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

来源:学生作业帮 编辑:拍题作业网作业帮 分类:英语作业 时间:2024/04/25 08:58:12
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