2) — Have you ever (be) to the theatre?
— Yes, I (have).
- When (be) you there?
- I (be) there yesterday.
— Who (take) part in the performance?
–
A lot of actors (do).

Ответ:

Have you ever been to the theatre?  

— Yes, I have.

- When were you there?

- I was there yesterday.

— Who did take part in the performance?

- A lot of actors did.

Объяснение: