I was sleeping when you came in. Dormeam cand ai intrat.
My parents were reading when I arrived. Parintii mei citeau cand am ajuns.
The phone was ringing when he left. Telefonul suna cand ai plecat.
They where running when they met. Alergau cand s au intalnit.
My sister was swimming when it started to rain. Sora mea inota cand a inceput sa ploua.