1) I haven't written the email to him yet.
Have I already written the email to him?
2)John isn't playing the saxophone now.
Is John playing the saxophone now?
3) Martha doesn't usually take part in competitions
Does Martha usually take part in competitions?
4)Steve didn't forget her phone number
Did Steve forget her phone number?
5)I won't answer these questions in our lessons.
Will I answer these questions in our lessons?