Ответ:
1. Jack has been watching TV all afternoon.
Jack has not been watching TV all afternoon.
2. My parents have been smoking for years.
My parents have not been smoking for years.
3. We have been living in Greece since last August.
We have not been living in Greece since last August.
Объяснение:
1)Have to go
2)Can't carry
3)Don't have to carry
4)Can accept
5)Have to take
6)Have to serve
7)Can go to
every week
если имеется в виду, что надо дать какой-то показатель, который будет указывать на то, что это настоящее простое время используется works