题目内容
15.---May I play soccer with Tom now,Mum?---When all the homework ______,you may go out to play.( )| A. | finish | B. | will finish | ||
| C. | is finished | D. | will be finished |
分析 --妈妈,现在我可以和汤姆踢足球吗?--当所有的作业都完成了,你就可以出去踢了.
解答 答案:C.根据题干,可知主语all the homework 是动作finish的承受者,和动词构成被动的关系,应该用被动语态,表示"家庭作业被完成".被动语态的结构是"be+过去分词";根据句中的when可知,这是一个when引导的时间状语从句,主句用将来时(情态动词),从句应用一般现在时.一般现在时态的被动语态的构成:am/is/are+及物动词的过去分词;homework 是不可数名词,应用is.故选C.
点评 主要考查被动语态,当句子的主语是动作的承受者时,应该用被动语态,本题考查的是一般现在时态的被动语态.一定要注意:一般现在时态的被动语态的构成:am/is/are+及物动词的过去分词,以及动词过去分词的形式.
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