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现在完成时的基本结构是:主语+助动词+过去分词+……,该时态有两种用法,一是“过去已完成”——强调结果(譬如:I have finished my homework.我已经完成作业了。);二是“过去的动作一直持续到现在——强调持续的状态”(譬如,I have lived here for 3 years.我已经在这住了三年了)。若还是不明白这个时态,先来看一下下面给出的定义吧。(欢迎大家将知识分享给有需要的人)
定义:
Present perfect continuous 现在完成进行时
In the Present Perfect Continuous tense, the action has been taking place for some time and is still ongoing. The duration for which the action has been going on is usually mentioned in the present perfect continuous tense.
现在完成进行时指一个动作已经发生了一段时间,并且还在继续。 这个已经发生并且还在继续的动作所持续的时间长度经常会被提及。
例句:
Example: He has been working for his uncle for almost 2 years. 他给他叔叔打工已经快2年了。
Example: They have been standing at the airport for 1 hour. 他们已经在机场站了1个小时了。
Example: Have you been watching this movie for the whole day? 你是不是已经看这个电影一整天了?
Example: She hasn’t been eating for 2 days. I’m a little bit worried. 她已经2天不吃东西了,我有点担心。
Example: You have been sleeping for 8 hours. Now get up and clean the house! 你已经睡了8小时了,现在起床去打扫房间!
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