Verbs: Subjunctive Mood

01

The Present Subjunctive

The present subjunctive is used when the verb in the main clause is in the present, future, or is a command, and expresses one of the following ideas.

Common Triggers for the Present Subjunctive

• Wishes and Desires: Verbs like querer (to want), esperar (to hope), desear (to wish).

• Quiero que vengas a la fiesta.

  I want you to come to the party.

• Esperamos que te sientas mejor.

  We hope you feel better.

• Emotions: Expressions like me alegra que (it makes me happy that), siento que (I'm sorry that), me sorprende que (it surprises me that).

• Me alegra que estés aquí.

  I'm happy that you are here.

• Es una lástima que no puedan venir.

  It's a shame they can't come.

• Impersonal Expressions: Phrases that state an opinion or judgment, like es importante que (it's important that), es necesario que (it's necessary that), es posible que (it's possible that).

• Es necesario que estudien para el examen.

  It's necessary that they study for the exam.

• Es mejor que nos vayamos ahora.

  It's better that we leave now.

• Recommendations and Requests: Verbs like recomendar (to recommend), sugerir (to suggest), pedir (to ask for).

• El doctor recomienda que bebas más agua.

  The doctor recommends that you drink more water.

• Te pido que me escuches.

  I'm asking you to listen to me.

• Doubt and Denial: Verbs like dudar (to doubt) or negative expressions like no creer (to not believe), no pensar (to not think).

• Dudo que llueva mañana.

  I doubt it will rain tomorrow.

• No creo que sea una buena idea.

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

• Ojalá: This expression, which means something like I hope or if only, is always followed by the subjunctive.

• ¡Ojalá que gane nuestro equipo!

  I hope our team wins!

• Ojalá no haga frío en la noche.

  I hope it's not cold tonight.

How to Form the Present Subjunctive

For most verbs, follow a simple three-step rule:

1. Start with the yo form of the present indicative (e.g., hablo, como, vivo).

2. Drop the final -o.

3. Add the "opposite" ending:

• For -ar verbs, use these endings: -e, -es, -e, -emos, -en
• For -er and -ir verbs, use these endings: -a, -as, -a, -amos, -an

For example, with hablar (to speak): hablo → habl- → hable, hables, hable, hablemos, hablen.

With comer (to eat): como → com- → coma, comas, coma, comamos, coman.

Key Irregular Verbs in the Present Subjunctive

A few common verbs are highly irregular and must be memorized:

• ser (to be): sea, seas, sea, seamos, sean
• ir (to go): vaya, vayas, vaya, vayamos, vayan
• saber (to know): sepa, sepas, sepa, sepamos, sepan
• estar (to be): esté, estés, esté, estemos, estén
• dar (to give): dé, des, dé, demos, den
• haber (auxiliary 'to have'): haya, hayas, haya, hayamos, hayan

02

The Imperfect (Past) Subjunctive

The imperfect subjunctive is used in the same contexts as the present subjunctive (wishes, emotions, doubt, etc.), but when the main clause is in a past tense (like the preterite or imperfect) or the conditional.

It is also commonly used in hypothetical "if" clauses (si clauses).

How to Form the Imperfect Subjunctive

1. Start with the third-person plural (ellos/ellas/ustedes) form of the preterite. (e.g., hablaron, comieron, fueron).

2. Drop the -ron ending.

3. Add the following endings: -ra, -ras, -ra, -ramos, -ran.

For example, with hablar: hablaron → habla- → hablara, hablaras, hablara, habláramos, hablaran.

With tener (to have): tuvieron → tuvie- → tuviera, tuvieras, tuviera, tuviéramos, tuvieran.

Note: There is another set of endings (-se, -ses, -se, -semos, -sen). In Mexico, the -ra endings are used almost exclusively in conversation. The -se endings are considered more formal or literary.

Examples in Context

• When the main clause is in the past:

• Mis papás querían que yo estudiara medicina.

  My parents wanted me to study medicine.

• Dudaba que llegaran a tiempo.

  I doubted they would arrive on time.

• In hypothetical "if" clauses (often paired with the conditional tense):

• Si tuviera más tiempo, leería más libros.

  If I had more time, I would read more books.

• Si yo fuera tú, no lo haría.

  If I were you, I wouldn't do it.

03

Other Subjunctive Forms

There are also perfect tenses in the subjunctive, which are formed with the subjunctive of the verb haber plus a past participle.

• Present Perfect Subjunctive (haya + participle): Refers to a past action from a present perspective.

• Espero que hayas dormido bien.

  I hope you slept well.

• Pluperfect Subjunctive (hubiera + participle): Refers to a hypothetical past action, often in "if" clauses about the past.

• Si hubieras venido, te habrías divertido.

  If you had come, you would have had fun.

A future subjunctive tense also exists but is now obsolete in modern Spanish, appearing only in very formal legal texts or classic literature.