How to Master the Subjunctive in Spanish
The subjunctive is what trips up advanced Spanish learners. It’s used when reality is uncertain, hoped for, doubted, or commanded. Once you know the triggers, it gets manageable.
Quick answer
Subjunctive is triggered by emotion, doubt, will/desire, impersonal expressions, and certain conjunctions. The famous acronym is WEIRDO: Wishes, Emotions, Impersonal expressions, Recommendations, Doubt/denial, Ojalá.
The WEIRDO triggers
- Wishes: Quiero que vengas. (I want you to come.)
- Emotions: Me alegra que estés aquí. (I’m glad you’re here.)
- Impersonal expressions: Es importante que estudies. (It’s important that you study.)
- Recommendations: Sugiero que vayas. (I suggest you go.)
- Doubt/denial: Dudo que sea verdad. (I doubt it’s true.)
- Ojalá: Ojalá llueva. (I hope it rains.)
How to form present subjunctive
Start with the yo form of the present tense. Drop the -o. Add opposite endings:
- -AR verbs: e, es, e, emos, éis, en
- -ER/-IR verbs: a, as, a, amos, áis, an
Example: hablar → yo hablo → drop o → habl + e/es/e… = hable, hables, hable.
Tutoring tip: the subjunctive almost never appears in the main clause. It shows up after que. If you see “que” after a WEIRDO trigger, the next verb is subjunctive.
Worked example
“I hope she calls me tomorrow.”
- Trigger: “Hope” (wish) → subjunctive needed.
- Structure: Espero que [she call] mañana.
- Conjugate: ella llamar → llame.
- Result: Espero que (ella) me llame mañana.
Common mistakes
- Using indicative after WEIRDO triggers (“Quiero que vienes” — wrong; should be “vengas”).
- Confusing subjunctive with imperative (different forms, different uses).
- Forgetting irregular subjunctive forms (sea, esté, vaya, sepa, dé).