1. While I was writing the email, the computer suddenly went off – Пока я писал письмо, компьютер вдруг выключился.

2. Some were swimming in the lake while others were lying in the sun – Некоторые плавали в озере, в то время как другие загорали.

3. Petr wasn't working, and I wasn't working either – Петр не работал, и я тоже не работал.

4. Caroline wasn't cooking at that moment – В тот момент Каролина не готовила.

5. Was she talking to Mary when you called her? – Она разговаривала с Марией, когда ты позвонил ей?