1. Our family eats dinner at home on Saturdays and
Sundays.
2. Our family has eaten dinner at home since grandma came to
live with us.
3. I know Alice very well.
4. I've known Alice since
school time.
5. Mr. Brook is our English teacher.
6. Mr. Brook has been our English teacher for a year.
7. They have been married for 10
years.
8. They are married.
9. Have you lived in Moscow all your
life?
10. Do you live in Moscow?
11. Has he worked at this office long?
12. Does he work at this office?