Раскройте скобки в the Past Continuous Tense и the Past Sumple

Раскройте скобки в the Past Continuous Tense и the Past Sumple Tencse так, чтоб глаголы грамматически подходили содержанию предложений.

1) While I ...(watch) television, the teltphone ...(ring).
2) When the telephone ...(ring), I ...(switch) off the TV.

3) As I ...(go) to shool, my friend ...(see) me.

4) When I ...(see) my friend, I ...(say) "Hello".

5) It ...(start)to rain, while we ...(wait) for the bus.

6) When it ...(start) to rain, I ...(put) my coat on.

7) Peter ...(carry) the cat, when it ...(scratch) him.

8) When the cat ...(scratch) Peter, he ...(fall) off the ladder.

Помогите пожалуйста. Заблаговременно спасибо