1. By eight o'clock yesterday I had done my homework and at eight I was playing the piano. 2. By six o'clock father had come home and at six he was having dinner. 3. By nine o'clock yesterday grandmother had washed the dishes and at nine she was watching TV. 4. When I met Tom, he was eating an ice-cream which he had bought at the corner of the street. 5. When I came home, my sister was reading a book which she had brought from the library. 6. When mother came home, the children were eating the soup which she had cooked in the morning. 7. When I rang up Mike, he was still learning the poem which he had begun learning at school. 8. When I looked out of the window, the children were playing football.