在现在时和过去时(没有其它助动词)时,现在一般时:主语是单数第三人称时,用助动词用does,其它情况用do.如:
He goes to school every day.---Does he go to school every day?(用了does,原来的goes用原形go).
We go to school every day.---Do you go to school every day?
如果是过去时,都用助动词did.如:
He went to school yesterday.---Did he go to school yesterday?(用了did,原来的went用原形go).
如果句中有be动词,就用be动词,除了主语是单数第三人称外,都用are.
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