1.
这句话你打错了吧
应该是Lucy and Kitty are playing football.吧
否定：Lucy and Kitty are not playing football.
疑问：Are Luck and Kitty playing football?
Yes,they are.No,they aren't.
2.否定：My teacher will not have a good journey.
疑问：Will your teacher have a good journey.
Yes,he will.No,he won't.
3.否定：Ben doesn't have a letter from uncle.（是不是uncle啊）
疑问：Does Ben have a letter from undle?
Yes,he does.No,he doesn't.
4.否定：Simon and Tong don't go to school together
疑问：Do Simon and Tong often go to school together?
Yes,they do.No,they don't