I run three times a week. It keeps me healthy (D)
I run three times a week, which keeps me healthy.
My friend Jade opposes GM crops. She’s an environmental scientist. (ND)
My friend Jade, who is an environmental scientist, opposes GM crops.
I met a boy. His father has been to space. (D)
I met a boy whose father has been to space.
Here's the money. I owe it to you (D)
Here's the money (that) I owe you.
Tim has short blonde hair. He is very good at sports (ND)
Tim, who has short, blond hair, is very good at sport.
Jim is in the kitchen. He is talking in the phone (ND)
Jim, who is in the kitchen, is talking on the phone.
The picture has mountains. I painted it (ND)
The picture, which has mountains, was painted by me.
The church is very old. We visited it yesterday (D)
The church which we visited yesterday is very old.
