晕了,前面几位都没有抓住要领.
看人家问的什么呀.
特殊疑问词What,Where,who等在句中作主语时,不用助动词,如What happened to the piano?Who saw my key?此时动词的时态变化与陈述句一样,变动词形式即可.
特殊疑问词在句中作其他成分时,要用助动词.如Where did you go yesterday?(where作go的状语).What did you do yesterday?(what作do的宾语).
“对动作发问,必用助动词,对整个句子发问,不用助动词”这话很模糊,语法上没有这种说法,正确的表述如上所述.