present continuous
That's the orange cat which is lying on the tree.
teacher/America
She's the teacher who is from America.
farmer/tractor (present continuous)
He's the farmer who is sitting on the tractor.
cupcake/have/bluberry/tasty
Cupcakes which have blueberries are tasty.
like/burgers
I like burgers which have bacon.
David/dog/big
David has a dog which is very big.
always buy/supermarket
These are the magazines which I always buy from the supermarket.
students/ ride bicycles (present continuous)
They're the students who are riding bicycles.