【备考2021】中考英语复习三年中考两年模拟 (情态动词)课件(17张PPT)+练习(原卷版+解析版)

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名称 【备考2021】中考英语复习三年中考两年模拟 (情态动词)课件(17张PPT)+练习(原卷版+解析版)
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更新时间 2021-01-14 18:48:47

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(共17张PPT)
第八讲
情态动词
中考一轮复习3+2
全国版
情态动词在历年的中考测试中既是中考热点,也是中考难点。在中考中,除了对情态动词的基本意义和用法进行考查外,还加强了对具有相同功能、意思相近的情态动词用法的考查,尤其情态动词表推测的用法是此部分的重要考点,也是学生在中考中的高分瓶颈。下面,就情态动词表推测的用法从不同角度结合试题进行分析,来突破此难点。
考情小结
思维导图
情态动词的类型和特征
考点透析
考点一
情态动词的特征
1.情态动词的特征
(1)本身有一定词义,但不能单独做谓语,必须和实义动词连用,构成谓语。
He
can
swim.
We
shouldn't
laugh
at
others.
(2)无人称和数的变化
(3)后接动词原形
(4)具有助动词的作用,可用来构成否定句、疑问句及用于简明答语。
常见的情态动词有shall,
should,
will,
would,
can,
could,
may,
might,
need,
must,
may
考点透析
考点二
常见情态动词的用法
情态动词
用法
例句
can
表示能力,意为“能、会”,可与be
able
to转换
I
can
speak
English
well.
我英语能够讲得很好。
表示请求、允许,意为“可以”
Can
I
borrow
your
bike?
我能借你的自行车吗?
can’t
can’t表示能力,意为“不能,不会”
I
can’t
carry
the
heavy
box.
我搬不动那个沉重的箱子。
表推测,表示不可能,可能性几乎为零。
He
can’t
have
gone
to
New
York.
I
saw
him
just
now.他不可能去了纽约。我刚还见他了。
考点透析
情态动词
用法
例句
could
can的过去式,意为
“能、会”,表示过去的能力
He
could
play
the
piano
well
when
he
was
young.
他很小的时候钢琴就弹得非常好。
在疑问句中表示委婉的请求,语气更委婉些。
Could
I
take
this
seat,
sir,
if
you
don’t
mind?先生,如果你不介意,
我可以坐这个位值吗?
couldn’t
could的否定形式,意为“不能,不会”
The
little
girl
couldn’t
dress
herself.
这个小女孩不会自己穿衣服。
考点二
常见情态动词的用法
考点透析
注意:
(1)can(could)与be
able
to的辨析
can只用于现在时,过去时用could,此两词不用于其他时态。be
able
to可用于任何时态。
①She
can
(is
able
to)
drive
a
car.
她能开车。
②He
could
(was
able
to)play
the
piano
at
the
age
of
ten.
他10岁时就能弹钢琴。
③I
will
be
able
to
ride
a
bike
in
a
week.
(不能用can/could)
一个星期内我就会骑自行车。
考点二
常见情态动词的用法
考点透析
情态动词
用法
例句
must
表示主观看法,意为“必须”
You
must
finish
your
homework
first!
你必须先完成你的家庭作业!
表示推测“一定,肯定”(100%的可能性)
You
must
be
an
American.
你肯定是个美国人。
mustn’t
must的否定式mustn’t,表示“禁止,不允许”。
You
mustn’t
smoke
here.
你不许在这里抽烟。
考点透析
情态动词
用法
例句
must
表示主观看法,意为“必须”
You
must
finish
your
homework
first!
你必须先完成你的家庭作业!
表示推测“一定,肯定”(100%的可能性)
You
must
be
an
American.
你肯定是个美国人。
mustn’t
must的否定式mustn’t,表示“禁止,不允许”。
You
mustn’t
smoke
here.
你不许在这里抽烟。
考点二
常见情态动词的用法
考点透析
情态动词
用法
例句
may
表示请求、许可,意为“可以”,也可表示祝福和愿望
May
I
have
a
look?我可以看看吗?
May
you
be
happy!祝您幸福!
有可能,也许(20%-80%的可能
性),用于肯定句
Jim
may
be
sleeping
now.
吉姆现在可能在睡觉。
may
not
表示否定推测,语气不确定,意为“可能不”
It
may
not
be
my
pen.
这可能不是我的钢笔。
might
may的过去式,表示请求、许可,语气比may更委婉
Might
I
smoke
here?
我可以在这里吸烟吗?
考点二
常见情态动词的用法
考点透析
注:
maybe
&
may
be
maybe
用于句首表示“可能;
也许”,
相当于perhaps
may
be
其中may是情态动词,
后接动词原形be,
表示“可能是”,
在句中作谓语。两者可互换。
考点二
常见情态动词的用法
考点透析
注:
情态动词表推测:
推测的可能性由小到大为:
can’t
(不可能)→might/may/could(可能)→must(一定是)
①The
man
under
the
tree
can’t
be
John.
He
went
to
London
with
his
parents
yesterday.
树下的那个男人不可能是约翰。他昨天和父母去伦敦了。
②He
may
know
the
way
to
the
post
office.
I
am
not
sure.
他可能知道去邮局的路。但我不确定。

