Respuestas
El presente perfecto:
se forma con have / has más el participio pasado.
He’s seen that film several times.
We’ve been to Germany twice.
I’ve just spoken to my boss.
She’s worked at that company for 10 years.
Aquí los participios pasados son seen, been, spoken y worked.
Ahora, otro tiempo verbal importante, el pasado perfecto…
Pasado perfecto:
El pasado perfecto se forma con had más el participio pasado.
I had met her before that night.
Peter had already left when I arrived.
They had already reached the top of the mountain when the sun went down.
Aquí los participios pasados son met, left y reached.
Futuro perfecto:
I will have finished by Friday.
They will have left by the time I arrive.
Aquí es un verbo regular, finished, y otro irregular, left.
Presente Simple pasivo:
El presente simple pasivo siempre tiene am / is / are más el participio pasado.
Rice is grown in China.
Portuguese is spoken in Brazil.
Those shoes are made of leather.
Aquí los participios pasados son grown, spoken y made.
Pasado simple pasivo:
El pasado simple pasivo siempre tiene was / were más el participio pasado.
That book was written in the 60s.
The cake was made by my mother.
Those houses were built very recently.
Aquí los participios son made, written y built.