Vou ter que usar sabonete agora e depois pegar uma toalha limpa.

Ter que means to have to.

• tenho que = I have to
• vou ter que = I’m going to have to

So vou ter que usar sabonete expresses a future obligation, usually something the speaker is about to do or expects to do soon.

In Brazilian Portuguese, ir + infinitive is a very common way to talk about the near future:

• vou usar = I’m going to use
• vou pegar = I’m going to get/take

Here, that future structure is combined with ter que:

• vou ter que = I’m going to have to

You could also say terei que, but that sounds more formal and less common in everyday speech.

In normal usage, you need it.

• ter que + infinitive = to have to do something

Examples:

• Tenho que sair. = I have to leave.
• Vou ter que esperar. = I’m going to have to wait.

In Brazil, ter que is extremely common in speech. You may also see ter de, which means basically the same thing:

• Tenho de sair.
• Vou ter de esperar.

Both are correct, but ter que is usually more common and conversational in Brazilian Portuguese.

Portuguese often omits the subject pronoun when the verb already makes the subject clear.

• Vou ter que... already shows it is I, because vou is the eu form of ir.

So:

• Vou ter que usar sabonete... and
• Eu vou ter que usar sabonete...

both work.

Adding eu is possible, but it usually adds emphasis, contrast, or clarity:

• Eu vou ter que fazer isso, não você. = I’m going to have to do this, not you.

Without special emphasis, leaving out eu sounds very natural.

Because sabonete here is being used in a general sense: soap, not a specific bar of soap.

So:

• usar sabonete = use soap
• usar o sabonete = use the soap (a specific one)
• usar um sabonete = use a soap / a bar of soap

Portuguese often leaves out the article when talking about something in a general or non-specific way, especially with substances or everyday items used generically.

So in this sentence, usar sabonete sounds like use soap in general, which is very natural.

This is a very common point of confusion.

In Brazilian Portuguese:

• sabonete usually means toilet soap, especially a bar of soap used on the body
• sabão is a broader word for soap, often laundry soap or cleaning soap

So if you are talking about washing your body, sabonete is the natural choice.

Examples:

• Preciso comprar sabonete. = I need to buy soap for bathing.
• Preciso comprar sabão em pó. = I need to buy laundry detergent.
• sabão can also appear in expressions like sabão líquido or sabão de coco

In this sentence, sabonete is used because the context is personal washing.

Yes, literally pegar can mean to grab, to catch, or to take hold of, but in everyday Brazilian Portuguese it is very often used more broadly to mean:

• get
• take
• pick up

So:

• pegar uma toalha = get a towel / take a towel / pick up a towel

This is very natural in Brazilian Portuguese.

Other possible verbs might be:

• buscar uma toalha = go get a towel
• apanhar uma toalha = take/pick up a towel, but less common in many parts of Brazil
• usar uma toalha = use a towel

But pegar uma toalha is very idiomatic and everyday.

Because in Portuguese, adjectives usually come after the noun.

So:

• uma toalha limpa = a clean towel
• um carro novo = a new car
• uma casa grande = a big house

That is the normal pattern.

Sometimes adjectives can come before the noun, but that often changes the tone, emphasis, or meaning. For a straightforward description, toalha limpa is the standard order.

So uma toalha limpa is simply the normal way to say a clean towel.

Yes. That would also be correct.

The original sentence avoids repeating vou ter que or vou, because Portuguese often leaves out repeated words when they are understood.

Original:

• Vou ter que usar sabonete agora e depois pegar uma toalha limpa.

Expanded version:

• Vou ter que usar sabonete agora e depois vou pegar uma toalha limpa.

Both are natural. The shorter version is just more compact.

This kind of omission is very common when two actions are linked:

• Vou sair e comprar pão. = I’m going to go out and buy bread.
• Preciso estudar e depois dormir. = I need to study and then sleep.

Good question. Portuguese can express this idea in different ways.

The sentence says:

• usar sabonete = use soap

That is perfectly natural if the focus is simply on the action involving soap. It does not explicitly say on myself, but that is understood from the situation.

If you wanted to be more explicit about washing yourself, you could say:

• Vou ter que me lavar com sabonete. = I’m going to have to wash myself with soap.
• Vou ter que me ensaboar. = I’m going to have to soap myself up.

So the original sentence is not wrong or incomplete. It is just using a simpler, more direct expression.

Yes, very natural.

• agora = now
• depois = later / afterwards / then

So the sentence lays out the order clearly:

1. usar sabonete agora
2. depois pegar uma toalha limpa

This is a common way to connect actions in Portuguese.

You could also hear:

• agora e em seguida... = now and then / next
• agora e depois disso... = now and after that

But agora e depois is simple and everyday.

Yes, toalha is a word many learners stumble over.

A simple approximation is:

• to-AH-lya

The tricky part is lh, which in Brazilian Portuguese usually sounds like the lli in million for many English speakers, though the exact sound is different.

So:

• toalha ≈ to-AH-lya

Also note that the word has three syllabic parts:

• to-a-lha

Other examples with lh:

• filho = son
• mulher does not have lh, so it is different
• trabalho = work

If you are aiming for a Brazilian pronunciation, practicing lh is very useful because it appears in many common words.

Yes, it is natural and understandable in Brazilian Portuguese.

A native speaker might also say it in slightly different ways depending on context, for example:

• Vou ter que usar sabonete agora e depois pegar uma toalha limpa.
• Vou ter que me lavar com sabonete agora e depois pegar uma toalha limpa.
• Agora vou ter que usar sabonete e depois pegar uma toalha limpa.

The original sentence sounds fine, especially in casual speech.

The main thing to notice is that Brazilian Portuguese often prefers:

• vou + infinitive for future
• ter que for obligation
• simple everyday verbs like pegar

So overall, the sentence is very natural.