Past Perfect

have done

had done

had did

When I got to the cinema, the film had already begun

When I got to the cinema, the film had yet begun

When I got to the cinema, the film had already began

Had you finished your work by the time 7pm?

Had you finished your work after 7pm?

Had you finished your work before 7pm?

Had you eat all sweets before we arrived?

Had you eaten all sweets before we arrived?

Did you eaten all sweets before we arrived?