b) Aff : Dom teaches English.
Int : Does Dom teach English ?
Neg : Dom does not teach English.

c) Aff : The Axford BS stops here.
Int : Does the Axford BS stop here ?
Neg : The Axford BS does not stop here.

d) Aff : You play the piano.
Int : Do you play the piano ?
Neg : You do not play the piano.