acertar Affirmative Imperative Conjugation
acertar — to get right
The affirmative command uses 'acierta' (tú) and 'acierte' (usted), following the stem change.
acertar Affirmative Imperative Forms
When to Use the Affirmative Imperative
Use this to tell someone to 'get it right' or 'hit the mark' in a game or decision.
Notes on acertar in the Affirmative Imperative
The 'tú' form (acierta) and 'usted/ustedes' forms (acierte/acierten) include the e-to-ie stem change.
Example Sentences
¡Acierta esta vez, por favor!
Get it right this time, please!
tú
Acertad vosotros, que sabéis más.
You all get it right, since you know more.
vosotros
Acierte la respuesta y gane el premio.
Get the answer right and win the prize.
Common Mistakes
Mistake: Using 'acerta' for the tú command.
Correct: acierta
Why: The tú command usually matches the third-person singular present, which has the stem change.
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Related Tenses
Present
yo: acierto
Acertar is a 'boot verb' where the 'e' changes to 'ie' in all forms except nosotros and vosotros.
Preterite
yo: acerté
In the preterite, acertar is completely regular: acerté, acertaste, acertó, acertamos, acertasteis, acertaron.
Imperfect
yo: acertaba
The imperfect of acertar is regular: acertaba, acertabas, acertaba, acertábamos, acertabais, acertaban.
Future
yo: acertaré
The future is regular: just add -é, -ás, -á, -emos, -éis, -án to the full infinitive 'acertar'.
Conditional
yo: acertaría
The conditional is regular: add -ía, -ías, -ía, -íamos, -íais, -ían to the infinitive 'acertar'.
Present Subjunctive
yo: acierte
The present subjunctive follows the 'ie' stem change: acierte, aciertes, acierte, acertemos, acertéis, acierten.
Imperfect Subjunctive
yo: acertara
The imperfect subjunctive is regular based on the preterite stem: acertara, acertaras, acertara, acertáramos, acertarais, acertaran.
Negative Imperative
yo: no aciertes
Negative commands use 'no' plus the present subjunctive forms: no aciertes, no acierte, no acertemos, no acertéis, no acierten.