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情态动词主要用法总结

日期:2020-05-13  类别:最新范文  编辑:一流范文网  【下载本文Word版

情态动词主要用法总结 本文关键词:情态,动词,用法

情态动词主要用法总结 本文简介:情态动词主要用法总结can/could1.表能力:例:Canyoutype?Shecouldrunandwasagoodplayer.2.表允许,“可以”。例:CanIcomein?Hesaidwecouldgototheshopforsweets.could比can语气更委婉。也可以用“may”.

情态动词主要用法总结 本文内容:

情态动词主要用法总结

can

/

could

1.

表能力:

例:Can

you

type?

She

could

run

and

was

a

good

player.

2.

表允许,“可以”。

例:Can

I

come

in?

He

said

we

could

go

to

the

shop

for

sweets.

could

比can语气更委婉。也可以用

“may”.

3.

表猜测,多用于疑问或否定句。

例:Can

it

be

true?

He

can’t

be

more

than

thirty.

Where

could

he

have

gone?

4.

虚拟语气中用could.

例:If

you

tried,you

could

do

that

work.

5.

表一时的情况,“有时候会…”

例:Children

can

be

very

annoying.

Our

house

is

on

the

top

of

the

hill,and

in

winter

the

winds

can

be

very

cold.

may

/

might

1.

表许可或征求同意,“可以”。

例:May

/

Might

I

leave?

You

may

bring

them

back

tomorrow.

2.

表可能性,“可能,或许”。

例:He

may

not

be

there.

He

thought

it

might

be

wise

to

try

his

luck

there.

You

may/might

have

read

some

account

of

the

matter.

3.

虚拟语气中用might.

例:If

you

didn’t

mind,we

might

go

there.

If

it

had

not

been

for

you,I

might

not

have

understood.

4.

may

表祝愿。

例:May

you

be

happy!

May

God

bless

you!

must

1.

“必须,一定要”。

例:You

must

see

the

doctor.

2.

表猜测,“一定…”。

例:Judging

by

the

smell,the

food

must

be

good.

He

must

have

arrived

by

air.

He

must

be

working

hard.

3.

表客观必然、不可避免,“必然会,肯定会”.

例:All

men

must

die.

4.

表说话人的不耐烦或令人不快的事,“偏要,偏偏”。

例:Just

when

we

were

ready

to

go

away

for

the

holidays,the

baby

must

catch

a

cold.

shall

助动词用法:构成将来时,用于第一人称。

例:We

shall

read

about

this

tomorrow.

(也可以用will表示)

情态动词用法:

1.征求对方意见,用于一、三人称的疑问句。

例:Shall

I

turn

on

the

light?

Shall

the

boy

wait?

2.

表示说话人的许诺、威胁、决心、规定、命令等,“一定要….”.

例:I

shall

be

there.

I

promise

you

shall

see

her

again.

Each

competitor

shall

wear

a

number.

should

助动词用法:构成过去将来时,用于第一人称。

例:I

told

him

that

I

should

see

him

the

next

day.

情态动词用法:

1.表责任、义务,“应该”,相当于“ought

to”。

例:Children

should

obey

their

parents.

2.should

have

done的用法.

3.

在其他特殊句型中的用法。

will

助动词用法:构成一般将来时,多用于第二、三人称。

例:I

must

go

;

the

students

will

be

waiting

for

me.

情态动词用法:

1.

表请求,多用于第二人称,“…好吗?”。

例:Will

you

type

this

letter,please?

2.

表意愿,“愿意”。

例:Go

where

you

will.

I

will

pay

you

at

the

rate

you

ask.

3.

表习惯、经常性、倾向性,“总是会…,老是会….”.

例:He

will

ask

silly

questions.

Sometimes

the

cat

will

lie

there

all

afternoon.

Oil

and

water

will

not

mix.

This

machine

will

not

work.

would

1.

构成过去将来时;

2.

will的第2、3用法的过去形式;

3.

表虚拟语气。

need

情态动词用法:

1.

用于否定和疑问句。

例:Need

I

tell

her?

You

needn’t

do

it.

2.

用于I

don’t

think这类的否定结构后面。

例:I

don’t

suppose

I

need

wear

a

coat.

I

asked

him

whether

he

need

go.

行为动词用法:

1.

need

+名词/代词;

2.

need

to

do

sth.

3.

need

sb.

to

do

sth.

4.

sth.

need

doing

=

sth.

need

to

be

done;

dare

情态动词用法:用于否定句、疑问句或条件句:

例:No

one

dared

speak

of

it.

How

dare

you

ask

me

such

a

question?

I

wonder

if

she

dared

come

home.

行为动词用法:

1.

dare

(to)

do

sth.

(否定和疑问句可省略to)

例:He

dares

to

accuse

me

of

dishonesty.

He

does

not

dare

(to)

answer.

2.

dare

sth.

敢于面对….,敢于尝试….

例:He

will

dare

any

danger.

3.

dare

sb.

to

do

sth.

激某人做某事

例:He

dared

me

to

jump

over

the

stream.

Exercise

1.

The

plant

is

dead.

I

_____

it

more

water.

A.

will

giveB.

would

have

given

C.

must

giveD.

should

have

given

2.

How

did

you

go

to

the

concert

yesterday

evening?

--

I

went

on

foot,but

I

____

by

bus.

A.

might

goB.

should

be

gone

C.

could

have

goneD.

ought

have

gone

3.

Very

loud

noises

____

make

people

ill,hurt

their

ears,or

even

drive

them

mad.

A.

mustB.

needC.

canD.

should

4.

--

____

I

get

you

some

food?

--

No,thanks.

A.

Might

B.

ShallC.

WillD.

Ought

5.

He

had

sent

me

the

money

he

owed

me,so

I

____

to

him

for

it.

A.

needn’t

have

writtenB.

didn’t

need

to

write

C.

needn’t

to

writeD.

needn’t

wrote

6.

Teachers

and

pupils

___

look

coldly

at

you

for

a

day

or

two,but

there

are

friendly

feelings

in

their

hearts.

A.

mustB.

canC.

mayD.

should

7.

He

has

promised

his

daughter

that

she

___

have

a

new

bike.

A.

shallB.

wouldC.

mightD.

need

8.

You

must

have

seen

him

yesterday,____?

A.

don’t

youB.

didn’t

you

C.

mustn’t

youD.

haven’t

you

9.

You

must

have

seen

a

lot

of

films,____?

A.

don’t

youB.

did

you

C.

mustn’t

youD.

haven’t

you

10.

Why

____

you

always

interrupt

me?

A.

canB.

have

toC.

mustD.

will

11.

He

___

get

up

early

when

he

lived

in

the

country.

A.

wouldB.

couldC.

shouldD.

might

12.

I

have

told

him

many

times

but

he

___

listen

to

my

advice.

A.

shall

notB.

won’tC.

couldD.

was

able

to

7

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