encerrar Present Subjunctive Conjugation
encerrar — to lock up
The present subjunctive follows the e-to-ie stem change of the present indicative for all forms except nosotros and vosotros.
encerrar Present Subjunctive Forms
When to Use the Present Subjunctive
Use this after expressions of desire, doubt, or necessity, such as 'Espero que...' or 'Es necesario que...'.
Notes on encerrar in the Present Subjunctive
The stem change (e to ie) occurs in the same 'boot' pattern as the present indicative.
Example Sentences
Espero que no me encierren aquí.
I hope they don't lock me in here.
ellos/ellas/ustedes
Es mejor que encierres al perro antes de que lleguen.
It's better that you lock up the dog before they arrive.
tú
Common Mistakes
Mistake: que nosotros encierremos
Correct: que nosotros encerremos
Why: The nosotros form does not take the stem change in the present subjunctive for -ar verbs.
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Related Tenses
Present
yo: encierro
Encerrar is a stem-changing verb (e to ie) in the present tense, except for nosotros and vosotros.
Preterite
yo: encerré
Encerrar is completely regular in the preterite; it does NOT have a stem change here.
Imperfect
yo: encerraba
Encerrar is regular in the imperfect: encerraba, encerrabas, encerraba, encerrábamos, encerrabais, encerraban.
Future
yo: encerraré
The future of encerrar is regular: just add the endings (é, ás, á, emos, éis, án) to the infinitive.
Conditional
yo: encerraría
The conditional of encerrar is regular: encerraría, encerrarías, encerraría, encerraríamos, encerraríais, encerrarían.
Imperfect Subjunctive
yo: encerrara
The imperfect subjunctive is regular based on the third-person plural preterite: encerrara, encerraras, encerrara...
Affirmative Imperative
yo: encierra
Use 'encierra' for tú and 'encierre' for usted to give direct orders to lock something up.
Negative Imperative
yo: no encierres
Negative commands use 'no' plus the present subjunctive forms: no encierres, no encierre.