这两句可以改成一般疑问句吗?是不是你们看错题目了?
否定句：
1、Ben,listen to the teacher,please.
Ben,don`t listen to the teacher,please.
2.Please sit under the umbrella,Grandma.
Please don`t sit under the umbrella,Grandma.
一般疑问句：
1、Ben,listen to the teacher,please.
Ben,do you listen to the teacher?
2.Please sit under the umbrella,Grandma.
Do you sit under the umbrella?Grandma.