是不是疑问句中动词用原形

问题描述:

是不是疑问句中动词用原形

不一定的.如:Are you sleeping?(进行时)Have you ever been to *?(完成时)was the book written by Lu Xun?(被动语态)Who went to the Great Wall yesterday?(一般过去时)(此种Who开头的疑问句,什么...