Past Simple Passive/Past Simple Active. 1. Harry Potter (write) by Joanne Rowling. 2. The clown (entertain) the public. 3. We (arrive) at the camp in time. 4. Many experiments (do) under water. 5. Many people (invite) to the festival. 6. They (discuss) many exciting things. 7. I (learn) many interesting things in this unit.

дам 15 баллов!!

Ответ:

1. Harry Potter was writen by Joanne Rowling. - Past Simple Passive
2. The clown entertained the public. - Past Simple Active
3. We arrived at the camp in time. - Past Simple Active
4. Many experiments were done under water. - Past Simple Passive
5. Many people were invited to the festival. - Past Simple Passive
6. They discussed many exciting things. - Past Simple Active
7. I learnt many interesting things in this unit. - Past Simple Active

Объяснение:

В пассивном залоге действие совершается над подлежащим.
Для образования пассивного залога используется вспомогательный глагол to be  в нужной временной форме.