Поведайте как появляется время Past Continuos. Приведите свой пример.

Для образования прошедшего продолженного времени мы используем вспомогательный глагол was/were + Ving.

I was talking on the phone when my mother came.

Betsy was cooking while Mark was writing a report.

The children were playing in the yard when their mother called them for lunch.

Susan was having breakfast at 8 oclock yesterday.

Mary was doing her morning exercises when she heard a strange noise outside.

В сложных предложениях после when употребляется Past Simple, а после while Past Continuous.