Have you ever worked in a shop?
I worked at my uncle 's shop when I was younger.
It's the first time I have been on a ship.
Ann is looking for her key. She can't find it. She has lost her key.
Look! Somebody has spilt ink on the notebook.
Have you had a holiday this year yet?
Have you seen any good films recently?
He hasn't had any problems since he came here.