costar
to cost
đ costar is a stem-changing verb (o-ue). Learn more in our Stem-Changing Verbs Guide
Non-Conjugated Forms
costar
to cost
costando
Present Participle
costado
Used in perfect tenses
Indicative Mood
Used for statements of fact, certainty, and objective reality
| Person | |||||
|---|---|---|---|---|---|
| yo | cuesto | costĂ© | costaba | costarĂ© | costarĂa |
| tĂș | cuestas | costaste | costabas | costarĂĄs | costarĂas |
| Ă©l/ella/usted | cuesta | costĂł | costaba | costarĂĄ | costarĂa |
| nosotros | costamos | costamos | costĂĄbamos | costaremos | costarĂamos |
| vosotros | costĂĄis | costasteis | costabais | costarĂ©is | costarĂais |
| ellos/ellas/ustedes | cuestan | costaron | costaban | costarĂĄn | costarĂan |
| Quick Test | Quick Test | Quick Test | Quick Test | Quick Test |
Perfect Tenses
Compound tenses using auxiliary verb "haber" + past participle
| Person | ||||
|---|---|---|---|---|
| yo | he costado | habĂa costado | habrĂ© costado | habrĂa costado |
| tĂș | has costado | habĂas costado | habrĂĄs costado | habrĂas costado |
| Ă©l/ella/usted | ha costado | habĂa costado | habrĂĄ costado | habrĂa costado |
| nosotros | hemos costado | habĂamos costado | habremos costado | habrĂamos costado |
| vosotros | habĂ©is costado | habĂais costado | habrĂ©is costado | habrĂais costado |
| ellos/ellas/ustedes | han costado | habĂan costado | habrĂĄn costado | habrĂan costado |
| Quick Test | Quick Test | Quick Test | Quick Test |
Subjunctive Mood
Used for doubt, emotion, desire, possibility, and hypothetical situations
| Person | ||
|---|---|---|
| yo | cueste | costara |
| tĂș | cuestes | costaras |
| Ă©l/ella/usted | cueste | costara |
| nosotros | costemos | costĂĄramos |
| vosotros | costéis | costarais |
| ellos/ellas/ustedes | cuesten | costaran |
| Quick Test | Quick Test |
Imperative Mood
Used for commands, requests, and instructions
| Person | |
|---|---|
| yo | - |
| tĂș | cuesta |
| Ă©l/ella/usted | cueste |
| nosotros | costemos |
| vosotros | costad |
| ellos/ellas/ustedes | cuesten |
| Quick Test |
đŻ Practice costar
Test your knowledge of costar conjugations across multiple tenses
Stem Change Pattern: o-ue
This verb follows the o-ue pattern. The stem change occurs in present indicative and present subjunctive, affecting the "boot" forms (yo, tĂș, Ă©l/ella/usted, ellos/ellas/ustedes). Some -ir verbs also have stem changes in preterite (Ă©l/ella and ellos/ellas forms).
Usage Tips
- Indicative: Use for facts, statements, and objective reality
- Subjunctive: Use after expressions of doubt, emotion, desire, or uncertainty
- Imperative: Use for direct commands and requests
- Perfect Tenses: Use to express actions completed relative to another time
Examples and Common Phrases
Examples
Common Phrases
Verb Information
Category
Shopping
Ending Type
-ar verb
Verb Type
Stem-changing verb
Importance Rank
#59 out of 100
Usage Tips
Remember the "Boot"
Stem-changing verbs change in a "boot" shape: yo, tĂș, Ă©l/ella, and ellos/ellas change, but nosotros and vosotros don't. Draw a boot around the changing forms to remember!
Practice Suggestion
Try creating your own sentences with this verb. Start with simple present tense sentences and gradually work up to more complex constructions.