题目内容

2．-Erin，my mother asked you if       come to my home this weekend．
-Thanks．I'll go if I            ．（　　）
A．you would，am freeB．would you，will be free
C．you will，was free   

分析 --艾琳，我妈妈问这个周末你是否来我家．
--谢谢．如果有空，我会去的．

解答 答案：A 根据：my mother asked you if        come to my home this weekend．可知这里的if引导的是宾语从句，意为："是否"．主句asked是一般过去时，则从句用过去的某种时态．故排除C；因为宾语从句应该用陈述语序，故排除B；根据：I'll go if I            ．可知此处if引导的是条件状语从句，应该遵循主将从现的原则，即if引导的条件状语从句，用一般现在时表示将来．故选：A．

点评 本题主要考查时态问题，if引导宾语从句时，需要什么时态，就用什么时态；if引导条件状语从句时，用一般现在时表示将来．所以要根据句意，来判断if的含义，确定其引导的从句．

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