题目内容
17.His English is very beautiful.He _____ English since he was a little boy.( )| A. | will learn | B. | learnt | C. | has learnt | D. | is learning |
分析 他的英语很好.他还是一个小孩的时候,就开始学英语了.
解答 答案:C 现在完成时基本用法之一:表示过去已经开始,持续到现在,而且还可能继续下去的动作或状态,常与since或for引导的时间状语连用.since引导时间状语从句时,从句使用一般过去时,则主句使用现在完成时.结合句意,根据since he was a little boy.可知应该用现在完成时态.现在完成时态的构成:助动词have/has+过去分词,根据主语he,是第三人单数,所以应该用has,故选:C.
点评 本题主要考查动词时态,做此类题目要注意时间状语、标志词.根据上下文所表达的含义,做出判断.同时更应记清时态的构成形式.就本题而言,主要考查现在完成时态.
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