Tu veux boire quelque chose avant de partir ?

Both are possible, but they are used differently.

• Tu veux boire quelque chose ? is the normal spoken way to ask a question in everyday French.
• Veux-tu boire quelque chose ? uses inversion, which is more formal or more written.
• You could also say Est-ce que tu veux boire quelque chose ?, which is another very common way to ask the same question.

So this sentence sounds natural and conversational.

Yes. Tu is the informal singular word for you.

French has two main ways to say you:

• tu = one person you know well, a friend, a child, a family member, someone your age in an informal setting
• vous = one person in a formal situation, or more than one person

So if you wanted a more formal version, you could say:

• Vous voulez boire quelque chose avant de partir ?

Because the subject is tu.

The verb vouloir changes depending on the subject:

• je veux
• tu veux
• il / elle / on veut
• nous voulons
• vous voulez
• ils / elles veulent

So tu veux is the correct form for you want.

Because it comes after the conjugated verb veux.

In French, after a verb like vouloir (to want), the next verb usually stays in the infinitive:

• Tu veux boire = You want to drink
• Je veux manger = I want to eat
• Nous voulons partir = We want to leave

So veux is conjugated, and boire stays as the infinitive.

Because French does not always use a separate word matching English to.

In English, we say:

• want to drink

In French, that idea is expressed as:

• vouloir + infinitive

So:

• Tu veux boire not
• Tu veux à boire in this structure

Be careful: à boire can exist in other expressions, such as quelque chose à boire = something to drink, but that is a different structure.

Quelque chose is a fixed expression meaning something.

Even though it refers to an unspecified thing, it stays singular:

• quelque chose = something

You do not normally make it plural as quelques choses in this meaning.

In this sentence, boire quelque chose means to drink something. It does not specify what: water, juice, coffee, etc.

Because the speaker is offering or asking about some unspecified thing in a neutral, natural way.

• quelque chose = something
• rien = nothing
• quoi que ce soit = anything at all, often used in negative or more emphatic contexts

So:

• Tu veux boire quelque chose ? = Do you want to drink something?
• Tu ne veux rien boire ? = You don't want to drink anything?
• Tu veux boire quoi que ce soit ? is much less natural here

In an offer like this, quelque chose is the most idiomatic choice.

Because after avant followed by a verb in the infinitive, French uses de:

• avant de partir = before leaving
• avant de manger = before eating
• avant de dormir = before sleeping

So avant + de + infinitive is the normal pattern.

French can use either structure, but they are used in different situations.

1. avant de + infinitive

Used when the subject is understood and does not need to be repeated.

• Tu veux boire quelque chose avant de partir ?

This is compact and very natural.

2. avant que + subjunctive

Used when you want a full clause with an explicit subject.

• Tu veux boire quelque chose avant que tu partes ?

This is grammatically possible, but less natural here because the subject is already obvious.

So avant de partir is the simplest and most idiomatic version in this sentence.

Not exactly.

• partir means to leave / to depart
• aller means to go

In many situations, English may translate partir as go, but the French idea is specifically leaving.

So:

• avant de partir = before leaving

This focuses on the moment of departure, not just movement in general.

In English, yes, sometimes a natural translation might use anything, especially in a question:

• Do you want to drink something before leaving?
• Do you want anything to drink before leaving?

But the French sentence itself uses quelque chose, which literally matches something.

If French wanted to say anything more directly, it would usually use a different structure.

A careful pronunciation would be roughly:

Tyuh vuh bwar kel-kuh shoz ah-vahn duh par-teer ?

A few useful notes:

• Tu sounds like tyu, with a French u sound that does not exist in English.
• veux sounds roughly like vuh
• boire sounds like bwar
• quelque chose sounds like kel-kuh shoz
• avant has a nasal vowel: ah-vahn
• partir sounds like par-teer

In fast everyday speech, some sounds get reduced a little, but the overall rhythm stays the same.

Yes, very often.

Depending on context and tone, Tu veux boire quelque chose avant de partir ? can mean:

• a genuine question
• a polite offer
• a caring suggestion

For example, a host might say it before a guest leaves. In that case, it often feels like:

• Would you like something to drink before you go?

So even though the structure is a question, the function can be closer to an offer.