i have been sitting around waiting for the phone to ring all

来源：学生作业帮编辑：大师作文网作业帮分类：英语作业时间：2024/11/12 12:16:28

i have been sitting around waiting for the phone to ring all the day.
解释一下为什么have been+doing 而不+done
还有为什么wait要加ing

have been done是对将来有影响并且可能会持续下去,而have done是只对将来有影响,不一定会持续下去.wait+ing应该是因为伴随状态
再问：那done是过去分词的意思嘛但sit的过去分词不是sat吗？
再答：我说错了 have been+doing

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