Question

Alguém me ajuda com essa atividade.
Voz passiva e ativa (Presente e Passado).

Exemplo:
ATIVA:
Presente: Jonh delivers the mail.
Passado: Jonh delivered the mail.

PASSIVA:
Presente: The mail is delived by Jonh.
Passado: The mail Was delivered by Jonh.

Answer 1

1 - Accidents are caused by negligence

2 - The zone layer is destroyed by CO2

1 - our exercises are corrected by the teacher at home

2 - The export division is managed by Mr. Jones

3 - A fantasy may be created

1 - That letter was written by John

2 - That house was destroyed by fire

3 - Last week a dancing class was started by them

4 - The accident was seen by Mr. Smith