The
notebook
must
be
Li
Ming’s.
His
name
is
on
the
first
page.
这笔记本一定是李明的。他的名字在第一页。
考点三
情态动词表推测
考点透析
情态动词
用法
例句
should
意为“应该”,表示要求和命令
We
should
keep
the
air
fresh.
我们应该保持空气清新。
shouldn’t
should的否定,表示“不应该”
We
shouldn’t
speak
aloud
in
the
reading
room.我们不应该在阅览室大声说话。
have
to
/has
to
(三单)
/had
to
过去式)
意为“不得不”,表示客观原因
I
have
to
look
after
my
brother,because
my
mother
is
ill.
He
had
to
stay
at
home
because
of
the
heavy
rain.
考点透析
情态动词
用法
例句
will
自愿或主动做某事
—Can
someone
help
me?有人能帮我一下吗?
—I
will.我来帮你。
won’t
will的否定形式
The
little
boy
won’t
say
hello
to
me
because
of
the
shyness.因为害羞,小男孩没有给我们招呼。
would
自愿或主动做某事,用于过去时态中
Mary
said
she
would
tell
me
the
truth.
玛丽说她会告诉我真相。
wouldn’t
would
的否定形式
I
wouldn’t
go
to
the
concert
because
it
rained
heavily.因为下大雨,我不去音乐会了。
典例1:(
)(2020北京)____
you
give
me
a
hand?
I
can't
move
the
box
by
myself.
—No
problem.
A.
Could
B.
Should
C.
Must
D.
Need
【解析】句意:——你能帮我一下吗?我自己搬不动这个箱子。——没问题。本题考查情态动词。could能,should应该,must必须,need需要。根据I
can't
move
the
box
by
myself可知,我自己搬不动这个箱子,因此请求别人帮助,Could
you
do
sth?你能做某事吗?表示委婉地请求。故选A。
考点突破
A
举一反三

)(2020天水)36.—Where
is
Tom?
—He
________
in
his
room.
The
light
in
his
room
is
on.
A.
mustn’t
be
B.
can
be
C.
can’t
be
D.
must
be
【解析】句意:——汤姆在哪?——他一定在他的房间里。他房间里的灯开着。考查情态动词。mustn’t禁止;can
能够;can’t不可能;must一定。根据“The
light
in
his
room
is
on”可知此处表示肯定的推测,用must
be表示“一定”在他的房间。故选D。
D
感谢欣赏中小学教育资源及组卷应用平台
【备考2021】中考英语复习三年中考两年模拟
(情态动词)原卷

)1.(2020北京)4.—________
you
give
me
a
hand?
I
can't
move
the
box
by
myself.
—No
problem.
A.
Could
B.
Should
C.
Must
D.
Need

)2.(2020福建)13.—
Is
this
book
Linda's?

It
________
be
hers.
Sandy's
name
is
on
the
cover.
A.
can't
B.
mustn't
C.
needn't

)3.(2020天水)36.—Where
is
Tom?
—He
________
in
his
room.
The
light
in
his
room
is
on.
A.
mustn’t
be
B.
can
be
C.
can’t
be
D.
must
be

)4.(2020贵州安顺)12.With
the
help
of
Air
Classroom,
students
________
keep
learning
even
with
schools
closed.
A.
can
B.
must
C.
should

)5.(2020贵州黔东南)32.—Is
that
Li
Ming
over
there?
—It
________be
him.
He
has
gone
to
Zhenyuan
for
the
Dragon
Boat
Festival.
A.
must
B.
mustn't
C.
can
D.
can't

)6.(2020贵州黔南州)9.Polluted
air
and
water
_____
kill
plants,
animals,
and
even
people.
A.
can
B.
can't
C.
should
D.
shouldn't

)7.(2020贵州黔西南州)9.There
is
a
knock
at
the
door.
It________my
mom.
It’s
time
for
her
to
be
back
home.
A.
may
be
B.
may
not
be
C.
must
be
D.
mustn’t
be

)8.(2020贵州铜仁)28.—How
delicious
the
meal
is!
Did
Kangkang’s
mother
cook
it?
—It________
be
her.
These
days
she
has
been
in
a
poor
village
to
help
the
people
there.
A.
can’t
B.
won’t
C.
mustn’t
D.
needn’t

)9.(2020哈尔滨)11.—Whose
magazine
is
this?
—It
________
be
Nancy's.
Look!
Her
name
is
on
its
cover
(封面).
A.
must
B.
can't
C.
mustn't

)10.2020河北4.
you
smell
something
burning?
Go
and
see
what's
happening.
A.
Can
B.
May
C.
Must
D.
Need

)11.(2020黑龙江龙东)8.—Mum,
________
I
do
my
homework
tonight?
—No,
you
________.
But
you
must
finish
it
before
Sunday.
A.
need;
mustn’t
B.
must;
needn’t
C.
must;
mustn’t

)12.(2020绥化)17.—
Must
I
return
the
book
to
you
now?

