B1 Subjunctive 13 min read Medium

Spanish Denial: I Don't Think... (Subjunctive Negation)

When you deny a fact in Spanish using no, the following verb must switch to the Subjunctive mood.
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Grammar Rule in 30 Seconds

When you negate a verb of belief (like 'think' or 'believe'), the following verb must switch to the subjunctive mood.

  • No creo que + subjunctive: No creo que sea verdad (I don't think it's true).
  • No pienso que + subjunctive: No pienso que vengan hoy (I don't think they are coming today).
  • Affirmative belief uses indicative: Creo que es verdad (I think it is true).
No + [Verb of Belief] + que + [Subjunctive Verb]

Overview

Spanish verb moods are not just a matter of grammar; they are a window into the speaker's worldview. The language makes a fundamental distinction between what is presented as objective reality and what exists in the subjective realm of doubt, desire, or denial. The Indicative mood is the mood of assertion.

You use it when you state facts, make declarations, or express beliefs you hold to be true. It's the default for reporting on the world as you see it. The Subjunctive mood, in contrast, is the voice of non-assertion.

It's used for concepts that are hypothetical, uncertain, emotionally charged, or contrary to fact from the speaker's perspective.

This rule governs one of the most common and crucial triggers for the subjunctive: the negation of opinion and certainty. When you say Creo que... (I think that...), you are asserting a belief, so the verb that follows is in the indicative. However, when you negate that belief with No creo que... (I don't think that...), you are explicitly withdrawing your endorsement of the following statement's factuality.

You are not asserting it; you are denying it, doubting it, or casting it into a space of unreality. This act of negation is a powerful grammatical signal.

As a result, Spanish grammar demands a shift in mood. The verb in the subordinate clause must switch from the indicative to the subjunctive. This is not optional; it's a core structural requirement.

Mastering this pattern is essential for moving beyond simply stating facts to expressing nuanced disagreement, skepticism, and personal perspective. It allows you to communicate not only what you think, but also what you don't hold to be true, a cornerstone of sophisticated, B1-level communication.

How This Grammar Works

The central principle here is the dichotomy between assertion and non-assertion. Spanish grammar forces you to signal which stance you're taking. An affirmative statement of belief is an assertion, while a negative statement of belief is a non-assertion.
Consider the affirmative case first. When you use a verb of perception or opinion like creer (to believe), pensar (to think), or parecer (to seem) in the affirmative, you are presenting the subsequent information as your reality. It is a fact in your mind.
Therefore, the indicative mood is required.
  • Affirmative Assertion: Creo que llueve. (I think it is raining.)
  • Explanation: You are asserting your belief. From your point of view, the rain is a reality. llueve is in the present indicative.
Now, watch what happens when we introduce a single word: no. By negating the main verb of opinion, you shatter the assertion. You are no longer presenting the subordinate clause as a fact.
Instead, you are actively marking it as doubtful, untrue, or simply not part of your accepted reality. This is a non-assertion, and it automatically triggers the subjunctive.
  • Negative Non-Assertion: No creo que llueva. (I don't think it is raining.)
  • Explanation: You are denying the reality of the rain. The concept of it raining is now in the subjective realm of your disbelief. llueva must be in the present subjunctive.
This direct contrast is the key to understanding the rule. The main clause acts as a switch. Think of No creo que..., No pienso que..., and similar phrases as grammatical triggers that set the mood for the entire idea that follows.
The conjunction que is the essential bridge that links your denial to the thing being denied.
This concept is so fundamental that a table can clarify the structure:
| Speaker's Stance | Main Clause Structure | que | Subordinate Clause Mood | Full Example | English Translation |
| :--- | :--- | :--- | :--- | :--- | :--- |
| Assertion | Affirmative verb of opinion (Creo, Pienso, Es verdad) | que | Indicative | Pienso que la tienda cierra a las 8. | I think that the store closes at 8. |
| Non-Assertion | Negative verb of opinion (No creo, No pienso, No es verdad) | que | Subjunctive | No pienso que la tienda cierre a las 8. | I don't think that the store closes at 8. |
This pattern extends to a wide family of expressions that deny truth, certainty, or evidence:
  • No es verdad que... (It's not true that...)
  • No es cierto que... (It's not certain that...)
  • No es evidente que... (It's not evident that...)
  • No me parece que... (It doesn't seem to me that...)
In all these cases, the negative element in the main clause functions as the decisive trigger for the subjunctive in the subordinate clause.

