Ответ:
2.when I was playing football 3.when she was flying to London 4. when we were going through the fields 5.when I was making dinner 6.when I was walking in the garden
Объяснение:
I walking in the garden was a long process,and suddenly I saw a rainbow,so the second action happened sudenly,it is a short action,it happened while you were doing the first action-you were walking in the garden