1.疑问：Did you go home after school yesterday?
否定：I didn't go home after school yesterday.
2.疑问：Did Lily play games after class this afternoon?
否定：Lily didn't play games after class this afternoon.
3.疑问：Did Bob play football after school?
否定：Bob didn't play football after school
4.疑问：Did Mum go shopping with my grandmother yesterday?
否定：Mum didn't go shopping with my grandmother yesterday.
5.疑问：Did you make it awful?
否定：You didn't make it awful!