roer Imperfect Conjugation
roer — to gnaw
The imperfect of roer is completely regular: roía, roías, roía, roíamos, roíais, roían.
roer Imperfect Forms
When to Use the Imperfect
Use this for ongoing or habitual gnawing in the past, or to describe the state of something while another action happened.
Notes on roer in the Imperfect
Roer is regular in the imperfect. Every form carries an accent on the 'í' as is standard for -er verbs in this tense.
Example Sentences
De niño, yo siempre roía los lápices.
As a child, I always used to gnaw on pencils.
yo
El perro roía su juguete mientras nosotros veíamos la tele.
The dog was gnawing his toy while we were watching TV.
él/ella/usted
Las ardillas roían las nueces en el parque.
The squirrels were gnawing the walnuts in the park.
ellos/ellas/ustedes
Common Mistakes
Mistake: Forgetting the accent on the 'i'.
Correct: Always write 'roía', 'roíamos', etc.
Why: The accent is mandatory to maintain the correct syllable stress and vowel separation.
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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).
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).
Negative Imperative
yo: no roigas
The negative imperative of roer always uses the 'roig-' stem: no roigas, no roiga, no roigamos, no roigáis, no roigan.