题目内容
16.John put up a tent in order to camp at the foot of the mountain just now.(改为一般疑问句)DidJohnputup a tent in order to camp at the foot of the mountain just now?
分析 约翰为了在山脚露营刚刚搭起一个帐篷.
约翰为了在山脚露营刚刚搭起一个帐篷吗?
解答 答案:Did,put.
原句中just now 刚才与过去时连用,句中的put是put 的过去式,put up是实意动词搭建,改为一般疑问句时借助于助动词did,放句首,后面用动词原形,故答案是Did;put.
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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