(1) My sister tried to repair the cooler all day.
(2) Sidney sang for two years before she met David and they formed a band together.
(3) I studied for two hours by the time the clock struck one.
(4) When I was friends with Dinesh and Shobhna in 2009, the brother sister duo took care of animals at their shelter for ten years.
(5) Sarah practised her badminton shots for an hour.
(6) Eighty-year-old Savitri narrated stories of her childhood in Lahore to her granddaughter when the little girl asked her a question.
