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There is a beggar outside the door asking for food.
网校学员傍晚天**在学习英语零基础直达PETS三级/公共英语三级【年中特惠班】时提出了此问题，已有1人帮助了TA。
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AnnieGuo0909
同学你好，该知识点来自沪江网校《英语零基础直达PETS三级/公共英语三级【年中特惠班】》的课程，想要更系统的学习，欢迎进入课程学习。不仅可以和更多的同学一起学习，而且还有老师、助教随时的学习指导和知识点解答哦。
同学好：这里的asking 是现在分词；
asking for food 是现在分词短语做伴随状语，表示ask 的动作是伴随there is ... 这个状态同时发生的。
句意为：门外有个乞丐要饭。
如果ask 用原形，它是做谓语的，写在这里就不符合语法了。现在分词表示主动和进行的含义，这里asking 就表示ask是beggar 主动发出的动作，且正在进行。
祝学习愉快！
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英语零基础直达PETS三级/公共英语三级【年中特惠班】
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