Зд по английскому

1) I play at my guitar lessons on Mondays.
I don't play at my guitar lessons on Mondays.
Do you play at your guitar lessons on Mondays?
Who plays at the guitar lessons on Mondays?
Why do you play at your guitar lessons on Mondays?
2) My mum and I are cooking a chicken now.
My mum and I aren't cooking a chicken now.
Are my mum and I cooking a chicken now?
Who is cooking a chicken now?
What dish are they cooking?
3) Barbara will pass the exam tomorrow. I'm sure.
Barbara won't pass the exam tomorrow. I'm not sure.
Will Barbara pass the exam tomorrow?
Who will pass the exam tomorrow?
When will Barbara pass the exam?
4) Dr Brown is going to give a lecture to his students tomorrow.
Dr Brown isn't going to give a lecture to his students tomorrow.
Is Dr Brown going to give a lecture to his students tomorrow?
Who is going to give a lecture to his students tomorrow?
What is Dr Brown going to give to his students tomorrow?