1) By 9 p.m. yesterday she had done her homework. (Past Perfect) 2) At 5 o’clock yesterday she was playing the piano. (Past Continuous) 3) Father had come home by 6 (Past Perfect), and at 7 he was having dinner (Past Continuous). 4) When I met Tom (Past Simple), he was eating an ice-cream (Past Continuous) which he had bought at the corner of the street (Past Perfect). 5) When father came home (Past Simple), we were cooking the mushrooms (Past Continuous). 6) By 2 o’clock yesterday the teacher had examined all the students. (Past Perfect) 7) On my way to school I remembered (Past Simple) that I had left my books at home (Past Perfect).