1.Had the pupils translated the text before the bell rang? The pupils hadn't translated the text before the bell rang.2.Had Kate done her lessons by eight o'clock?Kate hadn't done her lessons by eight o'clock.3.Had Peter studied English before he entered the institute?Peter hadn't studied English before he entered the institute.4.Had the girls cleaned the room by the time their mother came back.The girls hadn't cleaned the room by the time their mother came back.5.Had we reached the village before the sun set.We hadn't reached the village before the sun set.