__________,
you
__________.
You
can
do
it
tomorrow.
A.
No;needn’t
B.
No;mustn’t
C.
Yes;must

)13.(2020湖北鄂州)11.—Whose
textbook
is
it?
Is
it
Jenny's?
—No,
it
____
be
Jenny's.
Look,
Helen's
name
is
on
the
cover.
I
think
it
______
be
Helen's.
A.
can't;
must
B.
mustn't;
must
C.
can't;
may
D.
mustn't;
may

)14.2020年湖北宜昌6.—Listen!
Linda
is
playing
the
erhu
in
the
next
room.
—It____________
not
be
Linda.
She
has
gone
to
Shanghai
to
visit
her
uncle.
A.
can
B.
must
C.
need
D.
shall

)15.(2020湖北咸宁)10.—Mum,
it’s
too
hot.
______I
swim
in
the
lake
with
my
friends?
—No,
you
___________.
That’s
too
dangerous!
A.
Could;
mustn’t
B.
Need;
couldn’t
C.
Must;
needn’t
D.
Should;
can’t

)16.(2020湖北武汉)10.—I
don’t
care
what
people
think.
—Well,
you______________.
Some
opinions
are
worth
weighing.
A.
might
B.
should
C.
could
D.
would

)17.(2020湖北黄冈)3.—Is
this
blue
schoolbag
Lucy's?
—No.
It
be
hers.
Her
schoolbag
is
pink.
A.
must
B.
mustn't
C.
can't
D.
may

)18.(2020怀化)4.—Where's
Jane?
—I'm
not
sure.
She
______
in
the
library.
A.
might
be
B.
must
be
C.
can't
be

)19.(2020益阳)4.—Must
we
clean
the
classroom
at
once?
—No,
you
________.
You
may
clean
it
after
school.
A.
mustn’t
B.
needn’t
C.
can’t

)20.(2020淮安)7.You
_________
smoke
here!
Look
at
the
sign.
It
says
"No
smoking".
A.
needn't
B.
mustn't
C.
can
D.
may

)21.(2020江苏连云港)6.If
we
don’t
protect
nature,
some
wildlife____
die
out
in
the
future.
A.
need
B.
may
C.
can’t
D.
shouldn’t

)22.(2020南京)5.By
the
time
she
was
eight,
Linda________
read
English
and
French.
A.
could
B.
must
C.
need
D.
may

)23.(2020苏州)6.—
Mum,
why
do
I
have
to
wash
hands
so
many
times
a
day?

For
your
health,
you
______
be
too
careful.
A.
can’t
B.
shouldn’t
C.
mustn’t
D.
needn’t

)24.(2020泰州)13.—In
China,
many
students
feel
stressed
because
of
too
much
homework.
—Don’t
worry.
Our
government
has
realized
this
problem.
I’m
sure
there
________
be
good
news
for
them
soon.
A.
can
B.
must
C.
should
D.
need

)25.(2020无锡)5.You
________
be
able
to
control
all
the
things
that
happen
to
you,
but
you
can
decide
not
to
be
reduced
by
them.
A.
need
not
B.
may
not
C.
must
not
D.
should
not

)26.(2020扬州)10.From
the
top
of
the
Autumn
Hill
people________
enjoy
the
fullest
sight
of
Ge
Garden.
A.
have
to
B.
need
C.
should
D.
can

)27.(2020滨州)11.—On
my
way
to
the
bookstore,
I
saw
Mary
hanging
out
with
her
friends.
—It________be
her.
She
has
gone
to
Beijing.
A.
can't
B.
mustn't
C.
might
D.
could

)28.(2020镇江)4.I
am
proud
that
our
Chinese
survey
team___________
successfully
remeasure
Qomolangma(再测珠穆朗玛峰),
the
world's
highest
peak.
A.
must
B.
can
C.
may
D.
should

)29.(2020铁岭葫芦岛)7.—Jane,
I
saw
your
mother
yesterday.
—It
________
be
her.
She
is
working
abroad.
A.
mustn't
B.
can't
C.
shouldn't
D.
couldn't

)30.(2020青海)—Lily
is
intelligent
and
hard-working,
she
___
do
well
in
the
singing
competition.
—Sure.
She
was
born
to
be
a
singer.
A.
should
B.
might
C.
can’t

