英语中have been doing sth和have done 的区别?同上
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英语中have been doing sth和have done 的区别?同上
英语中have been doing sth和have done 的区别?
同上
英语中have been doing sth和have done 的区别?同上
第一个是现在完成进行时态,表示一个动作从过去一直开始到现在,并且还会继续下去
第二个是现在完成时态,表示一个动作从过去开始到现在,在说话的时候已经结束了
英语中have been doing sth和have done 的区别?同上
英语时态区分have done .have been doing.had done.had been doing.有什么区别.
have been doing sth
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has been doing have been done区别
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have been do和have been doing的不同
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有没有have doing这个说法?我们都知道现在完成时有have done 和have been done 两种用法,那么请问现在完成进行时中除了有have been doing外有不有have doing?
what have they been doing 是什么时态
have been doing sth是什么时态?