costar Affirmative Imperative Conjugation
costar — to cost
The imperative of costar uses the stem-changed 'cuesta' (tú) and 'cuesten' (ustedes).
costar Affirmative Imperative Forms
When to Use the Affirmative Imperative
While rare for objects, it is used figuratively in commands or in third-person instructions (e.g., 'let it cost what it may').
Notes on costar in the Affirmative Imperative
The tú form uses the stem-changed 'cuesta'. The nosotros, usted, and ustedes forms follow the present subjunctive.
Example Sentences
Cueste lo que cueste, lo haré.
Whatever it costs (cost what it may), I will do it.
Cuesta menos, por favor (talking to a personified price).
Cost less, please.
tú
Common Mistakes
Mistake: Using 'costa' for the tú command.
Correct: cuesta
Why: The affirmative tú command usually matches the third-person singular of the present indicative.
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Related Tenses
Present
yo: cuesto
In the present tense, costar follows an o-to-ue stem change: cuesto, cuestas, cuesta, costamos, costáis, cuestan.
Preterite
yo: costé
The preterite of costar is regular: costé, costaste, costó, costamos, costasteis, costaron.
Imperfect
yo: costaba
The imperfect of costar is regular: costaba, costabas, costaba, costábamos, costabais, costaban.
Future
yo: costaré
The future of costar is regular: costaré, costarás, costará, costaremos, costaréis, costarán.
Conditional
yo: costaría
The conditional of costar is regular: costaría, costarías, costaría, costaríamos, costaríais, costarían.
Present Subjunctive
yo: cueste
The present subjunctive follows the o-to-ue stem change: cueste, cuestes, cueste, costemos, costéis, cuesten.
Imperfect Subjunctive
yo: costara
The imperfect subjunctive of costar is regular: costara, costaras, costara, costáramos, costarais, costaran.
Negative Imperative
yo: no cuestes
The negative imperative uses the present subjunctive: no cuestes, no cueste, no costemos, no costéis, no cuesten.