Poder is the Brazilian Portuguese modal that English splits across three words: "can," "may," and "be able to." It expresses ability, permission, and possibility, and it is the engine of polite requests. It is also irregular, but only mildly — the irregularity is concentrated in one form.
The forms
| Subject | Form |
|---|---|
| eu | posso |
| você / ele / ela | pode |
| nós | podemos |
| vocês / eles / elas | podem |
The tu form is podes (regional). There is no vós in Brazilian Portuguese.
The only form to memorize as special is the eu form posso, with double s. The doubled ss is there to protect the /s/ sound: a single s between vowels (poso) would be pronounced like a /z/. Everywhere else, the stem vowel is o as in pode, podemos, podem, and the conjugation is unremarkable.
There is a deeper twist worth knowing early. Poder has a built-in vowel alternation that becomes obvious in other tenses: the preterite "I could / I managed to" is pude, with the stem vowel jumping to u, and the present subjunctive is possa. So while the present looks tame apart from posso, poder is one of the genuinely irregular verbs of Portuguese — the present is just the gentlest face of it. Knowing this now means the later forms will not feel like they came from nowhere.
Eu posso te ajudar com isso, sem problema.
I can help you with that, no problem.
A gente pode marcar para sexta?
Can we set it for Friday?
The three meanings
Ability — "can / be able to"
This is "can" in the sense of having the skill or capacity to do something.
Eu posso falar três línguas.
I can speak three languages.
Ela não pode correr hoje, machucou o joelho.
She can't run today, she hurt her knee.
A subtle point: for learned skills like swimming or driving, Brazilian Portuguese often prefers saber ("know how to") — eu sei nadar ("I can/know how to swim"). Poder leans toward being in a position to do something right now, while saber describes a permanent competence. See querer and saber.
Permission — "may / can"
Posso entrar?
May I come in?
Você não pode estacionar aqui, é proibido.
You can't park here, it's forbidden.
Posso? all by itself — "May I?" — is a complete, polite request you will use constantly: reaching for something, sitting down, taking a photo.
Possibility — "might / may"
With no human agent in mind, poder expresses that something might happen. This is where it maps onto English "may" or "might."
Pode chover mais tarde, leva o guarda-chuva.
It may rain later, take the umbrella.
Esse remédio pode dar sono.
This medicine may make you drowsy.
Polite requests: the everyday workhorse
The most common way to ask someone for help in Brazil is Você pode + infinitive? It is friendly, neutral, and used constantly.
Você pode me ajudar com as malas?
Can you help me with the bags?
Vocês podem falar mais baixo, por favor?
Can you all speak more quietly, please?
To make a request softer or more formal, Brazilians shift poder into the conditional: poderia ("could"). Você poderia me ajudar? is the polite, slightly more deferential version of você pode me ajudar? — see polite uses of the conditional.
"Pode ser" — the idiomatic yes
Here is a usage point that does not translate literally. Pode ser (literally "it can be") is one of the most common ways to say "OK," "sure," "that works for me," or "sounds good" in everyday Brazilian Portuguese. It signals easy agreement to a suggestion.
— Vamos no japonês hoje? — Pode ser!
'Want to go to the Japanese place today?' 'Sure!'
— Te ligo às oito. — Pode ser.
'I'll call you at eight.' 'That works.'
Do not parse pode ser word for word; treat it as a fixed expression meaning "OK / fine by me." It is informal-to-neutral and extremely frequent.
The same verb anchors a few other set phrases worth recognizing. Não pode ser! means "No way! / That can't be!" — disbelief, not permission. Pode deixar (literally "you can leave it") means "Don't worry, I've got it / leave it to me," a reassuring reply to a request. And pode crer ("you can believe it") is a casual "for sure / totally," common among younger speakers. None of these is literal; each is a chunk to memorize whole.
— Ele ganhou de novo? — Não pode ser!
'He won again?' 'No way!'
Common Mistakes
❌ Eu poso te ajudar.
Incorrect — the eu form has double s: posso.
✅ Eu posso te ajudar.
I can help you.
❌ Você pode a me ajudar?
Incorrect — no preposition between poder and the infinitive.
✅ Você pode me ajudar?
Can you help me?
❌ Eu posso nadar muito bem. (meaning the skill)
For a learned skill, Brazilians prefer saber: eu sei nadar.
✅ Eu sei nadar muito bem.
I can swim very well.
❌ Eles pode entrar agora.
Incorrect — the plural form is podem.
✅ Eles podem entrar agora.
They can come in now.
❌ — Vamos ao cinema? — Sim, é. (trying to mean 'sure')
Unnatural — the idiomatic agreement is pode ser.
✅ — Vamos ao cinema? — Pode ser.
'Want to go to the movies?' 'Sure.'
Key takeaways
- posso, pode, podemos, podem — only posso (double s) is special.
- Three meanings: ability, permission, possibility — English "can / may / might."
- Poder + infinitive with no preposition between.
- Você pode...? is the everyday request; poderia is the polite upgrade.
- Pode ser is a fixed expression meaning "OK / sure / that works."
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Start learning Portuguese→Related Topics
- Conditional for Polite RequestsA2 — Using gostaria, poderia, and saberia to make polite requests, and where the conditional sits on the Brazilian politeness ladder.
- Modal Verb Chains: Posso, Devo, Quero + InfinitivoA2 — How Brazilian Portuguese expresses can, should, want, need, and know-how with a modal verb plus an infinitive — including the 'de' that gostar uniquely requires.
- Ter que + Infinitivo / Dever + Infinitivo (Obligation)A2 — How Brazilian Portuguese expresses obligation and necessity — ter que, ter de, dever, and precisar plus an infinitive.
- Present Indicative of Querer and SaberA2 — How to conjugate querer (want) and saber (know) in the Brazilian Portuguese present, the bare quer form, and saber vs conhecer.
- Summary of Irregular Present Indicative FormsA2 — A consolidated reference table of the most common irregular Brazilian Portuguese verbs in the present indicative, grouped by the type of irregularity — suppletive stems, -g-/-ç- eu forms, -z- stems, and vowel-changing -ir verbs.