Formation Pattern

1
The structure for this rule is rigid and predictable. It consists of three non-negotiable components assembled in a precise order. Committing this pattern to memory is the most direct path to correct usage.
2
The Formula:
3
[Negative Main Clause] + que + [Subordinate Clause with Verb in Present Subjunctive]
4
Let's break down each component:
5
1. The Negative Main Clause:
6
This is the phrase that expresses denial, doubt, or disbelief. It always begins with no and contains a verb of opinion or a phrase of certainty.
7
No creo... (I don't believe...)
8
No piensas... (You don't think...)
9
No parece... (It doesn't seem...)
10
No es verdad... (It's not true...)
11
No estamos seguros de... (We are not sure...)
12
2. The Conjunction que:
13
This word is the mandatory connector. It links the main clause of denial to the subordinate clause containing the idea being denied. Omitting que is a critical grammatical error. It must always be present in this structure.
14
3. The Subordinate Clause with a Subjunctive Verb:
15
This is the payload of the sentence—the idea you don't believe. Its verb must be conjugated in the present subjunctive. For a B1 learner, a quick review of subjunctive formation is helpful.
16
The rule for forming the present subjunctive is: start with the yo form of the present indicative, drop the -o, and add the opposite vowel ending.
17
| Verb Type | Regular Endings | Example: hablar (to speak) | Example: comer (to eat) | Example: vivir (to live) |
18
| :--- | :--- | :--- | :--- | :--- |
19
| -ar verbs | -e, -es, -e, -emos, -éis, -en | hable, hables, hable, hablemos, habléis, hablen | | |
20
| -er verbs | -a, -as, -a, -amos, -áis, -an | | coma, comas, coma, comamos, comáis, coman | |
21
| -ir verbs | -a, -as, -a, -amos, -áis, -an | | | viva, vivas, viva, vivamos, viváis, vivan |
22
Remember, many of the most common verbs are irregular in the subjunctive. You must memorize these:
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ser → sea, seas, sea...
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ir → vaya, vayas, vaya...
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tener → tenga, tengas, tenga...
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estar → esté, estés, esté...
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saber → sepa, sepas, sepa...
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haber → haya, hayas, haya...
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Building a Sentence Step-by-Step:
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Let's construct a sentence: "I don't think they have the correct address."
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Start with the denial: No creo
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Add the connector: No creo que
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Identify the subordinate clause subject and verb: ellos (they) and tener (to have).
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Conjugate the verb in the present subjunctive: tener is irregular. The form for ellos is tengan.
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Assemble the sentence: No creo que ellos tengan la dirección correcta.

When To Use It

This grammatical structure is not just a textbook rule; it's a versatile tool for everyday communication. You'll use it to navigate disagreements, express skepticism, and soften corrections.
1. To Express Disagreement or Personal Skepticism
This is the most frequent application. When someone states an opinion you don't share, you use no creo que to introduce your counter-perspective. It's generally more polite than a blunt estás equivocado (you're wrong).
  • Context: Your friend loves a new restaurant you found mediocre.
  • You say: A mí no me gustó tanto. No creo que sea el mejor restaurante de la ciudad. (I didn't like it that much. I don't think it's the best restaurant in the city.)
2. To Politely Correct or Refute Information
When you need to correct a factual error, using no es verdad que or no es cierto que is a common and less confrontational strategy. You are denying the truth of the statement, which requires the subjunctive.
  • Context: A colleague thinks a deadline is today, but it was moved.
  • You say: Revisé el calendario. No es verdad que la fecha de entrega sea hoy; es el viernes. (I checked the calendar. It's not true that the due date is today; it's Friday.)
3. To Deny Certainty or Obviousness
Phrases like no es evidente que (it's not evident that) or no está claro que (it's not clear that) inherently frame a topic as uncertain. They are used to question assumptions that something is a given.
  • Context: Discussing a company's new plan that seems incomplete.
  • You say: El plan es ambicioso, pero no está claro que tengamos los recursos para ejecutarlo. (The plan is ambitious, but it's not clear that we have the resources to execute it.)
4. To Express a Subjective Perception Against an Apparent Fact
No me parece que is perfect for conveying that your personal impression differs from available information or common belief. You're not denying the fact itself, but rather that it seems that way to you.
  • Context: The weather forecast calls for cold, but it feels warm to you.
  • You say: No sé, no me parece que haga tanto frío como decían. (I don't know, it doesn't seem to me that it's as cold as they said.)

