· La voz pasiva se forma con el verbo 'to be' y el participio pasado.

- They built this house in 1983. (active) This house was built in 1983. (passive)
 

PRESENT SIMPLE Spanish is spoken here. PRESENT CONTINUOUS  Your questions are being answered. FUTURE (WILL) It’ll be painted by next week. FUTURE (GOING TO) Terry is going to be made redundant next year. PAST SIMPLE We were invited to the party, but we didn’t go. PAST CONTINUOUS The hotel room was being cleaned when we got back. PRESENT PERFECT The President of America has been shot. PAST PERFECT When he got home he found that all of his money had been stolen. FUTURE PERFECT Our baby will have been born before Christmas.