G13 · Gramática

Passive Voice — Simple Forms

Quando usamos a voz passiva?

Usamos a voz passiva quando o agente (quem faz a ação) é desconhecido, óbvio ou menos importante do que o objeto da ação.

Active: They built the bridge in 1920.

Passive: The bridge was built in 1920. (o agente não é importante)

The president was elected by millions of people.

Formação: to be + past participle

Voz passiva = sujeito + to be (conjugado) + past participle. O agente, se mencionado, usa by.

Present: The letter is written in English.

Past: The cake was eaten by the children.

Future: The results will be published tomorrow.

Present Perfect: The order has been placed.

Como transformar active → passive

1. O objeto da ativa torna-se sujeito da passiva. 2. Use be + past participle. 3. O sujeito original pode ser mencionado com 'by'.

Active: Shakespeare wrote Hamlet.

Passive: Hamlet was written by Shakespeare.

Active: Someone stole my bike.

Passive: My bike was stolen.

Erros comuns

As armadilhas clássicas para falantes de português

Estes são os erros mais frequentes dos falantes de português neste ponto.

The cake was ate.
The cake was eaten.
Use o particípio passado — não o past simple.
The film is made by them yesterday.
The film was made by them yesterday.
Com referência temporal no passado → was/were.
It was builded in 1900.
It was built in 1900.
'Build' é irregular: build → built → built.

Resumo: Voz Passiva

Presente
am/is/are + past participle
It is made in Portugal.
Passado
was/were + past participle
It was built in 1900.
Futuro
will be + past participle
It will be announced.
Present Perfect
has/have been + past participle
It has been sold.
Agente
by + agente
...by Shakespeare.
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