
morder Imperfect Conjugation
morder — to bite
Morder is regular in the imperfect: mordía, mordías, mordía, mordíamos, mordíais, mordían.
morder Imperfect Forms
When to Use the Imperfect
Use the imperfect to describe a past habit (like biting your nails as a kid) or an ongoing state in the past.
Notes on morder in the Imperfect
Morder is regular in the imperfect. All forms use the 'mord-' stem followed by the standard -er imperfect endings.
Example Sentences
De niño, yo siempre mordía mis lápices.
As a child, I always used to bite my pencils.
yo
El perro mordía todo lo que encontraba.
The dog would bite (used to bite) everything he found.
él/ella/usted
Nosotros nunca mordíamos a otros niños.
We never used to bite other children.
nosotros
Common Mistakes
Mistake: mordaba
Correct: mordía
Why: Morder is an -er verb, so it takes -ía endings, not the -aba endings used for -ar verbs.
Master Spanish verbs in context
Memorizing tables only gets you so far. Read 200+ illustrated and narrated Spanish stories to see verbs like 'morder' used naturally — in the tenses you're learning.
Related Tenses
Present
yo: muerdo
Morder follows an O to UE stem change in all forms except nosotros and vosotros.
Preterite
yo: mordí
Morder is completely regular in the preterite, following standard -er endings.
Future
yo: morderé
The future of morder is regular: add endings to the full infinitive.
Conditional
yo: mordería
The conditional of morder is regular: mordería, morderías, mordería, etc.
Present Subjunctive
yo: muerda
Morder keeps its O to UE stem change in the subjunctive, except for nosotros and vosotros.
Imperfect Subjunctive
yo: mordiera
The imperfect subjunctive uses the 'mordie-' stem: mordiera, mordieras, mordiera...
Affirmative Imperative
yo: muerde
Use 'muerde' for informal commands and 'muerda' for formal ones.
Negative Imperative
yo: no muerdas
Negative commands use the present subjunctive: no muerdas, no muerda, no mordamos.