题目内容
15.The suggestion,if ______,will mean fundamental changes to the electrical system.( )A. | accepting | B. | accept | C. | to accept | D. | accepted |
分析 这个建议,如果被采纳,将意味着电力系统的根本性改变.
解答 答案:D
动词accept与它的逻辑主语The suggestion构成被动关系;此处用在if后面,作条件状语;相当于if引导的条件状语从句:If the suggestion is accepted;这里省略了the suggestion is;故选D
点评 作本题时,应掌握过去分词在if从句中的用法:过去分词作条件状语在功能上相当于if引导的条件状语从句,在句中表示条件.所以经常会遇到过去分词前带有连词if,我们将这种结构看成在连词与过去分词之间省略了与主句相同的主语和系动词be.
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