请教英语句子的用法

请教英语句子的用法

题目
请教英语句子的用法
After a few days of digging,the archaeologists had to acknowledge the obvious awaiting them was an entire army in battle order.
为什么要用DIGGING这个现在分词呢?dig本身不是有名词的意思吗?用现在分词的意义何在呢?
答案
After a few days of digging,the archaeologists had to acknowledge the obvious awaiting them was an entire army in battle order.
After a few days of digging:经过几天的挖掘工作之后 (digging 为非谓语动词中动名词,不是现在分词,这一点一定要弄清楚)
the archaeologists had to acknowledge the obvious awaiting them was an entire army in battle order.
这些考古学家们不得不承认,等待他们的很明显的就是一整个作战程序(战斗体制)
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