题目内容
16.-Mary,could you tell me if your mother ________ our school sports meeting tomorrow?-I think she will come to school if she _________ free.( )
A. | will take part in; will be | B. | takes part in; is | ||
C. | will take part in; is | D. | takes part in; will be |
分析 -玛丽,你能告诉我是否你的妈妈明天来参加我们学校运动会吗?
-我认为如果她有空,她将来我们学校.
解答 答案:C 根据could you tell me if可知,if在动词后面,它引导的是宾语从句,表示"是否".当主句是一般现在时态或含情态动词的句子,宾语从句应该根据需要选用任何时态.此句由tomrrow可知,动作还没有发生,所以用一般将来时态,排除BD;又根据she will come to school if she可知,if引导的是条件状语从句,当主句是一般将来时态,从句应该用一般现在时态,我们称这一现象为"主将从现",排除A.故选C.
点评 本题考查宾语从句和状语从句.注意if引导的宾从和状从的时态区分.
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