问题描述：
现在完成时 与 过去完成时
i have climbed that hill many a time when i was young
i had climbed that hill many a time when i was young
请问上面这两句话有什么区别
john told me this morning that the painters haven't finished the work on his house yet
请问上面这句话中the painters haven't finished 不是应该用the painters hadn't finished吗?
i have climbed that hill many a time when i was young
i had climbed that hill many a time when i was young
请问上面这两句话有什么区别
john told me this morning that the painters haven't finished the work on his house yet
请问上面这句话中the painters haven't finished 不是应该用the painters hadn't finished吗?
问题解答：
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