sellar Negative Imperative Conjugation
sellar — to stamp
Negative commands use 'no' plus the present subjunctive: 'no selles' (tú), 'no selle' (usted), 'no sellemos' (nosotros), 'no sellen' (ustedes), 'no selléis' (vosotros).
sellar Negative Imperative Forms
When to Use the Negative Imperative
You use the negative imperative to tell someone NOT to do something. For 'sellar', it's a command not to stamp something.
Notes on sellar in the Negative Imperative
Sellar is regular in the negative imperative. All negative commands use the present subjunctive, so the forms follow the regular present subjunctive pattern for -ar verbs.
Example Sentences
No selles el sobre todavía, espera mi señal.
Don't stamp the envelope yet, wait for my signal.
tú
No sellen los documentos hasta que yo revise todo.
Don't stamp the documents until I review everything.
ustedes
No selléis esta caja, es para decoración.
Don't stamp this box, it's for decoration.
vosotros
No selle el pasaporte sin la firma.
Don't stamp the passport without the signature.
usted
Common Mistakes
Mistake: Using the infinitive instead of the subjunctive, like 'No sellar'.
Correct: It should be 'No selles' (for tú) or other present subjunctive forms.
Why: All negative commands in Spanish are formed using 'no' plus the present subjunctive.
Mistake: Confusing the tú and usted negative commands, using 'no selle' when meaning 'you (informal)' should not stamp.
Correct: For 'tú', use 'no selles'; for 'usted', use 'no selle'.
Why: The tú and usted forms of the present subjunctive are different.
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Related Tenses
Present
yo: sello
The present tense of sellar ('sello', 'sellas', 'sella', etc.) describes habitual actions, what's happening now, or general truths.
Preterite
yo: sellé
The preterite of sellar is regular: sellé, sellaste, selló, sellamos, sellasteis, sellaron.
Imperfect
yo: sellaba
The imperfect of sellar ('sellaba', 'sellabas', 'sellaba', etc.) describes ongoing or habitual past actions.
Future
yo: sellaré
The future tense of sellar ('sellará', 'sellaremos', etc.) indicates actions that will happen.
Conditional
yo: sellaría
The conditional of sellar ('sellaría', 'sellarías', etc.) is used for hypotheticals ('would stamp') and polite requests.
Present Subjunctive
yo: selle
The present subjunctive ('selles', 'selle', 'sellemos', etc.) is used after expressions of doubt, desire, emotion, and uncertainty.
Imperfect Subjunctive
yo: sellara
The imperfect subjunctive ('sellara' or 'sellase') expresses hypothetical situations or wishes in the past.
Affirmative Imperative
yo: sella
Use 'sella' (tú), 'selle' (usted), 'sellemos' (nosotros), 'sellen' (ustedes), 'sellad' (vosotros) for direct commands.