5.
1 - no he isn't
2 - no I don't
3 - yes she is
4 - no they don't
5 - no I'm not
6 - yes he does
6.
1. Liza is going shopping tomorrow
2. Bob brushes his teeth twice a day
3. I learn English every day
4. Pete is looking for a new flat these days
5. She is eating anapple at the moment
6. все ок
7. She doesn't write letters very often