Possible Results:

había prolongado

Past perfectyoconjugation ofprolongar.

había prolongado

-he/she/you had extended

Past perfectél/ella/ustedconjugation ofprolongar.

prolongar

to extend

TRANSITIVE VERB

(to increase in duration)-to extend

Synonyms for prolongar

Antonyms for prolongar

TRANSITIVE VERB

(to increase in length)-to lengthen

Synonyms for prolongar

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