)31.(2020日照)3.Children
________
be
told
not
to
swim
alone
in
the
river.
A.
can
B.
may
C.
must
D.
might

)32.(2020徐州)10.Mother
had
a
hard
time
getting
Helen
up
in
the
morning.
She
called
and
called,
but
Helen
________wake
up.
A.
wouldn’t
B.
mustn’t
C.
needn’t
D.
shouldn’t

)33.(2020南通)11.—The
article
says
that
one’s
personality
depends
on
his
animal
sign.
—You
_______
read
it
for
fun,
but
don’t
believe
in
that.
A.
can
B.
must
C.
shouldn’t
D.
needn’t

)34.(2020襄阳)11.—Must
the
children
get
up
at
six
tomorrow
morning?
—No,
they
_____________.
Let
them
have
a
good
sleep
on
weekends.
A.
can’t
B.
needn’t
C.
mustn’t
D.
may
not

)35.(2020十堰)5.—______
you
please
take
the
dog
for
work?
—OK,
but
I
have
to
fold
the
clothes
first.
A.
Must
B.
Should
C.
Could
D.
May

)36.(2020牡丹江、鸡西)3.—Where
is
Monica?
I
can't
find
her
anywhere.
—She
________
be
in
the
library.
She
loves
reading
books
when
she
is
free.
A.
can
B.
must
C.
can't

)37.(2020武威)15.You
haven't
eaten
all
day.
You
________
be
very
hungry.
A.
couldn't
be
B.
can't
C.
might
D.
must
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21世纪教育网(www.21cnjy.com)中小学教育资源及组卷应用平台
【备考2021】中考英语复习三年中考两年模拟
(情态动词)解析卷

)1.(2020北京)4.—________
you
give
me
a
hand?
I
can't
move
the
box
by
myself.
—No
problem.
A.
Could
B.
Should
C.
Must
D.
Need
【答案】A
【解析】句意:——你能帮我一下吗?我自己搬不动这个箱子。——没问题。本题考查情态动词。could能,should应该,must必须,need需要。根据I
can't
move
the
box
by
myself可知,我自己搬不动这个箱子,因此请求别人帮助,Could
you
do
sth?你能做某事吗?表示委婉地请求。故选A。

)2.(2020福建)13.—
Is
this
book
Linda's?

It
________
be
hers.
Sandy's
name
is
on
the
cover.
A.
can't
B.
mustn't
C.
needn't
【答案】A
【解析】句意:——这本书是琳达的么?——不可能是她的,桑迪的名字在封面上。考查情态动词。can’t不可能;mustn’t禁止;needn’t没必要。根据“Sandy's
name
is
on
the
cover”可知此处表达的是否定的推测,用can’t表示“不可能”。故选A。

)3.(2020天水)36.—Where
is
Tom?
—He
________
in
his
room.
The
light
in
his
room
is
on.
A.
mustn’t
be
B.
can
be
C.
can’t
be
D.
must
be
【答案】D
【解析】句意:——汤姆在哪?——他一定在他的房间里。他房间里的灯开着。考查情态动词。mustn’t禁止;can
能够;can’t不可能;must一定。根据“The
light
in
his
room
is
on”可知此处表示肯定的推测,用must
be表示“一定”在他的房间。故选D。

)4.(2020贵州安顺)12.With
the
help
of
Air
Classroom,
students
________
keep
learning
even
with
schools
closed.
A.
can
B.
must
C.
should
【答案】A
【解析】句意:在空中教室的帮助下,即使学校关闭,学生也可以继续学习。考查情态动词。can可以,表能力;must必须,表必须;should应该,表建议。根据上文With
the
help
of
Air
Classroom可知,此处指的是即使学校关闭,学生也可以继续学习。A选项符合句意,故选A。

)5.(2020贵州黔东南)32.—Is
that
Li
Ming
over
there?
—It
________be
him.
He
has
gone
to
Zhenyuan
for
the
Dragon
Boat
Festival.
A.
must
B.
mustn't
C.
can
D.
can't
【答案】D
【解析】句意:——在那边的那个人是李明吗?——不可能是他。他到镇远过端午节去了。考查情态动词。must必须、一定;mustn't不必;can能、能够;can't不可能。根据He
has
gone
to
Zhenyuan
for
the
Dragon
Boat
Festival.可知他到镇远过端午节去了,所以不可能是他,表示“不可能”用can’t;故答案选D。

)6.(2020贵州黔南州)9.Polluted
air
and
water
_____
kill
plants,
animals,
and
even
people.
A.
can
B.
can't
C.
should
D.
shouldn't
【答案】A
【解析】句意:受污染的空气和水可能会杀死植物、动物甚至是人。考查情态动词。can表理论上的可能性;can't不可能;should应该;shouldn't不应该。根据语境及常识可知此处表示理论上的可能性,应该用can,故选A。

