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    精英家教网 > 高中英语 > 题目详情
    14．You are going to write a letter to the President of south Africa asking him to free Mandea．
    Youare towrite a letter to the president of South Africa tolet Mandelafree．

    分析 你将写一封信给南非总统，让他释放 Mandela．

    解答 答案：are to，let，free 考查句型转换．be going to do结构表示一般将来时态，可以转换成be to do结构表示一般将来时态．ask sb．to free sb（此处free是动词）可以转换成let sb．free（此处free是形容词）．

    点评 同义句型转换，是把意思相同或相近的句子用不同的词汇、短语及句型表示出来．同义句的相互转换除了考查主动句与被动句，复合句与简单句之间的转换，直接引语变间接引语外，还有一些词或短语的替换，仅仅通过替换几个词或短语，而使句子意思不变，就能达到异曲同工之妙．"句型转换"题是用来考查学生对句子结构变化所掌握的程度．

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