1. Have you ever been....
2. But I have never ridden
3. Have you ever visited...
4. I have never seen...
Henry hasn't driven a car but he has driven a bike.
Mr. and Mrs. Wilson haven't bought a new flat but they have bought a new house.
Jimmy hasn't tasted strawberries but he has tasted watermelon.
Lee hasn't been to Paris but he has been to London.