Время Past Continuous образуется was/were + глагол с окончанием -ing WAS ставим с I, he, she, it Were - с we, you и they Используем это время, когда действие происходило (продолжалось) в определенный момент (или период) в прошлом. Например, I was playing computer games at 5 o'clock yesterday. или We were playing computer games since 5 till 6 o'clock yesterday. Либо когда одно действие прервало другое - I was playing computer games when my mother came home. Вопрос: Was she playing computer games at 3 o'clock yesterday? - was или were ставим на первое место. Отрицательное предложение: She wasn't playing computer games at 3 o'clock yesterday. They were not playing computer games at 3 o'clock yesterday.