Possible Results:
concentrase
-I concentrated
Imperfect subjunctive yo conjugation of concentrar.
Imperfect subjunctive él/ella/usted conjugation of concentrar.
concentra
Affirmative imperative conjugation of concentrar.

concentrar

Popularity
1,500+ learners.
TRANSITIVE VERB
(to group)-to bring together
Synonyms for concentrar
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