Pots ajudar la mare a obrir la porta?

Pots is the 2nd person singular present of poder, meaning can or are able to.

In this sentence, Pots ajudar la mare a obrir la porta? works like English Can you help mother open the door? or Could you help mother open the door?

So it is not only about ability. In a question, it is also a very natural way to make a request.

Catalan often drops the subject pronoun because the verb ending already shows who the subject is.

• pots = you can
• so tu is not necessary

That means Pots ajudar... is perfectly natural.

You could add tu for emphasis or contrast:

• Tu pots ajudar la mare... = You can help mother...
• This might suggest contrast with someone else.

Because only the first verb, pots, is conjugated.

After poder, Catalan uses an infinitive:

• pots ajudar = can help

Then after ajudar, Catalan uses a + infinitive:

• ajudar la mare a obrir = help mother to open

So the structure is:

• pots = conjugated verb
• ajudar = infinitive
• obrir = infinitive

This is very normal in Catalan.

Catalan often uses the definite article with close family members when it is clear whose family member is meant.

So la mare can mean:

• mother
• mum / mom
• your mother
• the mother

The exact meaning depends on context.

If you want to be more explicit, you can say:

• la teva mare = your mother
• la meva mare = my mother

But in everyday Catalan, just la mare is very common when the relationship is understood.

In standard Catalan, normally no here.

The noun la mare is the direct object of ajudar, so the usual form is:

• ajudar la mare

not

• ajudar a la mare

This is a common point for learners, especially if they know Spanish, because Spanish often uses a before a person. Standard Catalan usually does not do that in a sentence like this.

Because Catalan commonly uses this pattern:

• ajudar algú a + infinitive

So:

• ajudar la mare a obrir la porta
• literally, help mother to open the door

This a links ajudar with the action being helped.

It is similar to English to in help someone to open, although English often drops to and simply says help someone open.

Because Catalan normally uses an article with a specific noun here.

• la porta = the door
• una porta = a door

In this sentence, it is understood that we mean a particular door, so la porta is the natural choice.

Also, porta is a feminine singular noun, so it takes la.

It is informal singular because of pots.

Forms of poder here would be:

• pots = informal singular, you
• pot = formal singular, you
• podeu = informal plural, you all
• poden = formal plural, you

So the formal singular version would be:

• Pot ajudar la mare a obrir la porta?

If you want to sound especially polite, Catalan often adds em:

• Em pot ajudar...? = Can you help me...?

The structure is:

• Pots = can you
• ajudar la mare = help mother
• a obrir la porta = to open the door

So the overall pattern is:

• Can you + help + person + to + verb + object

This is actually quite close to English.

A very literal breakdown would be:

• Pots = can you
• ajudar = help
• la mare = the mother / mother
• a obrir = to open
• la porta = the door

A rough English-friendly pronunciation, in a Central Catalan accent, is:

pots ah-zhoo-DHAR luh MA-ruh uh oo-BREER luh POR-tuh

A few useful notes:

• pots ends with a clear ts
• ajudar is stressed on the last syllable: ajuDAR
• mare is stressed on the first syllable: MAre
• obrir is stressed on the last syllable: oBRIR
• porta is stressed on the first syllable: PORta

Pronunciation varies by dialect, but that stress pattern will help a lot.