Составьте схемы английских времен группы Past, приведите свои примеры употребления этих времен.

Past simple - S (subject) + V/ed (verb во 2 форме) + ...
Пример: he took a photo yesterday.

Past continues - S + to be (was/were) + Ving (verb c окончанием ing) + ...
Пример: he was taking a photo while I was cooking.

Past perfect - S + Had + V (в 3 форме) + ...
Пример: By the time I came home, he had already taken a photo.

Past perfect continues - S + had + been + Ving + ...
Пример: He had been taking this photo for 2 hours.

Как-то так.