Tôi sẽ mua hoa làm quà cho mẹ.

Sẽ marks the action as happening in the future. In Tôi sẽ mua hoa làm quà cho mẹ, it means will or am going to.

So:

• Tôi mua hoa = I buy / I am buying flowers
• Tôi sẽ mua hoa = I will buy flowers

Vietnamese does not change the verb itself for tense, so words like sẽ help show time.

Vietnamese verbs do not conjugate the way English verbs do. The basic order is usually:

subject + time/aspect marker + verb + object

So here:

• Tôi = I
• sẽ = future marker
• mua = buy
• hoa = flowers

That gives:

Tôi sẽ mua hoa = I will buy flowers

Unlike English, mua stays the same no matter who is doing the action.

In this sentence, làm quà means as a gift or more literally to serve as a gift.

So:

• hoa làm quà = flowers to be used as a gift / flowers as a gift

This is a very natural Vietnamese way to express purpose. The idea is that the flowers are being bought in order to give them as a present.

Yes, it is the same word làm, but here it has a different function from the most basic meaning to do / to make.

In làm quà, làm has the sense of to act as, to be used as, or to serve as.

Examples:

• lấy tiền làm vốn = use money as capital
• mua bánh làm quà = buy cakes as a gift
• dùng khăn làm gối = use a towel as a pillow

So in this sentence, làm quà is not saying the speaker is making a gift; it means the flowers will function as the gift.

Cho mẹ means for mom or for mother.

• cho = for / to
• mẹ = mother / mom

In this sentence, cho mẹ tells us who the gift is intended for.

So the full idea is:

I will buy flowers as a gift for my mother.

Yes, mẹ alone is often enough when the possessor is obvious from context.

In Tôi sẽ mua hoa làm quà cho mẹ, most listeners naturally understand mẹ as my mother, because the subject is Tôi and the speaker is talking about giving a gift.

You could also say:

• Tôi sẽ mua hoa làm quà cho mẹ tôi.

That is also correct and slightly more explicit. But in everyday Vietnamese, family terms are often left without a possessive word when the relationship is clear.

Vietnamese often uses classifiers, but they are not always required.

Here, hoa can mean flowers in a general sense, so mua hoa is perfectly natural.

If you want to count or specify the flowers more precisely, you would usually add a classifier, often bông or đóa depending on context:

• một bông hoa = one flower
• một đóa hoa = one blossom / one flower bouquet-like bloom
• mua vài bông hoa = buy a few flowers

But when speaking generally, mua hoa is very common and natural.

By itself, hoa is non-specific. Depending on context, it can mean:

• flowers in general
• some flowers
• possibly flower(s) as a gift

English often forces a singular/plural choice, but Vietnamese is less strict about that unless a number or classifier is added.

If you want to make it clearly singular, you would say something like:

• một bông hoa = one flower

If you want to sound more like a bouquet of flowers, you might say:

• một bó hoa = a bouquet of flowers

Mẹ is the normal everyday word for mother / mom in Vietnamese. It is warm and natural.

Depending on region, family, or context, you may also hear:

• má = mom, common in the South
• u, bu, bầm = regional or old-fashioned in some areas
• mẹ tôi = my mother, a bit more explicit

So cho mẹ sounds very natural and common.

Yes. That would be a very natural alternative.

For example:

• Tôi sẽ mua hoa để tặng mẹ. = I will buy flowers to give to my mother.
• Tôi sẽ mua hoa làm quà cho mẹ. = I will buy flowers as a gift for my mother.

The difference is slight:

• để tặng mẹ focuses more on the action of giving
• làm quà cho mẹ focuses more on the flowers being the gift

Both are correct and natural.

Vietnamese cho can function in more than one way.

1. As a main verb, it can mean to give

   • Tôi cho mẹ hoa. = I give my mother flowers.

2. As a preposition-like word, it can mean for or to

   • mua hoa cho mẹ = buy flowers for mother

In your sentence, cho is not the main action. The main verb is mua. Here cho mẹ shows the recipient or beneficiary.

Yes. That is grammatical, but the time reference becomes less explicit.

• Tôi sẽ mua hoa làm quà cho mẹ. = I will buy flowers as a gift for my mother.
• Tôi mua hoa làm quà cho mẹ. = I buy / am buying / buy flowers as a gift for my mother.

Without sẽ, the listener relies more on context to understand whether it is present, habitual, or near-future.

It is natural and correct. It sounds like a clear, standard sentence.

A few common everyday alternatives are:

• Tôi sẽ mua hoa tặng mẹ. = I will buy flowers for mom.
• Tôi sẽ mua hoa để tặng mẹ. = I will buy flowers to give to mom.
• Tôi sẽ mua một bó hoa cho mẹ. = I will buy a bouquet for mom.

Your original sentence is slightly fuller and emphasizes that the flowers are intended as a gift.

A rough approximation is:

Toy suh moo-ah hwah lahm kwah chaw meh

But this is only approximate. Vietnamese tones are very important, and English-style pronunciation can easily change the meaning.

A word-by-word guide:

• Tôi ≈ toy
• sẽ ≈ suh, with a rising-creaky tone
• mua ≈ moo-ah
• hoa ≈ hwah
• làm ≈ lahm
• quà ≈ kwah
• cho ≈ chaw / jaw depending on dialect
• mẹ ≈ meh, with a heavy falling tone

If you are learning pronunciation, it is best to learn each word with its tone rather than relying only on English approximations.