)7.(2020贵州黔西南州)9.There
is
a
knock
at
the
door.
It________my
mom.
It’s
time
for
her
to
be
back
home.
A.
may
be
B.
may
not
be
C.
must
be
D.
mustn’t
be
【答案】C
【解析】句意:有人敲门,一定是妈妈.?该是她回家的时候了。考查情态动词。may
be
可能是;may
not
be可能不是;must
be一定是;mustn’t
be一定不是。由题干的最后一句可知,说话人猜测敲门人的把握很大,因此只有must?be?符合本题意思,故答案选C。

)8.(2020贵州铜仁)28.—How
delicious
the
meal
is!
Did
Kangkang’s
mother
cook
it?
—It________
be
her.
These
days
she
has
been
in
a
poor
village
to
help
the
people
there.
A.
can’t
B.
won’t
C.
mustn’t
D.
needn’t
【答案】A
【解析】句意:—这顿饭真好吃!康康的妈妈做的吗?
—不可能是她。这些天她一直在一个贫穷的村庄帮助那里的人们。考查情态动词表推测。can't
be不可能是;won't=will
not将不会;mustn't一定不要,禁止;needn't没必要。根据句子“These
days
she
has
been
in
a
poor
village
to
help
the
people
there.”可推测这个人一定不是Kangkang's
mother.根据can't
be“一定不是”。故选A。

)9.(2020哈尔滨)11.—Whose
magazine
is
this?
—It
________
be
Nancy's.
Look!
Her
name
is
on
its
cover
(封面).
A.
must
B.
can't
C.
mustn't
【答案】A
【解析】句意:——这是谁的杂志?——一定是南希的。看,她的名字在封面上。考查情态动词辨析。must一定,表示肯定推测;can’t不可能,表示否定推测;mustn’t禁止。根据“Look!
Her
name
is
on
its
cover
(封面)”可知,这里是肯定推测,故选A。

)10.2020河北4.
you
smell
something
burning?
Go
and
see
what's
happening.
A.
Can
B.
May
C.
Must
D.
Need
【答案】A
【解析】句意:你能闻到烧焦的东西吗?
去看看发生了什么。考查情态动词。Can能;May可以,与第二人称连用通常表祝福;Must必须;Need需要。根据空后“you
smell
something
burning你闻到烧焦的东西”可知,此处是说“能”can。“你能闻到烧焦的东西吗”符合句意。故选A。

)11.(2020黑龙江龙东)8.—Mum,
________
I
do
my
homework
tonight?
—No,
you
________.
But
you
must
finish
it
before
Sunday.
A.
need;
mustn’t
B.
must;
needn’t
C.
must;
mustn’t
【答案】B
【解析】句意:——妈妈,今天晚上我必须做我家庭作业吗?——不,你不需要,但是你必须在星期日之前完成它。考查情态动词辨析。need需要;mustn’t禁止;must必须;needn’t不需要。根据答句部分no可知,问句是一般疑问句,must可以引导一般疑问句,肯定回答用must,否定回答用needn’t;第一空使用must,表示“今天晚上我必须做我的家庭作业吗?”第二空使用needn’t,是否定回答,表示“不需要”。故选B。

)12.(2020绥化)17.—
Must
I
return
the
book
to
you
now?

__________,
you
__________.
You
can
do
it
tomorrow.
A.
No;needn’t
B.
No;mustn’t
C.
Yes;must
【答案】A
【解析】句意:——我现在必须把书还给你吗?
——不,不需要。你可以明天再做这件事。
考查must开头的一般疑问句。根据答句You
can
do
it
tomorrow可知,空格处是说不需要,做否定回答,C选项可排除。根据英语语法,以must开头的一般疑问句,否定回答用needn’t或don’t
have
to,故选A。

)13.(2020湖北鄂州)11.—Whose
textbook
is
it?
Is
it
Jenny's?
—No,
it
____
be
Jenny's.
Look,
Helen's
name
is
on
the
cover.
I
think
it
______
be
Helen's.
A.
can't;
must
B.
mustn't;
must
C.
can't;
may
D.
mustn't;
may
【答案】A
【解析】句意:——这是谁教科书?是珍妮的么?——不是,他不可能是珍妮的。封面上是海伦的名字,我认为一定是海伦的。考查情态动词。can’t不可能;must必须,一定;mustn’t禁止;may可能。根据“No”可知第一空表示的是否定的推测,用can’t表示“不可能”。根据“Look,
Helen's
name
is
on
the
cover”封面上有海伦的名字,可知第二空是肯定的推测,用must
be表示“一定是”。故选A。

