John does his homework on sundays改为一般疑问句

问题描述:

John does his homework on sundays改为一般疑问句

Does John do his homework on Sundays?
变一般疑问句第一步找be 动词提到句首,没有be动词找情态动词提到句首,最后找助动词do ,does ,did,等等
这个句子是一般现在时,主语是第三人称单数所以用助动词does .
当助动词出现时,原句中动词要恢复成原形.