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Portuguese Phrase

Preciso estudar muito.

/pɾeˈsi.zu es.tuˈdaɾ ˈmũj.tu/
Meaning"I need to study a lot."
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Meaning

The speaker is stating a personal necessity: they have to devote a great amount of time to studying. It can imply upcoming exams, a demanding course, or a self‑imposed goal. The adverb ‘muito’ adds intensity, stressing that a little study won’t be enough.

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When to use

Use this sentence when you want to explain your study plan, justify why you’ll be busy, or ask for help because you have a lot of material to cover. It’s common among students preparing for university entrance exams (vestibular), high‑school finals, or language proficiency tests.

✦Grammar Breakdown

Precisoestudarmuito.

1

Preciso (verbo precisar)

‘Preciso’ is the first‑person singular present of ‘precisar’, used like a modal verb meaning ‘I need to’. No preposition follows it.

2

Estudar (infinitivo)

The infinitive verb follows ‘preciso’ directly; Portuguese does not require ‘to’ (a) after ‘precisar’.

3

Muito (advérbio de intensidade)

‘Muito’ modifies the verb, indicating a large amount or degree – here ‘a lot’.

🗨In Conversation

A

Preciso estudar muito.

I need to study a lot.

Entendo, a prova é difícil?

I understand, is the test difficult?

B

✕Common Mistakes

  • Preciso **de** estudar muito.

    ‘Preciso’ does not take a preposition before the infinitive.

  • **Precisa** estudar muito.

    ‘Precisa’ is third‑person singular; use ‘Preciso’ for ‘I need’.

  • Preciso estudar **muitos**.

    ‘Muitos’ is plural and works as an adjective, not as an adverb here.

↔Alternatives

  • Tenho que estudar bastante.

    I have to study a lot.

  • Devo estudar muito.

    I should study a lot.

  • Preciso dedicar muito tempo ao estudo.

    I need to devote a lot of time to studying.

pt

Cultural Tip

In Brazil, saying ‘preciso estudar muito’ often signals a serious, self‑disciplined attitude toward education. While ‘preciso’ sounds a bit more formal, many speakers prefer ‘tenho que’ in casual conversation. Avoid adding the preposition ‘de’ after ‘preciso’; the correct construction is ‘preciso + infinitive’. Also, note that ‘muito’ can be replaced by ‘bastante’ for a slightly softer tone.