12

Modal verbs

Modal verbs occur before a verb and express the meanings of possibility, ability, permission, obligation, and prohibition.

12.1Expressing possibility: / huì

!"#!"#

Míngtipn huì xià yo.

It may rain tomorrow.

!"#$%&$'()!"#$%&$'()

Wn xrwàng wnmen jipnglái huì ynu jrhuì zài jiàn.

I hope that in the future we will have the chance to meet again.

Notice that this meaning of / huì also implies future time.

Í32.3

12.2Expressing ability

12.2.1/ huì

/ huì expresses innate ability or ability based on learning and knowledge. The negative is / bù huì.

!"#!"#

Tp huì shus Zhsngwén.

She can speak Chinese.

!"#$%!"#$%

Wn bù huì xil nàge zì.

I can’t write that character.

Í48.1, 50.1

69

MODAL VERBS

12.3

12.2.2néng

néng expresses physical ability or the unobstructed ability to perform some action.bù néng is used when performance is obstructed.

!"#$%&'()!"#$%&'()

Nm néng bù néng bk zhuszi bpn dào nàbipn qù?

Can you move this table over there?

(lit: Can you take this table and move it over there?)

!"#$%&'(!"#$%&'(

Tp de skngzi téng, bù néng shus huà.

His throat is sore. He can’t speak.

!"#$%"!"#$%"

Xiànzài zài xit lù. Bù néng guò.

The road is being repaired now. You can’t cross it.

Í48.1.3

12.2.3kéyM

kéym is sometimes used to express knowledge-based or physical ability. The negative is bù kéym.

! " #$%&! " #$%&

Nm kéym bù kéym xil nm de míngzi?

Can you write your name?

!"#$%&'(&)*+,-.!"#$%&'(&)*+,-.

Tp ymjing bpshí suì le, klshì hái kéym qí zìxíngchq.

She is already eighty years old but can still ride a bicycle.

12.3Expressing permission: kéyM

The primary use of kéym is to express permission to perform an action. The negative is bù kéym.

!"#$%&'()!"#$%&'()

Mpma shus wn kéym gqn nm qù kàn diànymng.

Mom said I can go with you to see a movie.

!"#$%&'(#!"#$%&'(#

Nm cái shíliù suì. Bù kéym hq jio.

You are only 16 years old. You cannot drink alcohol.

Í47.2

70

Expressing obligations

12.4

12.4Expressing obligations

Obligations may be strong (must) or weak (should). In Mandarin, as in English, negation often changes the force of the words used to express obligation. This section presents a brief overview of the use of modal verbs to express obligations. For more on expressing obligations, see Chapter 46.

12.4.1Strong obligation: must, have to

	The Mandarin words used to indicate strong obligation (must) in Mandarin are /
	bìxt, bìdli, and dli. bìdli and / bìxt are more formal
	than dliK / bìxt is used in legal pronouncements and in other formal
	spoken and written contexts.
	/ bìxT
	!"#$%&'
	!"#$%&'
	Htn qián bìxt zuò jiànkpng jiknchá.
	Before you get married you must have a physical exam.
	bìdLi
	!"#$%&'(
	!"#$%&'(
	Yrshqng shus wn mlitipn bìdli chr yào.
	The doctor says I must take medicine every day.
	dLi
	!"#$%&
	!"#$%&
	Zhù yuàn ymqián dli xipn fù qián.
	Before being admitted to the hospital you must first pay a fee.
Í	46.1.1
12.4.2	‘Weak obligations’ – Socal and moral obligation: should, ought to
	The modal verbs used to express weak obligations (should) associated with social or
	moral responsibilities include / yrnggpi, / gpi, / yrngdpng, and
	/ dpng. / yrngdpng is more formal than / yrnggpi and can be
	used in formal texts including legal documents. / gpi is used in informal speech.
	/ yrng is used in formal texts including legal documents. For illustrations of legal
	uses, see
Í	46.1.2
	/ yRnggPi
	!"#$ %&
	!"#$ %&
	Xuésheng yrnggpi rènzhqn de xuéxí.
	Students should study conscientiously.

71

MODAL VERBS

12.5

/ = gPi

!"#$%!"#$%

Nm gpi zko yrdikn shuì jiào.

You should go to sleep a little earlier.

/ yRngdPng

!"#$%&!"#$%&

Háizi yrngdpng ztnjìng fùmo.

Children should respect their parents.

Í46.1.2

12.4.3Using modal verbs to express negative obligations: need not, do not have to

bù bì expresses negative obligations using the syllable bì that occurs in the strong obligation modal verbs bìdli and / bìxt. For additional ways to express negative obligations, see 46.1.3.

!"#$%&'()*+!"#$%&'()*+

Nm qù kàn péngyou de shíhou bù bì sòng lmwù.

When you visit friends it is not necessary to bring a gift.

12.5Expressing prohibitions

The following phrases involving modal verbs are used to express prohibitions. For additional phrases used in expressing prohibitions, see

Í46.2

bù kéyM ‘not allowed to’

!"#$%&'(!"#$%&'(

Kkoshì de shíhou bù kéym shus huà.