)14.2020年湖北宜昌6.—Listen!
Linda
is
playing
the
erhu
in
the
next
room.
—It____________
not
be
Linda.
She
has
gone
to
Shanghai
to
visit
her
uncle.
A.
can
B.
must
C.
need
D.
shall
【答案】A
【解析】句意:——听,琳达正在隔壁房间拉二胡。——不可能是琳达,她去上海拜访她叔叔去了。考查情态动词。can能够,可能;must必须,一定;need需要;shall将。根据“She
has
gone
to
Shanghai
to
visit
her
uncle”可知此处表示否定的推测,此处用can
not表示“不可能”。故选A。

)15.(2020湖北咸宁)10.—Mum,
it’s
too
hot.
______I
swim
in
the
lake
with
my
friends?
—No,
you
___________.
That’s
too
dangerous!
A.
Could;
mustn’t
B.
Need;
couldn’t
C.
Must;
needn’t
D.
Should;
can’t
【答案】A
【解析】句意:——妈妈,太热了,我能和我的朋友们在湖里游泳吗?——不,你不能去,那太危险了。考查情态动词辨析。could可以;mustn’t禁止,不可以;need需要;couldn’t不能;must必须;needn’t不需要;should应该;can’t不能。根据问句中“I
swim
in
the
lake
with
my
friends”可知,此处使用could,表示“请求允许”,即:我能和我的朋友们在湖里游泳吗?根据答句中“That’s
too
dangerous!”可知,在湖里游泳太危险了,所以此处使用mustn’t,表示“禁止”,即:你不能去。故选A。

)16.(2020湖北武汉)10.—I
don’t
care
what
people
think.
—Well,
you______________.
Some
opinions
are
worth
weighing.
A.
might
B.
should
C.
could
D.
would
【答案】B
【解析】句意:——我不在意别人怎么想的。——嗯,你应该在意。一些想法值得权衡。考查情态动词。might可能;should应该;could能够;would将。根据“Some
opinions
are
worth
weighing”可知此处表示应该在意别人的看法,用情态动词should。故选B。

)17.(2020湖北黄冈)3.—Is
this
blue
schoolbag
Lucy's?
—No.
It
be
hers.
Her
schoolbag
is
pink.
A.
must
B.
mustn't
C.
can't
D.
may
【答案】C
【解析】句意:——这个蓝色的书包是露西的?——不是。它不可能是她的。她的书包是粉红色的。考查情态动词。must必须,一定;mustn’t禁止;can’t不可能;may可能。根据“Her
schoolbag
is
pink.”可知此处是否定的推测,用can’t表达“不可能”。故选C。

)18.(2020怀化)4.—Where's
Jane?
—I'm
not
sure.
She
______
in
the
library.
A.
might
be
B.
must
be
C.
can't
be
【答案】A
【解析】句意:——Jane在哪里?——我不确定。她可能在图书馆。考查情态动词。might
be可能是,表示推测时可能性不是很大;must
be一定是,表示十分肯定的推测;can't
be不可能是,表示否定推测。根据句意,结合I'm
not
sure.
可知说话者的语气不太肯定,所以might
be符合题意,故答案选A。

)19.(2020益阳)4.—Must
we
clean
the
classroom
at
once?
—No,
you
________.
You
may
clean
it
after
school.
A.
mustn’t
B.
needn’t
C.
can’t
【答案】B
【解析】句意:——我们必须马上打扫教室吗?——不,你们不必。你们可以放学后打扫它。
考查情态动词。mustn't禁止;needn't不必;can’t不能。根据问句“Must
we
clean
the
classroom
at
once?”可知此处是以must开头的一般疑问句,作否定回答时用:No,
you
needn't./No,
you
don't
have
to.
结合选项可知用needn't符合题意。故选B。

)20.(2020淮安)7.You
_________
smoke
here!
Look
at
the
sign.
It
says
"No
smoking".
A.
needn't
B.
mustn't
C.
can
D.
may
【答案】B
【解析】句意:你不能在这里吸烟!看那个标志牌。上面写着“禁止吸烟”。考查情态动词辨析。needn’t不需要,没有必要;mustn’t禁止,不要;can能,会;may可以,可能。根据句意“Look
at
the
sign.
It
says
"No
smoking".”可知,这里禁止吸烟,因此用mustn’t表示禁止做的事情,故选B。

)21.(2020江苏连云港)6.If
we
don’t
protect
nature,
some
wildlife____
die
out
in
the
future.
A.
need
B.
may
C.
can’t
D.
shouldn’t
【答案】B
【解析】句意:如果我们不保护自然,一些野生动物将来可能会灭绝。考查情态动词。need需要;may可能;can’t可能不,一定不;shouldn’t不应该。根据句意可知,空处表示肯定推测;结合选项可知,选项里表肯定推测的情态动词只有may,可能会灭绝may
die
out符合语境。故选B。

)22.(2020南京)5.By
the
time
she
was
eight,
Linda________
read
English
and
French.
A.
could
B.
must
C.
need
D.
may
【答案】A
【解析】句意:到琳达八岁的时候,她会读英语和法语。考查情态动词。could是can的过去式,能够;must必须;need需要;may可能。根据“By
the
time
she
was
eight”可知表示的是过去的动作,“读英语和法语”是一种能力,此处表达的是“能够”,用could。故选A。

)23.(2020苏州)6.—
Mum,
why
do
I
have
to
wash
hands
so
many
times
a
day?

