1) John (smoke) ten cigarettes a day.

2) We usually (have) dinner at 6 o'clock. And I (go) to bed at about 11 o'clock at night.

3) I (not/go) to work at weekends.

4) Water (boil) 100 degrees Celsius.

5) My father (go) to gym every evening.

6) Peter (not/swim) well.