Compléter Make the past perfect continuous or the past simple:Version en ligne Make the past perfect continuous or the past simple: par Central Academy 1 The old man ( to fish ) as usual when he ( to see ) something strange . 2 Ella ( to look ) through old photos when she ( to hear ) a knock on the door . 3 By that evening , children ( to be ) exhausted because they ( to walk ) all day . 4 The prince ( to search ) in the forest for ten hours and ( to be ) to lose hope . 5 He ( to notice ) that somebody ( to leave ) a briefcase .