现在完成进行时,表示动作开始于过去,一直持续到说话时动作还在继续
同时具有现在完成,和进行 两个状态
have PP
be V-ing
-----------------------------
have been V-ing 所以是这样的
He has been working here.为什么要用working?
He has been working here.为什么要用working?
英语人气:201 ℃时间:2019-10-19 06:19:51
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