Eu vou conectar o cabo ao computador agora.

Vou conectar is a very common way to express the near future in Brazilian Portuguese.

• vou = I go / I am going
• conectar = to connect

Together, vou conectar literally looks like I am going to connect, and that is exactly how it functions.

This structure is often more common in everyday speech than the simple future form:

• Eu vou conectar o cabo... = natural, common
• Eu conectarei o cabo... = correct, but more formal or less common in casual conversation

So if you want to sound natural in spoken Brazilian Portuguese, vou + infinitive is a great pattern to learn.

Yes, you can often omit Eu.

Portuguese is a language where the verb form often shows who the subject is. Since vou clearly means I am going / I will, the subject is already understood.

So both are correct:

• Eu vou conectar o cabo ao computador agora.
• Vou conectar o cabo ao computador agora.

Including Eu can add emphasis, clarity, or contrast, especially if you want to stress I.

For example:

• Eu vou conectar o cabo, não ele. = I’m going to connect the cable, not him.

In Portuguese, articles like o / a / os / as are used more often than in English.

Here:

• o = the
• cabo = cable

So o cabo = the cable

In English, you might sometimes omit the, depending on context, but Portuguese usually prefers the article when talking about a specific object.

That is why o cabo sounds natural here.

Ao is a contraction:

• a = to
• o = the
• a + o = ao

So:

• ao computador = to the computer

Portuguese normally contracts these two words.

Other common contractions are:

• a + a = à
• de + o = do
• de + a = da
• em + o = no
• em + a = na

So ao computador is the normal form, not a o computador.

This depends on the verb and the meaning you want.

With conectar, standard Portuguese often uses a:

• conectar algo a algo = to connect something to something

So:

• conectar o cabo ao computador = connect the cable to the computer

In everyday Brazilian speech, you may also hear:

• conectar o cabo no computador

This is very common conversationally, even though some teachers or grammar references may prefer ao computador in more formal or careful language.

So a useful rule is:

• ao computador = more standard/formal
• no computador = common in everyday speech

Both can work, but they are not always used in exactly the same way.

• conectar = to connect
• ligar can mean to connect, to turn on, or to call, depending on context

For cables and devices, Brazilian Portuguese very often uses ligar too:

• Vou ligar o cabo ao computador.
• Vou conectar o cabo ao computador.

Both are understandable. Conectar feels a bit more technical or closer to the English verb connect, while ligar is extremely common in daily language.

Just be aware that ligar is a more flexible verb, so context matters.

Yes, agora can move around.

Your sentence has:

• Eu vou conectar o cabo ao computador agora.

This is completely natural. But you can also say:

• Agora eu vou conectar o cabo ao computador.
• Eu agora vou conectar o cabo ao computador.

The most natural positions are usually:

• at the beginning for emphasis: Agora...
• at the end in a neutral statement: ...agora

So the original sentence sounds very normal and conversational.

It is the verb ir in the present tense + an infinitive.

Breakdown:

• eu vou = I go / I am going
• conectar = infinitive, to connect

This structure is extremely important in Portuguese. You can use it with many verbs:

• Vou comer. = I’m going to eat.
• Vou estudar. = I’m going to study.
• Vou sair. = I’m going to leave.

So vou conectar follows a very common pattern: subject + ir (present) + infinitive

A rough pronunciation guide for Brazilian Portuguese is:

eh-o voh co-nehk-TAR oo KAH-boh ow kom-poo-ta-DOR ah-GOH-rah

A few helpful notes:

• Eu often sounds like eh-o said quickly together
• vou rhymes roughly with English go (but not exactly)
• conectar has stress on the last syllable: -tar
• cabo has stress on ca
• computador has stress on the last syllable: -dor
• agora has stress on go

Also, in natural Brazilian speech, words link together smoothly, so it may sound more fluid than the written form suggests.

Yes, that is grammatically correct.

• Eu irei conectar... = I will connect...
• Eu vou conectar... = I’m going to connect...

In Brazilian Portuguese, vou + infinitive is usually more common and more natural in everyday speech.

So:

• Eu vou conectar o cabo ao computador agora. = most natural in casual use
• Eu irei conectar o cabo ao computador agora. = correct, but less common in normal conversation

Usually, no—not in a natural sentence like this.

Brazilian Portuguese often uses the definite article before nouns when referring to a specific object:

• ao computador = to the computer

If you remove the article and say a computador, that is ungrammatical, because computador is masculine and needs o after the preposition a, which becomes ao.

So the correct forms are:

• ao computador
• not a computador

Both can relate to wires or cables, but they are not always identical.

• cabo usually means cable
• fio often means wire, thread, or a thinner strand

For something like a USB cable, HDMI cable, or charging cable, cabo is usually the best word.

Examples:

• cabo USB
• cabo de rede
• cabo HDMI

If you are talking about electrical wiring in a more general or thinner sense, fio may appear.

So in this sentence, cabo is the expected choice.

Not completely. Portuguese allows some flexibility, although some orders sound more natural than others.

Original:

• Eu vou conectar o cabo ao computador agora.

Other possible versions:

• Agora eu vou conectar o cabo ao computador.
• Eu vou conectar agora o cabo ao computador.
  This is possible, but less natural in many situations.
• Vou conectar o cabo ao computador agora.

The original order is very natural because it follows a clear pattern:

subject + future expression + object + destination + time

So while the word order is not absolutely fixed, the original sentence is a strong, natural model to follow.