The Past Perfect Continuous Tense (прошедшее совершенное длительное время) — выражает действие, которое началось до определённого момента в прошлом и продолжалось до этого определённого момента.
Образуется the Past Perfect Continuous Tense с помощью вспомогательного глагола to have в форме прошедшего времени + причастия прошедшего времени Participle II глагола to be + причастия настоящего времени Participle I смыслового глагола.
had been + ing (Participle I)
|Affirmative (утвердительные)||Negative (отрицательные)||Interrogative (вопросительные)|
|I had been playing.||I had not been playing.||Had I been playing?|
|He had been playing.||I had not been playing.||Had I been playing?|
|She had been playing.||She had not been playing.||Had she been playing?|
|It had been playing.||It had not been playing.||Had it been playing?|
|We had been playing.||We had not been playing.||Had we been playing?|
|You had been playing.||You had not been playing.||Had you been playing?|
|They had been playing.||They had not been playing.||Had they been playing?|
had been → ‘d been
had not been → hadn’t been
I had been playing Starcraft for two hours when Sean came. → I‘d been playing Starcraft for two hours when Sean came.
Очень часто the Past Perfect Continuous Tense используется с since и for:
I had been reading the book for two hours when mother came yesterday. Я читал книгу уже два часа, когда пришла мама вчера.
I had been reading the book since dusk when mother came in the morning. Я читал книгу с вечера, когда пришла мама вчера.