现在完成进行时的用法
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1) 表示动作从过去某一时间开始一直延续到现在。现在这个动作可能已经终止,也可能仍然在进行着。如:
I have been waiting for you for two hours. 我等了你两个小刊 ( 动作不再延续下去 )
It has been raining for three hours. 雨已经下了三小时了。 ( 动作可能延续 )
He has been working on the paper all day. 他整天都在写论文 ( 动作是否延续下去,由上下文决定。 )
How long have you been learning English? --I have been learning English for two years. 你英语学多久了 ?-- 我们学了两年了。 ( 动作可能延续 )
Why are you so dirty - I've been playing football. 你身上怎么这样脏 ?-- 我刚才踢足球了。 ( 动作不再延续下去 )
2) 有些不能用现在进行时态的动词,如 be , have like , love , know , see , hesr 等,同样也不能用现在完成进行时,而只能用现在完成时。如:
She has been ill for a long time. 她已经病了好久了。
I have not seen you for ages. 我好久没有见到你了。
I have been waiting for you for two hours. 我等了你两个小刊 ( 动作不再延续下去 )
It has been raining for three hours. 雨已经下了三小时了。 ( 动作可能延续 )
He has been working on the paper all day. 他整天都在写论文 ( 动作是否延续下去,由上下文决定。 )
How long have you been learning English? --I have been learning English for two years. 你英语学多久了 ?-- 我们学了两年了。 ( 动作可能延续 )
Why are you so dirty - I've been playing football. 你身上怎么这样脏 ?-- 我刚才踢足球了。 ( 动作不再延续下去 )
2) 有些不能用现在进行时态的动词,如 be , have like , love , know , see , hesr 等,同样也不能用现在完成进行时,而只能用现在完成时。如:
She has been ill for a long time. 她已经病了好久了。
I have not seen you for ages. 我好久没有见到你了。
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