morder Negative Imperative Conjugation
morder — to bite
Negative commands use the present subjunctive: no muerdas, no muerda, no mordamos.
morder Negative Imperative Forms
When to Use the Negative Imperative
Use this to tell someone (usually a dog or a child) not to bite.
Notes on morder in the Negative Imperative
Like the present subjunctive, it uses the 'muerd-' stem except for nosotros and vosotros.
Example Sentences
¡No me muerdas!
Don't bite me!
tú
No muerda la pluma, señor.
Don't bite the pen, sir.
No mordáis las uñas.
Don't bite your nails (plural/informal).
vosotros
Common Mistakes
Mistake: no muerde
Correct: no muerdas
Why: Negative commands must use the subjunctive form, not the indicative.
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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.
Imperfect
yo: mordía
Morder is regular in the imperfect: mordía, mordías, mordía, mordíamos, mordíais, mordían.
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.