This document discusses the structure of passive voice constructions in English and provides examples for each tense. It explains that in the passive voice, the object of the active sentence becomes the subject and the subject performs the action. Structures given for the present continuous, future, past continuous, and past perfect passive voices all involve some form of the verb "to be" plus the past participle. Examples are given to illustrate the transformation from active to passive voice for each tense.

2. Cuando queremos resaltar la importancia de
quién recibe la acción. El objeto pasa a ser sujeto
de la oración.
Ejemplo:
Activa: They made this house (objeto) in 1985.
Pasiva: The house (sujeto) was made in 1985

3. Con el verbo “TO BE” (ser) + participio.

4. Presente Continuo
Estructura
am/are/ is being + participio pasado
Ejemplo:
Activa: Peter is writing the letter.
Pasiva: The letter is being written by Peter.

5. Futuro ( Going to)
Estructura
Am/are/is going to be+ participio pasado
Ejemplo:
Activa:Peter is going to write the letter.
Pasiva:The letter is going to be written by Peter.

6. Pasado continuo
Estructura
was/were being+ participio pasado
Ejemplo:
Activa: Peter was writing the letter.
Pasiva: The letter was being written by Peter.

7. Pasado perfecto
Estructura
had been + participio pasado
Ejemplo:
Activa: Peter had written the letter.
Pasiva: The letter had been written by Peter.