Respuestas
la voz pasiva es la comb inacion de el verbo to be con un pasado participio, empecemos con presente pasivo:
Tourists are conquered for Mexican food (los turistas son conquistado por la cocina mexicana)
It is cooked in the kitchen (eso es cocinado en la cocina)
para formar el negativo solo coloca la palabra not despues de are y de is
para preguntar pasamos el are y el is al principio de la oracion:
are tourists conquered for mexican food?
Is it cooked in the kitchen?
para pasado solo colocamos el verbo to be (is, are) en pasado (was/were)
Mexico was grown the coffee (en mexico fue cultivado el cafe)
they were brought from Honduras (fueron traidos de Honduras)
para negar escribe not despues de was y were
para preguntar escribe el was y el were al principio
Positive
This belt is made of leather.
The newspaper articles are written by the students.
Negative
This belt isn’t made of plastic.
The newspaper articles aren’t written by the teachers.
Yes/No questions
Is the bag made of plastic?
Yes, it is/No, it isn’t.
Were the photos taken by your friends?
Yes, they were/No, they weren’t.