The radar sets have been running for a long time without any trouble.为什么是用running不是用run?2、Do you remember being introduced to Dr. Henry during your last visit?具体翻译
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![The radar sets have been running for a long time without any trouble.为什么是用running不是用run?2、Do you remember being introduced to Dr. Henry during your last visit?具体翻译](/uploads/image/z/13302411-51-1.jpg?t=The+radar+sets+have+been+running+for+a+long+time+without+any+trouble.%E4%B8%BA%E4%BB%80%E4%B9%88%E6%98%AF%E7%94%A8running%E4%B8%8D%E6%98%AF%E7%94%A8run%3F2%E3%80%81Do+you+remember+being+introduced+to+Dr.+Henry+during+your+last+visit%3F%E5%85%B7%E4%BD%93%E7%BF%BB%E8%AF%91)
The radar sets have been running for a long time without any trouble.为什么是用running不是用run?2、Do you remember being introduced to Dr. Henry during your last visit?具体翻译
The radar sets have been running for a long time without any trouble.为什么是用running不是用run?
2、Do you remember being introduced to Dr. Henry during your last visit?具体翻译
The radar sets have been running for a long time without any trouble.为什么是用running不是用run?2、Do you remember being introduced to Dr. Henry during your last visit?具体翻译
have been doing表示从过去到现在一直在进行
还记得上次你来访期间,把你介绍给了亨利博士/医生吗?
V-ing 是动名词吧怎么可能?!哪有这样加名词的动词+ing可以变成动名词,可是这里嘛,不知道是因为完成时是have been doing 还是因为动名词,我的理解仅供参考啊哈..⊙﹏⊙b汗,我知道动词+ing可以变成动名词,我的意思是但这里明显是have been doing的搭配。好啦,O(∩_∩)O谢谢...
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V-ing 是动名词吧
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