He was executed, taken to a secret location and cremated.

Tom's body was cremated.

I don't want to be buried or cremated when I die, but I wish to instead have my body donated to a body farm so that I can be useful even after death.

Sami wanted to be cremated.

When I die, I want to be cremated.

Tom wasn't cremated.

Tom has been cremated.

John had his body cremated and the ashes thrown into the sea.

Sami's body was cremated.

When my grandmother passed away and was cremated, her cremains fit into a small box that weighed next to nothing.