Eu comprei morangos, uvas e iogurte para o café da manhã de amanhã.

Yes. Portuguese often allows the subject pronoun to be omitted, because the verb form already shows who is doing the action.

So both of these are correct:

• Eu comprei morangos, uvas e iogurte...
• Comprei morangos, uvas e iogurte...

In Brazilian Portuguese, people often say eu anyway, especially for clarity, emphasis, or just because it sounds natural in conversation.

Comprei is the 1st person singular preterite of comprar.

• comprar = to buy
• comprei = I bought

The preterite is used for a completed action in the past. So this tells you the buying is finished.

Morangos and uvas are countable items, so the speaker is talking about more than one strawberry and more than one grape.

Iogurte is often treated more like a general food item or an uncounted quantity here, similar to how English might say I bought yogurt.

If you wanted to be more specific, you could say:

• um iogurte = one yogurt / one container of yogurt
• dois iogurtes = two yogurts

So the singular here is very natural.

Because the sentence is talking about those foods in a general, indefinite way.

Portuguese often leaves out the article in this kind of context:

• Comprei morangos = I bought strawberries
• Comprei uvas = I bought grapes
• Comprei iogurte = I bought yogurt

If you added articles, it would usually sound more specific:

• Comprei os morangos = I bought the strawberries
• Comprei as uvas = I bought the grapes
• Comprei o iogurte = I bought the yogurt

That usually suggests particular items already known in the conversation.

Para o means for the here.

It is made of:

• para = for
• o = the

So:

• para o café da manhã = for breakfast

The article o is there because café is a masculine singular noun in this expression.

In everyday Brazilian Portuguese, para o is often contracted in speech to pro:

• pro café da manhã

That is very common in conversation, but para o is the more neutral full form.

Yes, literally it does. But as a set expression, café da manhã means breakfast.

It breaks down like this:

• café = coffee
• da = de + a
• manhã = morning

So da manhã literally means of the morning.

This is just the normal Portuguese expression for breakfast in Brazil. You should learn it as a whole phrase.

Because here manhã is part of the noun phrase o café da manhã.

• da = de + a
• manhã is feminine, so it takes a

So:

• o café da manhã = breakfast

This is different from de manhã as an adverbial expression:

• de manhã = in the morning

Compare:

• Eu tomo café da manhã cedo. = I eat breakfast early.
• Eu estudo de manhã. = I study in the morning.

Yes. De amanhã modifies o café da manhã.

So the structure is:

• para o café da manhã de amanhã
• literally: for the breakfast of tomorrow
• natural English: for tomorrow’s breakfast

It does not mean that only the yogurt is for tomorrow, or that amanhã is floating separately. It is describing which breakfast: tomorrow’s breakfast.

Yes, but the meaning shifts a little.

• para o café da manhã de amanhã = for tomorrow’s breakfast
• para amanhã = for tomorrow

The second one is less specific. It just says the items are for tomorrow in general.

So if you want to emphasize the meal, de amanhã is the better choice.

Because Portuguese lists work much like English lists:

• morangos, uvas e iogurte

This is the normal pattern: commas between items, and e before the last one.

So it functions just like strawberries, grapes, and yogurt in English.

Yes, this word order is natural and standard:

• Eu comprei morangos, uvas e iogurte para o café da manhã de amanhã.

Portuguese is somewhat flexible, but this version sounds clear and idiomatic.

You could also hear:

• Comprei morangos, uvas e iogurte para o café da manhã de amanhã.

Dropping eu is very common.

But the original sentence is perfectly natural for Brazilian Portuguese.