2

was eating, knocked

came

was studying, came

was studying, dropped by

called, were watching

came, was talking

went

saw

were walking, began, stopped, had

went

got, was

was planting

was

was working

was changing

3

had worried, heard

was, had thought

had shot

drank, had finished  

had just folded, opened, entered

had brought

had worked, decided

arrived, had already gone

waited, had finished

had left, finished

had bought, went

had just turned off, rang