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Spanish Phrase

Tengo que estudiar mucho.

/ˈteŋ.go ke es.tuˈðjar ˈmu.tʃo/
Meaning"I have to study a lot."
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Meaning

Literally ‘I have to study a lot.’ It expresses a personal obligation to devote a large amount of time or effort to studying, often because of upcoming exams or a heavy workload.

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When to use

Use this sentence when you want to explain why you’re busy, when you’re talking about upcoming exams, or when you’re justifying why you can’t join a social activity. It works in both informal chats and more formal contexts.

✦Grammar Breakdown

Tengoqueestudiarmucho

1

Tengo (verb tener)

First‑person singular present of tener, meaning ‘I have’. In this construction it introduces an obligation.

2

que (conjunction)

Used after tener to mean ‘to have to’. It links the subject with the infinitive that follows.

3

estudiar (infinitive)

The infinitive form of the verb ‘to study’. After tener que the verb stays in the infinitive.

4

mucho (adverb)

An adverb of quantity meaning ‘a lot’ or ‘much’. It modifies the verb estudiar.

🗨In Conversation

A

¿Qué vas a hacer este fin de semana?

What are you going to do this weekend?

Tengo que estudiar mucho.

I have to study a lot.

B

✕Common Mistakes

  • Tengo estudiar mucho.

    Missing the conjunction que; tener must be followed by que to express obligation.

  • Tengo que estudia mucho.

    The verb after que must stay in the infinitive; estudia is a conjugated form.

  • Tengo que estudiar mucho.

    Using a period inside the quotation marks is fine, but learners sometimes forget the accent on estudiar (incorrectly write estudiár).

↔Alternatives

  • Debo estudiar mucho.

    I must study a lot.

  • Necesito estudiar mucho.

    I need to study a lot.

  • Tengo que repasar mucho.

    I have to review a lot.

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Cultural Tip

In Spanish‑speaking countries, tener que is the go‑to way to express obligations and sounds neutral. Debo is slightly more formal and can sound like a personal moral duty, while necesito conveys a personal need rather than an external requirement. Adjust the verb according to how strong or formal you want the obligation to sound.