关于八年级英语的一个问题.i‘ve been skating for five hours.和.she’s been s

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关于八年级英语的一个问题.i‘ve been skating for five hours.和.she’s been skating for five fours
have been doing sth是现在进行完成时,那she’s been skating for five fours.为什么是be been skating 这是人教版新目标八年级下第六单元的对话中的句子.为什么阿

have been doing sth是现在完成进行时 skating 是一个单词,不是动名词 ,she’s been skating for five fours.中最后一个单词应该是hours,此句中的she’s =she has,明白?

关于八年级英语的一个问题.i‘ve been skating for five hours.和.she’s been s she's been skating for five hours 为什么is been for都不用翻译 i've been skating for five hours=i skated for five hours 现在完成时态的 I've been skating for five hours 这句是什么时态,与I've skate i 've been skating for five hours 为什么要用ing形式啊 The skating marathon has been going for five hours now,and s Alison has been skating for five hours. he`s been skating for four hours 改为否定句八年级下册英语书语法：How long have you been skating?I've been skating 现在完成进行时的公式是have been+v.ing例如：I‘ve been skating for five year She's been teaching for five years,( ) A--So you've___skating for B--- I've been skating for five h