establecer Present Conjugation
establecer — to establish
Establecer is irregular in the 'yo' form (establezco), but regular for all other persons.
establecer Present Forms
When to Use the Present
Use the present tense to discuss current rules, laws being implemented, or habitual connections you are making right now.
Notes on establecer in the Present
This verb follows the -ecer pattern. In the first person singular (yo), the 'c' changes to 'zc' to maintain the soft 's' sound before an 'o'.
Example Sentences
Yo establezco las reglas en esta casa.
I establish the rules in this house.
yo
Ellos establecen un nuevo récord cada año.
They establish a new record every year.
ellos/ellas/ustedes
Nosotros establecemos una buena relación con los clientes.
We establish a good relationship with the customers.
nosotros
Common Mistakes
Mistake: yo establezo
Correct: yo establezco
Why: Verbs ending in -ecer require a 'zc' in the 'yo' form to preserve the phonetic sound.
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Related Tenses
Preterite
yo: establecí
The preterite of establecer is completely regular: establecí, estableciste, estableció, etc.
Imperfect
yo: establecía
The imperfect of establecer is regular: establecía, establecías, establecía, establecíamos, establecíais, establecían.
Future
yo: estableceré
The future tense is regular: add the endings -é, -ás, -á, -emos, -éis, -án to the infinitive establecer.
Conditional
yo: establecería
The conditional is regular: add -ía, -ías, -ía, -íamos, -íais, -ían to the infinitive establecer.
Present Subjunctive
yo: establezca
The present subjunctive uses the irregular 'establezc-' stem for all persons.
Imperfect Subjunctive
yo: estableciera
Formed using the preterite stem: estableciera, establecieras, estableciera, etc.
Affirmative Imperative
yo: establece
The imperative uses 'establece' for tú and 'establezca' for formal/plural commands.
Negative Imperative
yo: no establezcas
Negative commands always use the present subjunctive forms: no establezcas, no establezca, etc.