I have bought
He comprado un montón de libros.
I've bought a bunch of books.
He comprado una cámara de fotos muy buena.
I bought a very good camera.
I bought you something.
I bought a car.
Esta es la bolsa más cara que he comprado.
This is the most expensive bag I've ever bought.
I bought it.
También te he comprado el pañuelo de siempre, pero éste es mi regalo especial.
I also bought you the usual scarf, but this one is my special gift.
— Love Actually (2003)
Ya he comprado todos los alimentos que necesitamos.
I've already bought all the food we need.
— Laurence Anyways (2012)