in
the
backpack?
There
must/could/might/can’t
be
a
…
in
it.
2a
Bob
and
Anna
found
a
backpack
in
front
of
their
school.
Listen
and
write
down
the
things
in
the
backpack.
Things
in
the
backpack
1.T-shirt
2.____________
3.____________
hair
band
tennis
balls
2b
Listen
again
and
fill
in
the
blanks.
1.
The
person
______
go
to
our
school.
2.
The
person
______
be
a
boy.
3.
It
______
be
Mei’s
hair
band.
4.
The
hair
band
______
belong
to
Linda.
5.
It
______
be
Linda’s
backpack.
must
can’t
could
might
must
Read
again
with
your
partner.
1.What
can't
Linda
find?
2.Where
did
she
go
yesterday?
3.
What
are
there
in
her
shoolbag?
Her
shoolbag.
She
attended
a
concert
and
went
to
a
picnic
at
the
park,
There
are
books、pink
hair
band
and
some
tennis
balls.
Read
the
conversation
together.
Let’s
read.
实验室n.
_________
在户外
adv.
_________
外套
n.__________
困倦的
adj.
____________
着落
n._______
外星人n.
__________
追逐__________
西服
n.
合适v.__________
laboratory
outdoors
coat
sleepy
land
alien
run
after
suit
Let’s
check.
Review(复习)
1.
_______
volleyball
is
this?
这是谁的排球？
It_____
_____
Carla's.
She
loves
volleyball.
它一定是卡拉的。她喜欢打排球。
2.
Whose
______
_______
is
this?
这是谁的发带？
It
_____
_____
Mei's
hair
band.
Or
it
might
______
_____
Linda.
They
both
have
long
hair.它可能是梅的。或者它也有可能属于琳达的，她们俩都是长发。
Whose
must
be
hair
band
could
be
belong
to
Review(复习)
3.
_______
______
you
see
that
night?
你那天晚上看见什么了？
I’m
not
sure.
but
it
_____
____
a
dog.
It
was
bigger.
I
think
It
_____
_____
a
bear
or
a
wolf.
我不确定。但它不可能是一只狗。它要大些。我想它有可能是一只熊或者一只狼。
What
did
can't
be
might
be
一、根据句意及首字母提示完成单词。
1.W_____book
is
this?
It
must
be
Mary’s.
2.Her
parents
went
to
Shanghai
to
a_____
a
meeting
last
week.
3.What
food
shall
we
bring
for
the
p____
tomorrow?
4.There
is
something
v________in
the
bag
,so
you
must
be
very
careful
with
it.
5.R_____
are
lovely
animals
.I
would
like
to
have
one
as
a
pet.
Whose
attend
picnic
valuable
Rabbits
用适当的情态动词填空。
The
notebook
be
Ming’s.
It
was
on
her
desk.
The
homework
be
Carol’s.
She
wasn’t
at
school
today.
The
soccer
ball
be
John’s
or
Tony’s.
They
both
play
soccer,
don’t
they?
The
French
book
be
Li
Ying’s.
She’s
the
only
one
who’s
studying
French.
must/might
can’t
might
must
Practice
(
)
1.
---Look
at
the
lady
in
red.
Is
it
Mrs.
King?
---No,
it
_____
be
her.
She
is
wearing
a
white
dress
today.
can
B.
may
C.
must
D.
can’t
(
)
2.
---Excuse
me,
whose
book
is
this?
---
It
____
be
John’s.
It
has
his
name
on
it.
must
B.
need
C.
can’t
(
)
3.
---Is
that
girl
Tina?
---It
_____
be
her.
She
left
for
Tokyo
yesterday.
A.
needn’t
B.
can’t
C.
mustn’t
D
A
B
(
)
4.
---
Is
Peter
here
yet?
---
Not
yet,
but
he
____
be
here
soon.
He
is
usually
on
time.
would
B.
could
C.
shouldn’t
D.
mustn’t
(
)
5.
---What
will
the
weather
be
like
tomorrow?
---
It
____
be
rainy,
cloudy
or
sunny.
Who
knows?
must
B.
might
C.
shall
D.
should
(
)
6.
---
Excuse
me.
Is
this
the
right
way
to
the
Summer
Palace?
---Sorry,
I’m
not
sure.
It______
be.
A.
might
B.
will
C.
must
D.
shall
B
B
A
Let’s
review
情态动词
must,
might,
could,
can’t
后接动词原形,
可以表示对现在的情况的推测.
1.Words:
2.Sentence:
rabbit,
toy
truck,
belong
to,
writer,
hair
band
---
Whose
book
is
this?
---
It
must
/could/might/can’t
be
Mary’s.
It
must
/could/might/can’t
belong
to
Mary.
3.
must表示非常肯定的猜测。
might
/could
表示有可能的猜测。
can’t
表示肯定不可能。
谢谢
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Unit8
It
must
belong
to
Carla.
Section
A
1a-2c同步练习
一、词汇。
1.
If
it
is
fine
tomorrow，we'll
have
a(n)
(野餐)
in
the
new
park.
2.
The
(粉红色的)hair
band
can’t
be
Rose’s.
She
doesn’t
like
the
color.
3.
There
are
three
(卡车)
in
the
parking
lot.
Which
one
is
your
father’s?
4.
The
old
man
feeds
a
few
(兔子)
on
the
farm.
5.
Does
this
book
(属于)
you
?
二、根据句意及首字母提示完成单词。
1.
W_______
book
is
this?
It
must
be
Mary’s.
2.
Her
parents
went
to
Shanghai
to
a________
a
meeting
last
week.
3.
What
food
shall
we
bring
for
the
p________
tomorrow?
4.
There
is
something
v_________
in
the
bag
,so
you
must
be
very
careful
with
it.
5.
R________are
lovely
animals
.I
would
like
to
have
one
as
a
pet.
三、用适当的情态动词填空。
1.
The
notebook
be
Ming’s.
It
was
on
her
desk.
2.
The
homework
be
Carol’s.
She
wasn’t
at
school
today.
3.
The
soccer
ball
be
John’s
or
Tony’s.
They
both
play
soccer,
don’t
they?
4.
The
French
book
be
Li
Ying’s.
She’s
the
only
one
who’s
studying
French.
Unit8
It
must
belong
to
Carla.
Section
A
1a-2c同步练习
一、1.picnic
2.pink
3.trucks
4.rabbits
5.belong
to
二、根据句意及首字母提示完成单词。
1.Whose
2.attend
3.
picnic
4.valuable
5.
Rabbits
三、用适当的情态动词填空。
1.
must
/might
2.
can’t
3.
might
4.
must
