A
1.Mary always does her homework.
2.Mark seldom watches TV.
3.She never cooks dinner.
4.We often go to school at 8 o'clock.
5.We sometimes stay up until 10p.m.
B
1.She sometimes visits her grandparents.
2.Teacher is always busy.
3.Mark seldom does homework
4.Colin never plays at school
C
1. Susan doesn't wake up late.
2. The children doesn't watch TV.
3. Their parents don't go shopping at weekends.
4. They don't go to school at 8.30
5. Mark and Carl doesn't do their homework before dinner
6. I don't leave school at 4 p.m