题目内容
6.Mike has to leave here now.(改一般疑问句)Does Mikehave to leave here now?
分析 麦克现在要离开这.
麦克现在要离开这吗?
解答 答案:Does,have.原句has是have的三单形式,是一般现在时,have to表示不得不…,一般疑问句借助于助动词do或者does,主语Mike是三单,故does,后加原形have,故答案是Does,have.
点评 一、含有be动词(am/is/are/was/were)动词的一般疑问句,通常把be动词调到句首.
二、含有情态动词(can/may/must/could)的一般疑问句,把情态动词调到句首.
三、句子里没有be动词、助动词、情态动词等,就需要加助动词do,does,、did(过去式)来构成疑问句,加上这些助动词后,句子中谓语动词必须用原形.
其句型为:Do/Does/did+主语+动词原形+其它?
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