hacer Negative Imperative Conjugation
hacer — to do
Negative commands for hacer always use the 'hag-' stem from the subjunctive.
hacer Negative Imperative Forms
When to Use the Negative Imperative
Use this to tell someone NOT to do something.
Notes on hacer in the Negative Imperative
Unlike the affirmative 'haz', the negative 'tú' command is 'no hagas', following the subjunctive pattern.
Example Sentences
No hagas ruido, el bebé duerme.
Don't make noise, the baby is sleeping.
tú
No hagan eso en casa.
Don't do that at home.
No hagamos planes todavía.
Let's not make plans yet.
nosotros
Common Mistakes
Mistake: Saying 'no haz'.
Correct: no hagas
Why: Negative commands never use the affirmative imperative form; they always use the subjunctive.
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Related Tenses
Present
yo: hago
Hacer is a 'yo-go' verb, meaning only the first-person singular is irregular (hago).
Preterite
yo: hice
Hacer is highly irregular in the preterite, featuring a stem change to 'hic-' (and 'hiz-' for the él/ella form).
Imperfect
yo: hacía
Hacer is completely regular in the imperfect tense: hacía, hacías, hacía...
Future
yo: haré
Hacer uses the irregular stem 'har-' for all future tense endings.
Conditional
yo: haría
The conditional uses the same irregular stem as the future: 'har-'.
Present Subjunctive
yo: haga
The present subjunctive is built from the 'yo' form (hago), resulting in the stem 'hag-'.
Imperfect Subjunctive
yo: hiciera
Based on the preterite stem, the imperfect subjunctive uses 'hicier-'.
Affirmative Imperative
yo: haz
The informal command is the very short 'haz', while others use the 'hag-' stem.