Помогите срочно пожалуйста

1.Are we students -Yes we are; No we are not

2.Were they at the stadium - Yes they were; No they were not

3. Does my father draive the car - Yes he does; No he does not

4.Have we the exam - Yes we have. No we have not.

5.Did children played the game - Yes they did; No they did not

6. I know them - Yes i know them; No i does not know them

7.Did i my work - Yes i did; No i did not