Common Mistakes

Because this structure differs significantly from English, learners make several predictable errors. Avoiding them is key to sounding natural.
1. Using the Indicative Instead of the Subjunctive (The #1 Error)
This is by far the most common mistake. English syntax doesn't change the verb in the subordinate clause ("I don't think he has the keys"), so learners translate this logic directly.
  • Incorrect: *No creo que él tiene las llaves.
  • Correct: No creo que él tenga las llaves.
  • Why it's wrong: In Spanish, the no in the main clause fundamentally changes the nature of the statement from an assertion to a denial. This shift must be reflected grammatically with the subjunctive. Using the indicative here is a clear signal to a native speaker that you're thinking in English.
2. The Affirmative Question Trap
Learners often confuse a negative statement with a question. While a negative statement of belief takes the subjunctive, a simple question about belief typically uses the indicative because the speaker is asking about another person's asserted reality.
  • Negative Statement: No creo que venga. (I don't think he's coming.) -> Subjunctive
  • Affirmative Question: ¿Crees que viene? (Do you think he's coming?) -> Indicative
  • The Nuance of Negative Questions: Be careful with negative questions like ¿No crees que...?. Often, they are rhetorical and used to seek confirmation for the speaker's own belief. In this case, they paradoxically use the indicative. ¿No crees que es un poco tarde ya? (Don't you think it's a bit late already?) implies "I think it is, and I expect you to agree."
3. The dudar vs. no dudar Reversal
This is a classic point of confusion. The verb dudar (to doubt) works in the opposite way to creer.
  • Dudo que... (I doubt that...) expresses uncertainty and triggers the subjunctive: Dudo que sepa la respuesta.
  • No dudo que... (I don't doubt that...) expresses certainty and triggers the indicative: No dudo que sabe la respuesta.
This is the inverse of the creer / no creer pattern. It's a great example of how the underlying meaning (certainty vs. uncertainty) dictates the mood, not just the presence of no.
| Phrase | Meaning | Mood Triggered |
| :--- | :--- | :--- |
| Creo que | Certainty (Belief) | Indicative |
| No creo que | Uncertainty (Disbelief) | Subjunctive |
| Dudo que | Uncertainty (Doubt) | Subjunctive |
| No dudo que | Certainty (No Doubt) | Indicative |

Real Conversations

Here is how this grammar appears in modern, everyday contexts—far from the textbook.

1. Texting / WhatsApp

- Context: Making plans with a friend who might be busy.

- Alex: Vas a venir a la cena el sábado? (Are you coming to dinner on Saturday?)

- Carla: Uff, no estoy segura. Es que no creo que me dé tiempo a terminar el trabajo. (Ugh, I'm not sure. The thing is, I don't think I'll have time to finish my work.)

2. At the Office / Work Email

- Context: Discussing the viability of a project proposal.

- Subject: Sobre la propuesta de marketing

- Body: Hola a todos, he revisado el documento. Con todo respeto, no pienso que el presupuesto sea realista. Propongo que lo analicemos de nuevo. (Hi all, I've reviewed the document. With all due respect, I don't think the budget is realistic. I propose we analyze it again.)

3. Casual Socializing

- Context: Two friends are debating the quality of a popular TV series.

- Friend 1: ¡Tienes que verla! Es la mejor serie del año. (You have to watch it! It's the best series of the year.)

- Friend 2: La empecé a ver, pero la dejé. No me parece que la trama avance lo suficientemente rápido. (I started it, but I dropped it. It doesn't seem to me that the plot moves fast enough.)

4. Social Media Comments

- Context: Replying to a post making a bold claim.

