ostacolassero

form-of imperfect plural subjunctive third-person

ostacolareの三人称複数接続法過去

English Meaning

third-person plural imperfect subjunctive of ostacolare

Se le autorità ostacolassero l'avanzamento dei lavori, il progetto avrebbe subito ritardi significativi.

もし当局が作業の進捗を妨げたなら、プロジェクトは大幅な遅延を被っただろう。

If the authorities hindered the progress of the work, the project would have experienced significant delays.