1.-(activa) - Did George Orwell also write Animal Farm?
To be = pasado simple = was / were
Verbo = write = written
(pasiva) - Was Animal Farm also written by George Orwell?
2.- (activa)How many children have the police recruited?
¿Cuántos chavales ha reclutado la policía?
(pasiva) How many children have been recruited by the police?
¿cuántos chavales han sido reclutados por la policía?
3.- (activa) Are they creating a police state?
¿Están creando un estado policial?
(pasiva) Is a police state being created (by them)?
¿Está siendo creado un estado policial?
4.- (activa) Has anybody signed the documents yet?
¿Ha firmado alguien los documentos ya?
(pasiva) Have the documents been signed (by anybody) yet?
¿Han sido firmados los documentos ya por alguien?