- Original Post: Este nuevo smartphone es perfecto, no tiene ningún defecto. (This new smartphone is perfect, it has no flaws.)

- Reply: Yo lo tengo y la batería dura poco. No es verdad que no tenga ningún defecto. (I have it and the battery life is short. It's not true that it has no flaws.)

Quick FAQ

Q: What if I'm only a little uncertain? Does no creo que still require the subjunctive?

Yes. The moment you use the structure no creo que, the degree of your doubt doesn't matter. The negation itself is the grammatical trigger that makes the subjunctive mandatory. If you want to express mild doubt, you would use other structures like quizás + subjunctive (Quizás llegue tarde) or a lo mejor + indicative (A lo mejor llega tarde). But no creo que is an all-or-nothing trigger.

Q: Does this rule apply to past tenses as well?

Absolutely. The principle of non-assertion remains the same across tenses. If you are denying a belief about a past event, you use the imperfect subjunctive. For example, No creía que la tienda estuviera abierta tan tarde. (I didn't think the store was open so late.) The main verb creía is in the past, triggering the past subjunctive estuviera.

Q: Is there any situation where no creo que can be followed by the indicative?

For a B1 learner, the definitive answer is no. You should always treat no creo que as a strict trigger for the subjunctive. Advanced (C1/C2 level) speakers may very occasionally manipulate this rule for rhetorical effect, but this is an exception, not the rule. Stick to No creo que + Subjunctive for 100% accuracy.

Q: What is the real difference between no creo que and no pienso que?

In practical, everyday use, they are virtually interchangeable. Both are used to express disbelief or a dissenting opinion. If there is a slight nuance, creer relates more to a belief or faith in something, while pensar relates more to a reasoned thought or opinion. However, for this grammatical rule, they function as perfect synonyms. You can use whichever feels more natural to you.

Present Subjunctive Conjugation (The 'No creo que' trigger)

Pronoun Hablar (-ar) Comer (-er) Vivir (-ir)
Yo
hable
coma
viva
Tú
hables
comas
vivas
Él/Ella
hable
coma
viva
Nosotros
hablemos
comamos
vivamos
Vosotros
habléis
comáis
viváis
Ellos/Ellas
hablen
coman
vivan

Meanings

This rule dictates that when a speaker expresses doubt or negation regarding a belief, opinion, or thought, the subordinate clause must use the subjunctive mood to reflect that lack of certainty.

1

Negation of belief

Expressing that you do not hold a certain opinion.

“No creo que sea buena idea.”

“No pienso que ellos sepan la verdad.”

2

Doubtful opinion

Stating that something is unlikely or not perceived as a fact.

“No considero que sea necesario.”

“No opino que debamos ir.”

Reference Table

Reference table for Spanish Denial: I Don't Think... (Subjunctive Negation)
Form Structure Example
Affirmative
Creo que + Indicative
Creo que es verdad.
Negative
No creo que + Subjunctive
No creo que sea verdad.
Question
¿Crees que + Indicative?
¿Crees que es verdad?
Negative Question
¿No crees que + Subjunctive?
¿No crees que sea verdad?
Doubt
Dudo que + Subjunctive
Dudo que sea verdad.
Certainty
Es cierto que + Indicative
Es cierto que es verdad.

Formality Spectrum

Formal
No considero que sea verídico.

No considero que sea verídico. (General opinion)

Neutral
No creo que sea verdad.

No creo que sea verdad. (General opinion)

Informal
No me parece que sea verdad.

No me parece que sea verdad. (General opinion)

Slang
No creo que sea real, la neta.

No creo que sea real, la neta. (General opinion)

The Belief Mood Map

Creer/Pensar

Affirmative

  • Indicativo Certainty

Negative

  • Subjuntivo Doubt
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Examples by Level

1

No creo que sea verdad.

I don't think it is true.

2

No pienso que ellos vengan.

I don't think they are coming.

3

No creo que sea fácil.

I don't think it is easy.

4

No pienso que sea tarde.

I don't think it is late.

1

No creo que él tenga tiempo hoy.

I don't think he has time today.

2

No pienso que sea una buena idea.

I don't think it's a good idea.

3

No creo que ellos sepan la respuesta.

I don't think they know the answer.

