requerir Negative Imperative Conjugation
requerir — to require
The negative imperative uses 'no' plus the present subjunctive forms.
requerir Negative Imperative Forms
When to Use the Negative Imperative
Use this to tell someone not to require or demand something.
Notes on requerir in the Negative Imperative
Follows the same stem changes as the present subjunctive (ie for most, i for nosotros/vosotros).
Example Sentences
No requieras cosas imposibles.
Don't require impossible things.
tú
No requiera el pago todavía.
Don't request the payment yet.
No requiramos más de lo necesario.
Let's not require more than necessary.
nosotros
Common Mistakes
Mistake: Using 'no requiere' for the negative tú command.
Correct: The correct form is no requieras.
Why: Negative commands must use the subjunctive form, not the indicative.
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Related Tenses
Present
yo: requiero
Requerir follows an e to ie stem change in all forms except nosotros and vosotros.
Preterite
yo: requerí
Requerir is a 'slipper verb', changing e to i only in the third-person forms (requirió, requirieron).
Imperfect
yo: requería
The imperfect of requerir is regular: requería, requerías, requería...
Future
yo: requeriré
The future tense of requerir is regular: requeriré, requerirás, requerirá...
Conditional
yo: requeriría
The conditional of requerir is regular: requeriría, requerirías, requeriría...
Present Subjunctive
yo: requiera
Requerir changes its stem from e to ie (requiera) and e to i in the nosotros/vosotros forms (requiramos).
Imperfect Subjunctive
yo: requiriera
The imperfect subjunctive of requerir uses the 'requir-' stem derived from the preterite third person.
Affirmative Imperative
yo: requiere
The imperative uses 'requiere' for tú and 'requiera(n)' for formal commands.