concertar Affirmative Imperative Conjugation
concertar — to arrange
The imperative uses the stem change 'ie' for most commands: concierta (tú), concierte (usted).
concertar Affirmative Imperative Forms
When to Use the Affirmative Imperative
Use this to give direct orders to arrange or settle something.
Notes on concertar in the Affirmative Imperative
The 'tú' form and 'usted/ustedes' forms use the IE stem change. 'Nosotros' and 'vosotros' remain regular.
Example Sentences
Concierta una cita ahora, por favor.
Arrange an appointment now, please.
tú
Concierten ustedes los detalles del evento.
Arrange the details of the event (you all).
ustedes
Concertemos un precio justo.
Let's agree on a fair price.
nosotros
Common Mistakes
Mistake: Saying 'conciertad' for vosotros.
Correct: Concertad
Why: The vosotros imperative is always formed by replacing the -r of the infinitive with a -d, with no stem change.
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Related Tenses
Present
yo: concierto
In the present tense, concertar is a stem-changer where the 'e' becomes 'ie' in all forms except nosotros and vosotros.
Preterite
yo: concerté
The preterite of concertar is completely regular, following the standard -ar pattern.
Imperfect
yo: concertaba
The imperfect of concertar is regular: concertaba, concertabas, concertaba, concertábamos, concertabais, concertaban.
Future
yo: concertaré
The future tense is regular: add the endings -é, -ás, -á, -emos, -éis, -án to the full infinitive concertar.
Conditional
yo: concertaría
The conditional of concertar is regular: concertaría, concertarías, concertaría, etc.
Present Subjunctive
yo: concierte
The present subjunctive follows the E-to-IE stem change: concierte, conciertes, concierte, concertemos, concertéis, concierten.
Imperfect Subjunctive
yo: concertara
The imperfect subjunctive of concertar is regular based on the preterite stem: concertara, concertaras, concertara...
Negative Imperative
yo: no conciertes
The negative imperative uses the present subjunctive forms: no conciertes, no concierte, no concertemos.