4Module 6

Modal Verbs

Verbos Modais

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Key Concept

Express ability, obligation, permission, and necessity using modal verb constructions: poder, dever, ter de, precisar, conseguir, saber, and deixar.

Modal verbs are followed by the infinitive and express shades of meaning around ability, obligation, permission, and necessity. The distinction between poder (permission/possibility), saber (learned skill), and conseguir (manage to achieve) has no equivalent in Cantonese.

Key Phrase — Try saying it!

Posso falar português.

1

PODER

can / may / to be allowed to

Structure: poder + infinitive

PronounFormMeaning
EupossoI can
Tupodesyou can
Ele/Elapodehe/she can
Nóspodemoswe can
Eles/Elaspodemthey can

Posso sair mais cedo?

May I leave early?

Não posso beber álcool.

I can't drink alcohol.

2

DEVER

should / ought to / must

Structure: dever + infinitive

PronounFormMeaning
EudevoI should
Tudevesyou should
Ele/Eladevehe/she should
Nósdevemoswe should
Eles/Elasdevemthey should

Deves estudar mais.

You should study more.

Devo chegar às nove.

I must arrive at nine.

3

TER DE / TER QUE

have to / must

Structure: ter de/que + infinitive

PronounFormMeaning
Eutenho deI have to
Tutens deyou have to
Ele/Elatem dehe/she has to
Nóstemos dewe have to
Eles/Elastêm dethey have to

Tenho de trabalhar amanhã.

I have to work tomorrow.

Tens que ir agora.

You have to go now.

4

CONSEGUIR

to manage to / succeed in

Structure: conseguir + infinitive

PronounFormMeaning
EuconsigoI manage to
Tuconseguesyou manage to
Ele/Elaconseguehe/she manages to
Nósconseguimoswe manage to
Eles/Elasconseguemthey manage to

Não consigo abrir esta porta.

I can't manage to open this door.

Consegues falar devagar?

Can you manage to speak slowly?

5

SABER

to know how to (learned skill)

Structure: saber + infinitive

PronounFormMeaning
EuseiI know how
Tusabesyou know how
Ele/Elasabehe/she knows how
Nóssabemoswe know how
Eles/Elassabemthey know how

Sei conduzir.

I know how to drive.

Sabes cozinhar?

Do you know how to cook?

HÁ (Haver — Impersonal)

The impersonal verb HÁ (from HAVER) means 'there is/there are'. It is invariable.

Há uma farmácia perto daqui?

Is there a pharmacy nearby?

Há muitos turistas em Lisboa no verão.

There are many tourists in Lisbon in summer.

Não há leite no frigorífico.

There is no milk in the fridge.

Examples

I can speak Portuguese.
I want to learn more.
You should study every day.
I have to go to the doctor.
ajuda.
I need help.
nadar.
I know how to swim.
I can't manage to sleep.
Deixa-me
Let me explain.
Can we leave now?
We should arrive early.
trabalhos
You have to do the homework.
She knows how to speak three languages.
projeto
We managed to finish the project on time.
I need to sleep more.
festa.
I can't go to the party.
muitos restaurantes
There are many restaurants on this street.
Havia filas enormes
There were enormous queues at the airport.
Houve acidente estrada.
There was an accident on the road.
problema.
There's no problem.
Precisamos
We need more time.
nadar?
Do they know how to swim?
Can you understand what I'm saying?
Should I pay now?
We have to leave before six.
Can I help?
caminho.
I don't know the way.
chaves.
She can't find the keys.
respeitar
We should respect others.
I need to buy bread.
patrão deixa
The boss doesn't let me leave.
Verbos Modais — Summary of Modal VerbsModalMeaningEu formStructurePodercan / maypossopoder + infinitiveDevershould / mustdevodever + infinitiveTer dehave totenho deter de + infinitiveConseguirmanage toconsigoconseguir + infinitiveQuererto wantqueroquerer + infinitiveSaberknow howseisaber + infinitiveKey:Modal + infinitivePosso falar?(Can I speak?)|Devo estudar.(I should study.)
Practice Time