
roer Negative Imperative Conjugation
roer — to gnaw
The negative imperative of roer always uses the 'roig-' stem: no roigas, no roiga, no roigamos, no roigáis, no roigan.
roer Negative Imperative Forms
When to Use the Negative Imperative
Use this to tell someone (or a pet) NOT to gnaw on something.
Notes on roer in the Negative Imperative
All negative commands for roer are identical to the present subjunctive forms.
Example Sentences
¡No roigas el cable, Firulais!
Don't gnaw the cable, Firulais!
tú
No roiga usted esa madera, es tóxica.
Don't gnaw that wood, sir; it's toxic.
No roigáis las uñas.
Don't bite/gnaw your nails, you guys.
vosotros
Common Mistakes
Mistake: Saying 'no roas' for the negative tú command.
Correct: The correct form is 'no roigas'.
Why: Negative commands must use the subjunctive stem, which for roer is 'roig-'.
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Related Tenses
Present
yo: roigo
The present tense of roer is irregular in the 'yo' form (roigo), but otherwise follows regular -er patterns.
Preterite
yo: roí
The preterite of roer features spelling changes where 'i' becomes 'y' in the third person (royó, royeron).
Imperfect
yo: roía
The imperfect of roer is completely regular: roía, roías, roía, roíamos, roíais, roían.
Future
yo: roeré
The future tense of roer is regular: roeré, roerás, roerá, roeremos, roeréis, roerán.
Conditional
yo: roería
The conditional of roer is regular: roería, roerías, roería, roeríamos, roeríais, roerían.
Present Subjunctive
yo: roiga
The present subjunctive of roer follows the 'roig-' stem: roiga, roigas, roiga, roigamos, roigáis, roigan.
Imperfect Subjunctive
yo: royera
The imperfect subjunctive of roer uses the 'roy-' stem: royera, royeras, royera, royéramos, royerais, royeran.
Affirmative Imperative
yo: roe
The imperative of roer uses 'roe' (tú) and the irregular 'roiga' (usted/ustedes).