Bạn có thể cho tôi mượn cái ô không?

A natural breakdown is:

• Bạn = you
• có thể = can / be able to
• cho = give / let
• tôi = me / I
• mượn = borrow
• cái = a classifier for many concrete objects
• ô = umbrella
• không? = a question particle here, making the sentence a yes/no question

So the structure is literally something like:

You can let me borrow the umbrella or not?

But in natural English, it means:

Can you lend me the umbrella?

Vietnamese often expresses this idea with the pattern:

cho + someone + mượn

Literally, this is like give someone to borrow, but the natural meaning is lend someone something.

So:

• cho tôi mượn = lend me / let me borrow

This is very common and natural in Vietnamese. Even though English separates lend and borrow, Vietnamese often uses mượn together with cho to express the full idea from the lender’s side.

Có thể means can / be able to and makes the request sound like Can you... ?

So:

• Bạn cho tôi mượn cái ô không? = Will you lend me the umbrella? / Can you lend me the umbrella?
• Bạn có thể cho tôi mượn cái ô không? = slightly more like Could you lend me the umbrella?

It is not always required, but it often makes the request sound a little softer or more polite.

At the end of a sentence, không often turns it into a yes/no question.

So:

• Bạn có thể cho tôi mượn cái ô. = You can lend me the umbrella.
• Bạn có thể cho tôi mượn cái ô không? = Can you lend me the umbrella?

This final không is very common in spoken and written Vietnamese for polite yes/no questions.

Cái is a classifier. Vietnamese often uses classifiers before nouns, especially when referring to a specific countable object.

So:

• cái ô = the umbrella / an umbrella

You will often hear classifiers with everyday objects. In this sentence, cái ô sounds natural and complete.

In casual speech, people sometimes drop classifiers in some contexts, but using cái here is standard and helpful for learners.

Yes. Ô can have more than one meaning depending on context.

Common meanings include:

• umbrella / parasol
• a square, box, or cell in things like tables, forms, or grids

In cái ô with this sentence, the intended meaning is clearly umbrella.

Context usually makes it obvious.

Not always. Vietnamese pronouns depend a lot on age, relationship, and social context.

Bạn is common when speaking to:

• a friend
• a classmate
• someone of roughly similar age
• someone when you want a neutral, fairly friendly tone

But in real life, Vietnamese often uses kinship-style pronouns instead, such as:

• anh = older brother / an older male you address respectfully
• chị = older sister / an older female you address respectfully
• em = younger person
• cô, chú, bác, etc. for other age and relationship situations

So if you are talking to an older woman, for example, Bạn có thể... may sound a little off. You might say:

• Chị có thể cho em mượn cái ô không?

The grammar stays the same, but the pronouns change.

Yes. Tôi is a neutral, polite way to say I / me, but it is not always the most natural choice in every relationship.

In Vietnamese, the speaker often changes their pronoun depending on who they are talking to. For example:

• to an older man: anh cho em mượn cái ô được không?
• to an older woman: chị cho em mượn cái ô được không?
• between close friends: cho mình mượn cái ô được không?

So tôi is correct and useful, but real conversations often use more relationship-based pronouns.

This sentence is polite and correct. But depending on the situation, many speakers might choose a softer version such as:

• Bạn cho tôi mượn cái ô được không?
• Bạn có thể cho tôi mượn cái ô được không?

được không often sounds slightly more natural and gentle in requests than final không by itself.

You could also add xin in more formal situations:

• Bạn có thể cho tôi xin mượn cái ô được không?

That sounds more deferential, though in everyday speech it may be more common just to use được không and appropriate pronouns.

The Vietnamese order is roughly:

You + can + let/give + me + borrow + umbrella + question particle

English would normally say:

Can you lend me the umbrella?

The biggest difference is that Vietnamese expresses the idea through cho tôi mượn rather than a single verb like lend.

So even if the word-for-word order feels unusual, the whole pattern is very normal in Vietnamese. It is best learned as a chunk:

cho ai mượn cái gì = lend someone something

A rough learner-friendly pronunciation guide is:

Ban koh teh chaw toy muhn kai oh khong?

A few important notes:

• bạn has a heavy falling tone and a final stop-like ending
• thể has a rising-broken tone
• mượn has a diphthong that may be difficult for English speakers
• ô has a long o sound with a level tone
• không has the kh sound, which is like a breathy k/h sound

If you are learning pronunciation, it is best to listen to native audio, because tones are crucial for being understood in Vietnamese.

Yes, in conversation Vietnamese often becomes shorter.

For example:

• Cho tôi mượn cái ô được không? = Can you lend me the umbrella?
• Cho mượn cái ô được không? = Can I borrow the umbrella? / Can you lend me the umbrella? depending on context

If the situation is clear, speakers may omit pronouns. But for learners, the full sentence Bạn có thể cho tôi mượn cái ô không? is a good model because it is complete and easy to understand.