Rewrite the following sentences
John ate some pies yesterday. (改为一般疑问句)
John any pies yesterday.
Helen goes to school on foot every day (改为否定句)
Helen go to school on foot every day.
I practice swimming three times a week. (对划线部分提问)
do you practice swimming?
It takes me 10 hours to travel from shanghai to Beijing? (对划线部分提问)
does it take you to travel from Shanghai to Beijing.
Ben is a good student. Joe is a good student, too. (保持句子原意)
Ben Joe are good students.