Must you buy all these sweets? - Yes, I must.
Has Pam missed the train? - No, she hasn’t.
Will it be sunny tomorrow? - Yes, it will.
Have Mr and Mrs Hedrix left yet? - No, they haven’t.
Can I take your crayons? - No, you can’t.
Were they dancing when the lights went out? - Yes, they were.
Does Philip go to Andy’s school? - Yes, he does.
Did you have to make all this mess? - No, I didn’t.
Was your birthday on Sunday? - Yes, it was.