4

No pienso que llueva mañana.

I don't think it will rain tomorrow.

1

No creo que sea necesario cambiar el plan.

I don't think it is necessary to change the plan.

2

No pienso que ellos hayan llegado todavía.

I don't think they have arrived yet.

3

No me parece que sea justo lo que hicieron.

I don't think what they did is fair.

4

No creo que podamos terminar a tiempo.

I don't think we can finish on time.

1

No considero que sea apropiado hablar así.

I don't consider it appropriate to speak like that.

2

No creo que el gobierno tome medidas pronto.

I don't think the government will take measures soon.

3

No pienso que sea factible realizar el proyecto.

I don't think it is feasible to carry out the project.

4

No creo que nadie sepa la verdad absoluta.

I don't think anyone knows the absolute truth.

1

No creo que la situación mejore sin una reforma estructural.

I don't think the situation will improve without a structural reform.

2

No pienso que sea prudente ignorar las advertencias.

I don't think it is prudent to ignore the warnings.

3

No creo que el autor pretenda ofender a nadie.

I don't think the author intends to offend anyone.

4

No me parece que sea una solución sostenible a largo plazo.

I don't think it is a sustainable solution in the long term.

1

No creo que quepa duda alguna sobre su integridad.

I don't think there is any doubt about his integrity.

2

No pienso que sea baladí el impacto de esta decisión.

I don't think the impact of this decision is trivial.

3

No creo que se deba subestimar la complejidad del problema.

I don't think one should underestimate the complexity of the problem.

4

No imagino que sea posible alcanzar un consenso pronto.

I don't imagine it is possible to reach a consensus soon.

Easily Confused

Spanish Denial: I Don't Think... (Subjunctive Negation) vs Dudar vs. No creer

Learners think they are the same.

Spanish Denial: I Don't Think... (Subjunctive Negation) vs Creo que vs. No creo que

Mixing up the mood.

Spanish Denial: I Don't Think... (Subjunctive Negation) vs Subjunctive vs. Infinitive

When to use which.

Common Mistakes

✗

No creo que es verdad.

✓

No creo que sea verdad.

Negation requires subjunctive.
✗

No pienso que él viene.

✓

No pienso que él venga.

Subjunctive needed after negative.
✗

No creo que es posible.

✓

No creo que sea posible.

Subjunctive 'sea' is required.
✗

No creo que él sabe.

✓

No creo que él sepa.

Subjunctive 'sepa' is required.
✗

No creo que ellos tienen dinero.

✓

No creo que ellos tengan dinero.

Subjunctive 'tengan'.
✗

No pienso que ella va a venir.

✓

No pienso que ella vaya a venir.

Subjunctive 'vaya'.
✗

No creo que es una buena idea.

✓

No creo que sea una buena idea.

Subjunctive 'sea'.
✗

No creo que él ha llegado.

✓

No creo que él haya llegado.

Use subjunctive perfect.
✗

No pienso que nosotros podemos ir.

✓

No pienso que nosotros podamos ir.

Subjunctive 'podamos'.
✗

No creo que es justo.

✓

No creo que sea justo.

Subjunctive 'sea'.
✗

No creo que el gobierno toma medidas.

✓

No creo que el gobierno tome medidas.

Subjunctive 'tome'.
✗

No pienso que la situación mejora.

✓

No pienso que la situación mejore.

Subjunctive 'mejore'.
✗

No creo que él tiene la razón.

✓

No creo que él tenga la razón.

Subjunctive 'tenga'.

Sentence Patterns

No creo que ___ sea ___.

No pienso que ___ ___ hoy.

No me parece que ___ ___ la verdad.

No considero que ___ ___ una buena opción.

Real World Usage

Social Media very common

No creo que sea real este post.

Texting very common

No creo que llegue a tiempo.

Job Interview common

No creo que sea el perfil que buscan.

Travel common

No creo que este sea el tren correcto.

Food Delivery occasional

No creo que sea la dirección correcta.

Academic Debate common

No pienso que sea una teoría válida.

