Absolute participle clauses

Absolute Participle Clauses

Use an absolute participle clause to show that one action was completely finished before the main action happened.

Form it by placing a past participle at the beginning of the clause, immediately followed by the noun it affects. It translates roughly to "Once [X] was done..." or "With [X] completed...".

Once the population was warned, we had to evacuate the city at dawn.
Avisada a população, tivemos de evacuar a cidade de madrugada.

Agreement in Gender and Number

The past participle in these clauses acts like an adjective, so it must agree in gender and number with the noun it modifies.

Once the siren was heard, the firefighters could rescue the victims.
Ouvida a sirene, os bombeiros puderam socorrer as vítimas.
After the injured were rescued, the helicopter took off for the hospital.
Resgatados os feridos, o helicóptero descolou para o hospital.
Once the stretchers arrived, they started to rescue the inhabitants.
Chegadas as macas, começaram a socorrer os habitantes.

Using Intransitive Verbs

While often used for passive actions ("Once the victims were rescued"), you can also use this structure with intransitive verbs that do not take a direct object, like desabar (to collapse) or passar (to pass).

After the roof collapsed, they searched for the injured in the rubble.
Desabado o teto, eles procuraram os feridos nos escombros.
After the flood passed, we had to clean the rubble from the street.
Passada a inundação, tivemos de limpar os escombros da rua.

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