Question

Complete the past simple questions
1 When ... (you/begin) these exercise?
2. When ... (you/start) at these school?
3. When ... (you/go) on holiday?
4. When ... ( you/celebrate) your birthday?
5. When ...(you/watch) a film?

Answer 1

1. did you begin
2. did you start
3. did you go
4. did you celebrate
5. did you watch

Answer 2

просто после when поставь везде did и раскрой скобки,вот и все