1. We usually go to the country on Sundays.
Do you usually go to the country on Sundays?
We don't usually go to the country on Sundays.
2. Mark is listening to his favourite song now.
Is Mark listening to his favourite song now?
Mark isn't listening to his favourite song now.
3. The Smiths have already left their old house.
Have the Smiths left their old house yet?
The Smiths haven't left their old house yet.
4. She passed her exams last week.
Did she pass her exams last week?
She didn't pass her exams last week.
