Spanish Subjunctive: Triggers and Forms

When to use the present subjunctive — WEIRDO triggers, formation, and classic contrasts with indicative.

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  1. 01
    What does WEIRDO stand for in Spanish subjunctive teaching?
    Wishes; Emotions; Impersonal expressions; Recommendations/requests; Doubt/denial; Ojalá (and similar).
    triggers
  2. 02
    How do you form the present subjunctive for regular -ar verbs (yo)?
    Take yo present indicative, drop -o, add -e: hablar → hable.
    forms
  3. 03
    How do you form the present subjunctive for regular -er/-ir verbs (yo)?
    Yo present stem + -a: comer → coma; vivir → viva.
    forms
  4. 04
    Subjunctive or indicative: “Creo que él ____ (venir)”?
    Indicative (vienen/viene) — belief/certainty takes indicative; doubt takes subjunctive.
    contrast
  5. 05
    Subjunctive or indicative: “No creo que él ____ (venir)”?
    Subjunctive (venga) — negation of belief → doubt.
    contrast
  6. 06
    Why does “Quiero que estudies” use subjunctive?
    Desire/influence on a different subject requires que + subjunctive.
    triggers
  7. 07
    Does “Ojalá” take subjunctive?
    Yes — Ojalá (que) + subjunctive for hopes/wishes.
    triggers
  8. 08
    Impersonal expression: “Es importante que…” — mood?
    Subjunctive: Es importante que llegues a tiempo.
    triggers
  9. 09
    When do adjective clauses use subjunctive?
    When the antecedent is indefinite, unknown, or nonexistent: Busco un libro que sea barato.
    adjective
  10. 10
    “Cuando” + future time (not yet occurred) — mood in subordinate clause?
    Subjunctive: Te llamaré cuando llegue.
    adverbial
  11. 11
    Irregular subjunctive stems: ir, ser, saber (yo forms)?
    vaya; sea; sepa.
    irregular
  12. 12
    Dar and estar present subjunctive (yo)?
    dé; esté.
    irregular