He used to clean all our shoes and put them along the floor.

And for a while, she used to clean right here.

She didn't know what means these people used to clean themselves.

But so are some of the products you use to clean it.

The place she's taking me is the house I used to clean.

"I used to clean once every three years," he said.

The stuff we use to clean the oven is really bad for the environment.

I used to clean them myself, but I'm getting rather old, you see.

I used to clean them, you know, to put myself through school and help pay the rent.

But we used to clean the shop ready for the morning.