Ainda que o Pedro resmungue quando está com sono, a Ana sabe apoiá-lo sem o criticar.

In European Portuguese, it is very common to use the definite article before a person’s first name:

• o Pedro
• a Ana

This does not usually mean the Pedro or the Ana in English. It is just a normal feature of the language.

A few notes:

• It is especially common in Portugal.
• In very formal contexts, or in some fixed expressions, the article may be omitted.
• In Brazilian Portuguese, usage is less consistent and depends more on region and style.

So here, o Pedro and a Ana are completely natural European Portuguese.

Ainda que is a conjunction that introduces a concessive clause. In simple terms, it means something like:

• although
• even though
• even if

It sets up a contrast:

• one thing is true in the first clause,
• but the main clause is still true anyway.

So the structure is:

• Ainda que ... , ...
• Although/Even though ... , ...

A very important grammar point is that ainda que normally triggers the subjunctive.

Because ainda que normally requires the subjunctive, and resmungue is the present subjunctive form of resmungar.

Compare:

• Indicative: ele resmunga
• Present subjunctive: que ele resmungue

So after ainda que, Portuguese uses:

• Ainda que o Pedro resmungue ...

There is also a spelling reason for resmungue:

• the verb is resmungar
• in forms before e, Portuguese adds u after g to keep the hard g sound

So:

• resmangar → resmangue type pattern
• resmungar → resmungue

Without the u, the g before e would sound different.

Because this quando clause describes a real or habitual situation, not a hypothetical or future one.

Here the idea is basically:

• whenever he is sleepy
• when he is sleepy

That is why the indicative is used:

• quando está com sono

The subjunctive with quando is more typical when the action is future, unknown, or not yet realized:

• quando estiver com sono = when he is sleepy / when he gets sleepy in the future

So:

• quando está com sono = habitual/general fact
• quando estiver com sono = future or not-yet-realized situation

Yes. Estar com sono is a very common expression meaning to be sleepy or to feel sleepy.

Literally, it looks like to be with sleep, but that is just how Portuguese expresses the idea.

You will also hear:

• ter sono = to be sleepy / to feel sleepy

In European Portuguese, estar com sono is very natural in everyday speech.

In Portuguese, saber + infinitive often means to know how to do something.

So:

• A Ana sabe apoiá-lo

means something like:

• Ana knows how to support him
• Ana is able to support him in the right way

This is different from saber meaning factual knowledge, as in:

• Ela sabe a resposta = She knows the answer

With an infinitive, saber often has the idea of skill, know-how, or practical ability.

Because apoiar takes a direct object:

• apoiar alguém = to support someone

Since Pedro is the person directly affected by the verb, Portuguese uses the direct object pronoun:

• o = him

That is why the sentence has:

• apoiá-lo

and not apoiar-lhe.

As a rule of thumb:

• o / a / os / as = direct object pronouns
• lhe / lhes = indirect object pronouns, usually meaning to him/her/them

So here, Pedro is not to him; he is the direct object of support.

This is a standard spelling and pronunciation change with infinitives ending in -r followed by the direct object pronouns o, a, os, as.

What happens is:

1. the final -r of the infinitive drops
2. the pronoun changes to -lo, -la, -los, -las
3. an accent is added if needed to keep the stress

So:

• apoiar + o → apoiá-lo
• criticar + o → criticá-lo
• fazer + a → fazê-la

So apoiá-lo is the correct combined form.

This is about clitic placement, and it is a very important feature of European Portuguese.

In this sentence:

• sabe apoiá-lo
• sem o criticar

the pronoun appears in different places because the grammar around the infinitive is different.

1. Bare infinitive

With a simple infinitive on its own, attaching the pronoun to the end is normal:

• apoiá-lo

2. Infinitive after a preposition

After a preposition such as sem, European Portuguese very often places the pronoun before the infinitive:

• sem o criticar

So this contrast is very typical:

• apoiá-lo
• sem o criticar

This is one of the things that often feels especially European Portuguese to learners.

Yes. In many contexts, embora can replace ainda que:

• Embora o Pedro resmungue quando está com sono, a Ana sabe apoiá-lo sem o criticar.

Both are concessive and both normally take the subjunctive.

The difference is usually one of style and nuance rather than basic meaning:

• embora is very common
• ainda que can sound a little more formal, literary, or emphatic in some contexts

For a learner, it is useful to remember that both are normal, and both are followed by the subjunctive.

Because the sentence begins with a concessive subordinate clause:

• Ainda que o Pedro resmungue quando está com sono, ...

Portuguese normally separates this kind of introductory clause from the main clause with a comma.

So the structure is:

• subordinate clause first
• comma
• main clause

This is very similar to English punctuation in sentences like:

• Although Pedro grumbles when he’s sleepy, Ana knows how to support him...

So the comma here is natural and expected.