I have to go改成特殊疑问句

I have to go改成特殊疑问句 He must go to bed. I have a cold. 否定： 否定： 一般疑问句： 一般疑问句： 特殊疑问 i usually go to school on foot .改为特殊疑问句 I have a yellow skateboard.（改成一般疑问句,特殊疑问句） I go to school by bike改成一般疑问句 I go to school by bus.改成一般疑问句 I will go to Beijing改成一般将来时的疑问句, i,go,to,children,s,center,改成一般 疑问句 特殊疑问句的否定形式Why do I have to go to bed?如果变成否定句,NOT 应该接do还是have I'm fine.怎么改成特殊疑问句? I play the piano.改成特殊疑问句 I'm from china改成特殊疑问句