Respuestas

2014-01-03T17:19:18+01:00
* Subject(sujeto): Es la persona o personas que realizan la acción.
SHE plays the guitar.
* Object (objeto): Es la persona o personas a quienes va dirijida la acción.
I like to play with Tom. (= I like to play with HIM)


La estructura para formar oraciones es voz pasiva, cuando tiene sujeto y objeto es:
Object + auxiliary + main verb in past participe + by + subject + complement (adverbs of time)

Passive Voice:
She was arrested by them last week.

Object: Her (Al iniciar la oración se coloca su sujeto: She)
Auxiliary: arresed está en pasado y "She" es singula, entoces usamos: was
Main verb in pp: arrested (el pasado participio de arrested es el mismo)
by: by
subject: They (Al final una oración se coloca su objeto: them)
Complement: last week

2) The letter was written by John
3) Ten friends were invited by them to the party.