For
your
health,
you
______
be
too
careful.
A.
can’t
B.
shouldn’t
C.
mustn’t
D.
needn’t
【答案】A
【解析】句意:——妈妈,为什么我一天必须洗手这么多次?——为了你的健康,你再小心也不为过。考查情态动词辨析。can’t不能;shouldn’t不应该;mustn’t不允许;needn’t不必。根据For
your
health及所给选词,可知,为了你的健康,你再怎么小心也不为过,固定搭配:can’t
too表示“再……也不为过”,所以空格处填can’t。故选A。

)24.(2020泰州)13.—In
China,
many
students
feel
stressed
because
of
too
much
homework.
—Don’t
worry.
Our
government
has
realized
this
problem.
I’m
sure
there
________
be
good
news
for
them
soon.
A.
can
B.
must
C.
should
D.
need
【答案】B
【解析】句意:——在中国,很多学生因为太多作业而感到压力很大。——不要担心。我们的政府已经意识到了这个问题。我相信很快就会有好消息给他们。
考查情态动词辨析。can能,会;must一定;必须;should应该;need需要。根据句中“I’m
sure…”表示我确信……可知,说话人对此非常有把握,must语气最强,符合语境。故选B。

)25.(2020无锡)5.You
________
be
able
to
control
all
the
things
that
happen
to
you,
but
you
can
decide
not
to
be
reduced
by
them.
A.
need
not
B.
may
not
C.
must
not
D.
should
not
【答案】B
【解析】句意:你可能无法控制发生在你身上的所有事情,但你可以决定不被它们拖累。
考查情态动词辨析。need
not不需要;may
not可能不;must
not禁止,不能;should
not不应该。根据句中“but
you
can
decide
not
to
be
reduced
by
them”可知,此处使用may
not,表示推测,意为“你可能无法控制发生在你身上的所有事情,但你可以决定不被它们拖累”。故选B。

)26.(2020扬州)10.From
the
top
of
the
Autumn
Hill
people________
enjoy
the
fullest
sight
of
Ge
Garden.
A.
have
to
B.
need
C.
should
D.
can
【答案】D
【解析】句意:从秋山顶上,人们可以欣赏到个园的全貌。考查情态动词。have
to
不得不;need
需要;should
应该;can
可以。根据语境,此处指在山顶,人们“可以”欣赏到全景。故选D。

)27.(2020滨州)11.—On
my
way
to
the
bookstore,
I
saw
Mary
hanging
out
with
her
friends.
—It________be
her.
She
has
gone
to
Beijing.
A.
can't
B.
mustn't
C.
might
D.
could
【答案】A
【解析】句意:——在我去书店的路上,我看见玛丽和她的朋友们在一起。——不可能是她。她去北京了。考查情态动词辨析。can't不可能;mustn't禁止;might可能,表推测;could能,表能力。分析语意可知,此处表示可能性,根据“She
has
gone
to
Beijing.”可知,不可能是玛丽,表否定推测。故选A。

)28.(2020镇江)4.I
am
proud
that
our
Chinese
survey
team___________
successfully
remeasure
Qomolangma(再测珠穆朗玛峰),
the
world's
highest
peak.
A.
must
B.
can
C.
may
D.
should
【答案】B
【解析】句意:我很自豪我们的中国测量团队能够成功地重新测量世界最高峰珠穆朗玛峰。
考查情态动词。must必须;can能够;may可以;should应该。根据句意指“能够成功地重新测量”,所以用情态动词can,表示能力,故选B。

)29.(2020铁岭葫芦岛)7.—Jane,
I
saw
your
mother
yesterday.
—It
________
be
her.
She
is
working
abroad.
A.
mustn't
B.
can't
C.
shouldn't
D.
couldn't
【答案】B
【解析】句意:——简,我昨天看到你母亲了。——不可能是她。她正在国外工作。考查情态动词。mustn’t禁止;can’t不可能;shouldn’t
不应该;couldn’t不能,是can’t的过去式。根据“She
is
working
abroad”可知此处是否定的推测,表示“不可能”,用can’t。故选B。

