Past Simple vs Past Continuous

Which tense used to talk about something that was happening in the past

Which tense used to talk about completed action?

Which tense used to talk about series of actions (ended in the past)

Which tense used to talk about completed action?

Which tense used to talk about repeated action in the past

Which tense used to talk about background scene to an event

Which tense used to use when we want to talk about an activity without focusing on its completion

Which tense used to talk about habits

Which tense used to talk about something at the moment