they can"t change a ten pound note.(变为一般疑问句）
I have ‘t got any small change.What about you?(进行否定回答）
【MrTurner】has got some small change.what about you?(针对划线部分提问）
He must get off the bus【because na ane can change this note】.（针对划线部分提问）
Can the conductor change this ten-pound note?(变成肯定句）