activaran

form-of imperfect plural subjunctive third-person

activarの三人称複数過去未完了接続法

English Meaning

third-person plural imperfect subjunctive of activar

Si ellos activaran el sistema de alarma, habríamos prevenido el incendio.

もし彼らが警報システムを作動させたなら、火事は防げたでしょう。

If they had activated the alarm system, the fire would have been prevented.