Bonjour pouvez vous m’aidez s’il vous plaît ?

Complete the sentences in the Past Perfect Simple,
1. We ate cherries from the tree that my grandfather (plant) many years before.

2. When we arrived, the show (start/already).

3. We went to a place where I (be/never) before.

4. The teacher wanted to know whether we (read) the book.

5. Yesterday I met a friend that I (see/not) for ages.