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💡

The 'No' Rule

If you see 'No' before 'creer' or 'pensar', prepare for the subjunctive.
⚠️

Don't over-apply

Only use this with belief verbs. Don't use it with 'saber' (to know) unless it's also negated.
🎯

Subject Check

If the subject is the same in both clauses, use the infinitive instead.
💬

Politeness

Using the subjunctive makes your disagreement sound softer and more polite.

Smart Tips

Add 'No' before your belief verb.

Creo que es verdad. → No creo que sea verdad.

Immediately look for a subjunctive verb.

No creo que él viene. → No creo que él venga.

Ask: Is this a fact or an opinion?

Creo que es verdad. → No creo que sea verdad.

Use the subjunctive to sound more polite.

No es buena idea. → No creo que sea buena idea.

Pronunciation

hable /ah-bleh/

Subjunctive endings

Ensure the final vowel is clear and distinct.

Doubtful tone

No creo que sea verdad ↘

Falling intonation shows skepticism.

Memorize It

Mnemonic

Think 'No' = 'No-Subjunctive' (No, it's not indicative!)

Visual Association

Imagine a light switch. When you say 'Creo' (I think), the light is ON (Indicative). When you add 'No', the light turns OFF and the verb changes to the Subjunctive mood.

Rhyme

If you say 'No creo que', the next verb must be subjunctive, you see!

Story

Maria is sure about everything. She says 'Creo que es fácil' (Indicative). But her friend Juan is a skeptic. He says 'No creo que sea fácil' (Subjunctive). Maria is the 'Certainty' queen, Juan is the 'Subjunctive' king.

Word Web

CreerPensarSubjuntivoDudaNegaciónIndicativo

Challenge

Write 5 sentences starting with 'No creo que' about your day today.

Cultural Notes

In Spain, the subjunctive is very common in daily speech to show politeness.

Mexicans often use 'No creo que' with a slightly softer tone.

Argentines use the same grammar but with their unique 'vos' conjugation.

The subjunctive mood comes from the Latin 'subiunctivus', meaning 'joined to'.

Conversation Starters

“

¿Crees que va a llover?

“

¿Crees que es importante estudiar español?

“

¿Crees que la tecnología es buena?

“

¿Crees que el mundo será mejor en el futuro?

Journal Prompts

Write about a movie you didn't like.
Write about a plan you are skeptical about.
Discuss a current event you doubt.
Reflect on a personal belief you have changed.

Common Mistakes

Incorrect

Correct

Incorrect

Correct

Incorrect

Correct

Incorrect

Correct

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Test Yourself

Fill in the correct form.

No creo que él (venir) ___ hoy.

✓ Correct! ✗ Not quite. Correct answer: venga
Subjunctive after negative belief.
Choose the correct sentence. Multiple Choice

Which is correct?

✓ Correct! ✗ Not quite. Correct answer: No creo que sea verdad.
Subjunctive needed.
Fix the mistake. Error Correction

Find and fix the mistake:

No pienso que ellos tienen tiempo.

✓ Correct! ✗ Not quite. Correct answer: No pienso que ellos tengan tiempo.
Subjunctive 'tengan'.
Reorder the words. Sentence Reorder

Arrange the words in the correct order:

All words placed

Click words above to build the sentence

✓ Correct! ✗ Not quite. Correct answer: No creo que sea verdad.
Correct order.
Translate to Spanish. Translation

I don't think it is easy.

Answer starts with: No ...

✓ Correct! ✗ Not quite. Correct answer: No creo que sea fácil.
Subjunctive 'sea'.
Conjugate the verb. Conjugation Drill

No creo que ellos (saber) ___ la respuesta.

✓ Correct! ✗ Not quite. Correct answer: sepan
Subjunctive 'sepan'.
Complete the dialogue. Dialogue Completion

A: ¿Crees que ganaremos? B: No, ___.

✓ Correct! ✗ Not quite. Correct answer: no creo que ganemos.
Subjunctive 'ganemos'.
Build a sentence. Sentence Building

No creo que / ser / necesario

✓ Correct! ✗ Not quite. Correct answer: No creo que sea necesario.
Subjunctive 'sea'.

Score: /8

Practice Exercises

8 exercises
Fill in the correct form.

No creo que él (venir) ___ hoy.

