concertar Present Subjunctive Conjugation
concertar — to arrange
The present subjunctive follows the E-to-IE stem change: concierte, conciertes, concierte, concertemos, concertéis, concierten.
concertar Present Subjunctive Forms
When to Use the Present Subjunctive
Use this after expressions of desire, doubt, or necessity, like 'Es necesario que concertemos una cita'.
Notes on concertar in the Present Subjunctive
Just like the present indicative, the stem changes from E to IE except in the nosotros and vosotros forms.
Example Sentences
Espero que concierte la cita hoy mismo.
I hope he arranges the appointment this very day.
él/ella/usted
Es importante que concertemos un horario.
It is important that we agree on a schedule.
nosotros
Busco a alguien que concierte mis viajes.
I'm looking for someone who arranges my trips.
yo
Common Mistakes
Mistake: Using 'conciertemos' with a stem change.
Correct: Concertemos
Why: -ar verbs like concertar do not have a stem change in the nosotros form of the subjunctive.
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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.
Imperfect Subjunctive
yo: concertara
The imperfect subjunctive of concertar is regular based on the preterite stem: concertara, concertaras, concertara...
Affirmative Imperative
yo: concierta
The imperative uses the stem change 'ie' for most commands: concierta (tú), concierte (usted).
Negative Imperative
yo: no conciertes
The negative imperative uses the present subjunctive forms: no conciertes, no concierte, no concertemos.