I. Now he studies English but at school he studied French.
2. Now he often sleeps in the daytime but he never slept in the daytime before.
3. Now she knows something about the life of these people but before she came to live here she didn't know anything about it.
4. Now I like classical music but when I was 18 I liked pop and rock music.
5. I am a student now but last year I was a schoolboy/schoolgirl.
6. He leaves home at 8 oclock in the morning but when he lived in the country he had to leave home at 7 a.m.
7. He doesn't smoke now but only a few months ago he smoked 10 cigarettes a day.
8. She seldom writes to me now but there was a time when she wrote a letter a week.
9. This year we go to the cinema at weekends but last year we didn't go to the cinema.
10. We usually watch TV in the evening but last night we went for a walk.