Нужно поставить слова в скобках в past indefinite , past perfect , или в past continuous . he ( to read) this evening paper as usual when a friend of his ( to call) him . she ( to look) through the window and ( not to seem) to notice me . i ( to leave) the house when remembered that i ( to forget) my umbrella at home. the boys were tired because they ( to play ) football. at last i ( to find) the book which i ( to look) for all day.