一到初中的语法题,I ‘ve been sitting in front of the computer for an hour.I ‘ve been sitting能不能改成I have sit

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一到初中的语法题,I ‘ve been sitting in front of the computer for an hour.I ‘ve been sitting能不能改成I have sit

一到初中的语法题,I ‘ve been sitting in front of the computer for an hour.I ‘ve been sitting能不能改成I have sit
一到初中的语法题,I ‘ve been sitting in front of the computer for an hour.
I ‘ve been sitting能不能改成I have sit

一到初中的语法题,I ‘ve been sitting in front of the computer for an hour.I ‘ve been sitting能不能改成I have sit
首先应该是 I have sat 然后修改要根据语境和语法
(sit 的过去时和完成时是sat)
其次现在完成进行时一般是用在这个动作从过去开始做,现在仍然在继续(have been doing)
而现在完成时则是从过去做到现在,已经做完了,对现在产生的影响(have done)
这种改法的确要根据上下文.不过根据你给出的这句话,因为有“for an hour"的出现,所以如果你想把它改成 “I have sat."是可以的~但意思有所变化——表示你已经在电脑前坐了一个小时现在不坐了.不过还要根据你整体文章来看,如果前后文表明 “我”还在电脑前坐着的话,那最好还是用现在完成进行时,表示该动作还在继续.
希望有所帮助!

现在完成进行时表示从过去到现在一直进行的动作或刚刚完成,感觉更适合这个句子的语境

不能
sit 表示的是 “坐”这个动作,即从站姿改为坐姿,它不能延续
而原句中想表示的是 我一直在坐的这个状态I ‘ve been sitting
所以不能改为have sit

have been doing sth 强调的是一直做某事 体重强调的是一直都坐在电脑前 而用have done sth 表示已经做某事 没有强调一直 所以不能改

正确语态是 I have sat
sat 是 sit 的完成时。
可以改,但两者意思有点不同。
I have been sitting 是进行时,表示描述的情况还在发生。
I have sat 形容已过去的事。那应该是哪一个呢?上下文呢?是要看上下文的。 若无上下文, 用 I have been sitting 。...

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正确语态是 I have sat
sat 是 sit 的完成时。
可以改,但两者意思有点不同。
I have been sitting 是进行时,表示描述的情况还在发生。
I have sat 形容已过去的事。

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语法上可以,但是没有换之前语气更强烈,表达更好!在这里现在完成进行时表示一直在电脑前做了一个小时,有些劳累等等意思!

i have been sitting in front of the computer for an hour 是代表说 ”我”现在还坐在电脑前,但是在此之前我已经坐了1个小时了。
但如果说i have sat in front of the computer for an hour.
翻译为,我已经在电脑前坐了一个小时了。但我可能现在已近不坐在那儿了。
注意:sit-s...

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i have been sitting in front of the computer for an hour 是代表说 ”我”现在还坐在电脑前,但是在此之前我已经坐了1个小时了。
但如果说i have sat in front of the computer for an hour.
翻译为,我已经在电脑前坐了一个小时了。但我可能现在已近不坐在那儿了。
注意:sit-sat-sat
sit 的过去时和完成时都是sat

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