1.Sam and Tony have ever/never bought anything from a book shop before.
2. How long / So far have children been celebrating Halloween party?
3. John is not here. He's just/yet gone out.
4. We travelled a lot some months since/ ago.
5. My niece has already / yet been to bazaar.
6. His nephew went to the bucher's ago / last Sunday.
7. Have you ever /never been to the florist's?