1. 否定的一般疑问句很好写,就是在一般疑问句的第一个单词后面加上not,有时候可以将它们缩写。
2. 而一般疑问句则是看句子的动词形式:
1)如果含有be动词am/is/are/was/were,就将它们提前即可;
2)如果含有情态动词can等,就把这个情态动词提前即可;
3)如果含有其他助动词will/shall/have/has等,把该助动词提前即可;
4)如果含有以上多个成分,则把最靠前的那个词提前即可。
如:Are you a student?
Can I help you?
Have you ever been to Beijing?
Has he been ever a student?
3. 此时,要变成否定的一般疑问句,则把首字母加not(可缩写)即可。
如:Aren't you a student?
Can't I help you?
Haven't you ever been to Beijing?
Hasn't he been ever a student?
参考资料:英语牛人团