)30.(2020青海)—Lily
is
intelligent
and
hard-working,
she
___
do
well
in
the
singing
competition.
—Sure.
She
was
born
to
be
a
singer.
A.
should
B.
might
C.
can’t
【答案】A
【解析】句意:——莉莉聪明又勤奋,她应该在歌唱比赛中取得好成绩。——当然。她天生是个歌唱家。考查情态动词。should应该;might可能;can't不可能。根据答句“Sure.
She
was
born
to
be
a
singer.”讲到Lily是天生的歌唱家,可知此处表示肯定的推测,排除C。might表示推测时可能性非常小,而should表推测时讲话人是根据自己了解的情况和判断,试探性地得出结论,有“按理应当,估计”的含义。根据题干中“Lily
is
intelligent
and
hard-working”可知这里是根据自己了解的情况而做出的推测,用should而不用might。故选A。

)31.(2020日照)3.Children
________
be
told
not
to
swim
alone
in
the
river.
A.
can
B.
may
C.
must
D.
might
【答案】C
【解析】句意:必须告诉孩子们不要一个人在河里游泳。考查情态动词辨析。can能够;may可能;must必须;might可能。分析句意可知,孩子们必须被告诉不要一个人在河里游泳,故此处应用情态动词must。故选C。

)32.(2020徐州)10.Mother
had
a
hard
time
getting
Helen
up
in
the
morning.
She
called
and
called,
but
Helen
________wake
up.
A.
wouldn’t
B.
mustn’t
C.
needn’t
D.
shouldn’t
【答案】A
【解析】句意:妈妈早上很难把海伦叫醒,她不停地喊,但海伦不肯醒来。本题考查情态动词。wouldn't不愿意,mustn't禁止,needn't不必,shouldn't不应该。根据Mother
had
a
hard
time
getting
Helen
up
in
the
morning.可知,妈妈很费劲才把海伦叫醒,因此海伦不愿意醒来,故选A。

)33.(2020南通)11.—The
article
says
that
one’s
personality
depends
on
his
animal
sign.
—You
_______
read
it
for
fun,
but
don’t
believe
in
that.
A.
can
B.
must
C.
shouldn’t
D.
needn’t
【答案】A
【解析】句意:——文章说一个人的性格取决于他的生肖。——你可以为了好玩而读,但不要相信这一点。考查情态动词。can可以;must必须;shouldn’t不应该;needn’t没有必要。根据句意可知此处是指“可以为了好玩而读”,故选A。

)34.(2020襄阳)11.—Must
the
children
get
up
at
six
tomorrow
morning?
—No,
they
_____________.
Let
them
have
a
good
sleep
on
weekends.
A.
can’t
B.
needn’t
C.
mustn’t
D.
may
not
【答案】B
【解析】句意:——孩子们明天早上必须六点起床吗?——不,他们不需要。让他们在周末睡个好觉。考查情态动词。can't不能;needn't不必;mustn't禁止;may
not可能不。根据题干中“Must
the
children
get
up
at
six
tomorrow
morning?”可知这是以Must开头的一般疑问句,否定回答用:No,
sb.
needn't/don't
have
to.
此处用needn't符合题意。故选B。

)35.(2020十堰)5.—______
you
please
take
the
dog
for
work?
—OK,
but
I
have
to
fold
the
clothes
first.
A.
Must
B.
Should
C.
Could
D.
May
【答案】C
【解析】句意:——你能带狗去上班吗?——好的,但我得先把衣服叠好。考查情态动词。Must必须、一定;Should应该;Could能、能够,can的过去式,也可以表示委婉语气;May可以。根据下文OK,
but
I
have
to
fold
the
clothes
first.
好的,但我得先把衣服叠好。可知上文是问“你能带狗去上班吗?”要填“could”,表示委婉语气,其它选项语意不通,故答案选C。

)36.(2020牡丹江、鸡西)3.—Where
is
Monica?
I
can't
find
her
anywhere.
—She
________
be
in
the
library.
She
loves
reading
books
when
she
is
free.
A.
can
B.
must
C.
can't
【答案】B
【解析】句意:——莫妮卡在哪里?我到处都找不到她。——她一定在图书馆。她有空的时候喜欢读书。考查情态动词。can可能,常用于一般疑问句或否定句;must肯定、一定;can't不可能。根据“She
loves
reading
books
when
she
is
free.”可知她有空的时候喜欢读书,句子是肯定句,此处是有把握的肯定猜测,用“must”。故选B。

)37.(2020武威)15.You
haven't
eaten
all
day.
You
________
be
very
hungry.
A.
couldn't
be
B.
can't
C.
might
D.
must
【答案】D
【解析】句意:你一整天都没吃东西。你一定很饿。考查情态动词表推测。couldn’t
be不可能是;can’t不可能;might可能;
must一定。根据“You
haven't
eaten
all
day.”,可知应该是“一定很饿”,故选D。
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