英语自学网 发表于 2016-7-11 22:29:25

新概念二册语法精粹十三．将来完成时：shall / will have + 过去

十三．将来完成时：shall / will have + 过去分词
       
        表示将来某时之前已经完成的动作。
        ►. They will have been here for 5 years next Friday.
        ►. By the end of next term, the students will have finished the book.
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