roer Imperfect Subjunctive Conjugation
roer — to gnaw
The imperfect subjunctive of roer uses the 'roy-' stem: royera, royeras, royera, royéramos, royerais, royeran.
roer Imperfect Subjunctive Forms
When to Use the Imperfect Subjunctive
Use this for hypothetical 'if' situations or past requests involving gnawing, like 'If the rats gnawed the wood, the house would fall.'
Notes on roer in the Imperfect Subjunctive
This tense is derived from the third-person plural preterite (royeron), so it maintains the 'y' spelling change throughout.
Example Sentences
Si el perro royera el sofá, me enfadaría.
If the dog gnawed the sofa, I would get angry.
él/ella/usted
Ojalá no royeran tanto las ardillas.
I wish the squirrels wouldn't gnaw so much.
ellos/ellas/ustedes
Si yo royera este hueso, me rompería un diente.
If I gnawed this bone, I would break a tooth.
yo
Common Mistakes
Mistake: Writing 'roiera' with an 'i'.
Correct: Use 'royera' with a 'y'.
Why: Like the preterite, the 'i' becomes a 'y' because it is between two vowels.
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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.
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.