✓ Correct! ✗ Not quite. Correct answer: venga
Subjunctive after negative belief.
Choose the correct sentence. Multiple Choice

Which is correct?

✓ Correct! ✗ Not quite. Correct answer: No creo que sea verdad.
Subjunctive needed.
Fix the mistake. Error Correction

Find and fix the mistake:

No pienso que ellos tienen tiempo.

✓ Correct! ✗ Not quite. Correct answer: No pienso que ellos tengan tiempo.
Subjunctive 'tengan'.
Reorder the words. Sentence Reorder

que / sea / no / creo / verdad

✓ Correct! ✗ Not quite. Correct answer: No creo que sea verdad.
Correct order.
Translate to Spanish. Translation

I don't think it is easy.

✓ Correct! ✗ Not quite. Correct answer: No creo que sea fácil.
Subjunctive 'sea'.
Conjugate the verb. Conjugation Drill

No creo que ellos (saber) ___ la respuesta.

✓ Correct! ✗ Not quite. Correct answer: sepan
Subjunctive 'sepan'.
Complete the dialogue. Dialogue Completion

A: ¿Crees que ganaremos? B: No, ___.

✓ Correct! ✗ Not quite. Correct answer: no creo que ganemos.
Subjunctive 'ganemos'.
Build a sentence. Sentence Building

No creo que / ser / necesario

✓ Correct! ✗ Not quite. Correct answer: No creo que sea necesario.
Subjunctive 'sea'.

Score: /8

Practice Bank

10 exercises
Fill in the blank Fill in the Blank

No es cierto que ellos ___ (ir) al cine.

✓ Correct! ✗ Not quite. Correct answer: vayan
Choose the correct sentence Multiple Choice

Which one uses the subjunctive correctly?

✓ Correct! ✗ Not quite. Correct answer: No creo que tú seas mi amigo.
Fix the error Error Correction

No es verdad que él habla español.

✓ Correct! ✗ Not quite. Correct answer: No es verdad que él hable español.
Reorder the words to form a correct sentence. Sentence Reorder

que / no / sea / verdad / creo

✓ Correct! ✗ Not quite. Correct answer: No creo que sea verdad.
Translate to Spanish Translation

It's not true that he has time.

✓ Correct! ✗ Not quite. Correct answer: No es verdad que él tenga tiempo.
Match the trigger with the correct ending. Match Pairs

Match the phrases:

✓ Correct! ✗ Not quite. Correct answer: No creo que / venga
Fill in the blank Fill in the Blank

No me parece que ella ___ (estar) feliz.

✓ Correct! ✗ Not quite. Correct answer: esté
Which sentence expresses denial? Multiple Choice

Select the correct denial:

✓ Correct! ✗ Not quite. Correct answer: No pienso que ellos vivan aquí.
Find the mistake Error Correction

No creo que tú puedes hacerlo.

✓ Correct! ✗ Not quite. Correct answer: No creo que tú puedas hacerlo.
Translate to Spanish Translation

I don't think it's a good idea.

✓ Correct! ✗ Not quite. Correct answer: No creo que sea una buena idea.

Score: /10

FAQ (8)

Because the negation introduces doubt, and Spanish uses the subjunctive to express doubt.

You use the indicative because 'Creo que' expresses certainty.

Yes, verbs like 'creer', 'pensar', and 'opinar' follow this rule.

No, it is grammatically incorrect.

Yes, it is standard in all registers.

It always takes the subjunctive, even without the 'no'.

No, the rule is the same across all Spanish-speaking regions.

Start by negating your own opinions in daily life.

Scaffolded Practice

1

1

2

2

3

3

4

4

Mastery Progress

Needs Practice

Improving

Strong

Mastered

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In Other Languages

French high

Je ne pense pas que + subjonctif

The conjugation is different.

German low

Ich glaube nicht, dass...

German doesn't use a strict subjunctive mood here.

Japanese low

～とは思わない

No mood change.

Arabic low

لا أعتقد أن

No subjunctive trigger.

Chinese low

我不觉得

No mood change.

Spanish high

No creo que

None.

Learning Path

Prerequisites

Previous
Seeing Doubt: Subjunctive with Negative Perception (No veo que)
Next
Spanish Subjunctive for Possibility (Maybe...)

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