题目内容
9.- did your uncle leave his hometown?-He for nearly twenty years.( )
| A. | When; has left | B. | When; has been away | ||
| C. | How long; has left | D. | How long; has been away |
分析 -你叔叔什么时候离开了他的家乡?
-他已经离开了将近二十年了.
解答 答案:B
How long,多久提问一段时间,与它连用的要么是可延续性的动作,要么是延续性的状态.根据leave非延续性动作,可知用when提问.for nearly 20years是现在完成时的标志词.现在完成时态表示过去发生或已经完成的动作对现在造成的影响或结果.或从过去已经开始,持续到现在的动作或状态.本题属于从过去已经开始,持续到现在的动作或状态,现在完成时态的构成:助动词have/has+过去分词,for nearly 20years近20年,一段时间,leave为非延续性动词,对应的延续性状态是be away.故选B.
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的是现在完成时的延续性动词和非延续性动词,非延续性动词不能和表示一段的时间状语连用,应该用另一个延续性动词来代替.
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