-ar verb irregular · stem-changing o>ue Intermediate

costar — Imperfect (Imperfecto)

to cost

The imperfect conjugation of costar (irregular stem-changing o>ue, ranked #118). Describes habitual past actions, background context, and ongoing states. Key signals: siempre, normalmente, cuando era niño.

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Pronoun Imperfect conjugation
yo costaba
costabas
él/ella/Ud. costaba
nosotros costábamos
vosotros costabais
ellos/ellas/Uds. costaban

* Red forms deviate from the regular -ar imperfect pattern.

Example sentence

Antes yo costaba con frecuencia.

Before, I used to cost often.

Other tenses of costar

See full conjugation table for costar →

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