Choose the correct time phrase and complete the sentences. Use the past simple,
past continuous or past perfect form of the verb in brackets.
1 While / After we had written the report, we ____________ (find) some new information.
2 By the time / While they won the prize, they ____________ (be) famous for many years.
3 When you called me, I ____________ (make) dinner and / when feeding the cat at the same time.
4 Before / When Tom heard the news, he nearly ____________ (drop) his phone!
5 Luckily, they ____________ (finish) the match before / after it started to rain.
6 I discovered the mistake while / by the time I ____________ (check) the data.