How do you conjugate Costar in the imperfect tense?

Costar is regular in the imperfect tense

See the tables below for the full conjugations in both positive and negative forms.

Costar Imperfect Verb Conjugations

Spanish English
yo costaba I was costing, I used to cost
costabas you were costing, you used to cost
él costaba he/she/it was costing, he/she/it used to cost
nosotros costábamos we were costing, we used to cost
vosotros costabais you were costing, you used to cost
ellos costaban they were costing, they used to cost

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Negative Costar Imperfect Verb Conjugations

Spanish English
yo no costaba I was not costing, I never used to cost
no costabas you were not costing, you never used to cost
él no costaba he/she/it was not costing, he/she/it never used to cost
nosotros no costábamos we were not costing, we never used to cost
vosotros no costabais you were not costing, you never used to cost
ellos no costaban they were not costing, they never used to cost