英语语法小问题,求指点

助动词不都是在主语前面吗?这个是怎么回事?

    当疑问词作主语时,不用助动词+主语变为疑问句。

    He will come to help me.——Who will come to help me?

    当疑问词+名词作主语时,也不用助动词+主语变为疑问句。

    My mother wakes him up every day.——Whose mother wakes him up every day?

    当疑问词不是主语时,就用助动词+主语变为疑问句。

    I am doing my homework.——What are you doing?

    总结:疑问词作主语或疑问词+名词作主语时,语序不变。

    疑问词不作主语时,就用助动词+主语+谓语+其它

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