Past Simple
Question Word+did/+full Verb
QW+was/were
Ex: When did you come home yesterday?
Where were you last week?
Past Continuos
QW+was/were+Ving
What were you doing at 6 o'clock yesterday? (Обязательно в паст континьюс указывается период действия, так как оно продолжительно)
Past Perfect
QW + had+Ved past participle
Who had left, when u arrived at the party? (Одно действие предшествует другому)