te dejo unos links, para que elijas tu lo que creas adecuado:


espero que te sirva. saludos

Past perfect:

I have been in London.
She has seen the birds.
They have gone to buy some food.
He has read a lot of books.
I have bought some CDs.

Past simple:
Yesterday I was sleeping in my bed.
I saw my teacher in s bar.
He told me He was very bored.
I went to Paris.
He caught the ball.