No wonder you are tired,you are been walking for hours.难怪你累了呢,你一直走了好几个小时.这句话为什么要用be walking?改成 walk 改成这样有什么不同:No wonder you are tired,you walk for hours.

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No wonder you are tired,you are been walking for hours.难怪你累了呢,你一直走了好几个小时.这句话为什么要用be walking?改成 walk 改成这样有什么不同:No wonder you are tired,you walk for hours.

No wonder you are tired,you are been walking for hours.难怪你累了呢,你一直走了好几个小时.这句话为什么要用be walking?改成 walk 改成这样有什么不同:No wonder you are tired,you walk for hours.
No wonder you are tired,you are been walking for hours.难怪你累了呢,你一直走了好几个小时.
这句话为什么要用be walking?
改成 walk
改成这样有什么不同:
No wonder you are tired,you walk for hours.

No wonder you are tired,you are been walking for hours.难怪你累了呢,你一直走了好几个小时.这句话为什么要用be walking?改成 walk 改成这样有什么不同:No wonder you are tired,you walk for hours.
你原题就写错了,不是you are been walking 是you have been walking
然后再看“现在完成进行时”与“一般现在时”的区别
现在完成时:现在以前一直很辛苦地在做一件事
一般现在时:最近一段时间,通常是最近几天或最近几年一直在做的事
所以,原题的时态不能改.

you are been walking for hours是现在完成进行时,便是一直持续的动作,并对现在有一定的影响。you walk for hours是一般现在时,只是陈述事实,对上文你累了没有作用