During the test you cannot speak.

bù néng ‘cannot’

!"#$%&'()*+'!"#$%&'()*+'

Zhè xiq sht dsu shì nèi bù kpnwù. Nm bù néng jiè.

Those books are all restricted publications. You can’t borrow them.

!"#$%&'()!"#$%&'()

Zhè jiàn shìqing, wn bù néng gàosu nm.

(As for) this matter, I can’t tell you about it.

72

Grammatical properties of modal verbs

12.6

/ bù xO ‘must not, not allowed’

/ bù xo is used in formal speech and writing.

!"#$%&'()*!"#$%&'()*

Túshtgukn lm bù xo chsu ypn, chr dsngxi.

You are not allowed to smoke or eat (things) in the library.

Í46.2.1

12.6Grammatical properties of modal verbs

12.6.1Negation of modal verbs

Modal verbs are always negated with bù and never with méi.

Say this	Not this
!"#$	G !"#$
!"#$	!"#$
Tp bù huì shus Zhsngwén.	Tp méi huì shus Zhsngwén.
He can’t speak Chinese.
!"#$	G !"#$
!"#$	!"#$
Nm bù yrnggpi chsu ypn.	Nm méi yrnggpi chsu ypn.
You shouldn’t smoke.

Modal verbs indicating weak obligation, / huì, kéym, néng, / yrnggpi, and / yrngdpng, have the properties of stative verbs.

Í11

12.6.2Questions with modal verbs

Modal verbs can occur as the short, one word answers to yes–no questions.

Question	Response
!"#$
!"#$
Nm huì bù huì shus Zhsngwén?	Huì.
Can you speak Chinese?	(I) can.
! "#$%&
! "#$%&
Wn kéym bù kéym jiè nm de chq?	Kéym.
Can I borrow your car?	(You) can.
!"#$
!"#$
Nm néng bù néng bpngzhù wn?	Néng.
Can you help me?	(I) can.

73

		MODAL VERBS			12.6
			Question	Response
		! "#$%
		! "#$%
			Wnmen gpi bù gpi jipo zuòyè?	Gpi.
			Should we hand in our homework?	(We) should.
		They can serve as the verb in verb-not-verb questions:
		!"#$
		!"#$
			Nm huì bù huì shus Zhsngwén?
			Can you speak Chinese?
		!"#$
		!"#$
			Nm néng bù néng bpngzhù wn?
			Can you help me?
		! "#$%&'(
		! "#$%&'(
			Nm kéym bù kéym zài túshtgukn shus huà?
			Can you speak in the library? (Are you allowed to . . . )
		! "#$%&
		! "#$%&
			Wnmen gpi bù gpi qmng tp chr fàn?
			Should we invite him to dinner?
Í		24
12.6.3		Modification by intensifiers
		/ huì and néng can be modified by intensifiers.
		!"#$%
		!"#$%
			Nàge rén hln huì tiào wo.
			That person can really dance.
		!"#$%
		!"#$%
			Zhsngguórén hln néng chr ko.
			Chinese people can endure a lot of hardship.
		For a complete list of intensifiers, see 10.3.
Í		10.3, 11.2
12.6.4		Modal verbs and expressions that indicate change over time
		/ huì, néng, and kéym can be used in the structures yuè lái yuè
		and verb verb yuè verb yuè verb to indicate change over time.

74

Grammatical properties of modal verbs

12.6

!"#$!"#$

Tp yuè lái yuè huì shus huà.

He is becoming more and more elegant (diplomatic) in his speech.

!"#$%&'()*!"#$%&'()*

Tp yuè lái yuè néng shìyìng Yrngguó de shqnghuó le.

Little by little he is getting used to English life.

!"!#$%&'()*+,!"!#$%&'()*+,

Zhsngguórén yuè lái yuè kéym ynu tán huà de zìyóu le.

Little by little, Chinese people are able to have freedom of speech.

Í34.3

12.6.5Modal verbs and adverbs

The modal verbs that indicate strong obligation, / bìxt, bìdli, dli, are similar to adverbs.

They cannot serve as the verb in verb-not-verb questions:

Say this	Not this
!"#$%&	G ! "#$%&
!"#$%&	! "#$%&
Nm bìxt mkshàng huí jip ma?	Nm bìxt bù bìxt mkshàng huí jip?
Do you have to go right home?
!"#$%&'	G ! "#$%&'
!"#$%&'	! "#$%&'
Wnmen dli zài zhèr zhù cè ma?	Wnmen dli bù dli zài zhèr zhù cè?
Do we have to register here?

The modal dli cannot be used as the one-word answer to yes–no questions:

Question	Respond with this	Do not respond with this
!"#$	!"#	G
!"#$	!"#
Jrntipn dli zhù cè ma?	Jrntipn dli zhù cè.	Dli
Do we have to register	We have to register
today?	today.
	or
	Duì.
	Correct.

75