题目内容
4.Hehasn't come (not come) yet.What do you think has happened to him?分析 他还没有来.你认为他发生什么事了?
解答 答案:hasn't come
根据关键词yet及下文What do you think has happened to him?"你认为他发生什么事了?"可知表示过去发生的动作对现在造成的影响,故使用现在完成时态,结合所给词(not come)可知用现在完成时态的否定句,其结构为主语+have/has+not+过去分词,主语he是第三人称单数,故用助动词has,has not可缩写为hasn't,come的过去分词为come,故填hasn't come
点评 本题主要考查完成句子,首先要根据所给单词提示,然后根据句式特点,结合句意和词性,确定单词的适当形式,最后把句子补充完整.本题主要考查现在完成时态的否定句,其结构为主语+have/has+not+过去分词
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