题目内容
2.Miss Leehas taught(teach) us English since she came here three years ago.分析 李老师自从三年前来这里就教我们英语.
解答 答案:has taught.现在完成时表示过去已经开始的动作,一直延续到现在还有可能延续下去.其构成是:have/has+过去分词.根据"since she came here three years ago"可知动作在过去就已开始了,一直延续到现在,所以主句时态要用现在完成时,另外主语是第三人称单数,故填has taught.
点评 首先要熟悉现在完成时的用法,然后结合具体的题意,做出正确答案.
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