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hAvE BEEn Doing 做状语

have been doing 是现在完成时进行时态.现在完成进行时,是英语中,动词的一种基本时态,其构成为:主语+助动词(have/has)+been+动词的现在分词+其他成分.表示动作从某一时间开始,一直持续到现在,或者刚刚终止,或者可能仍然

Having finished his work, he left. having done, 主动,做完以后. He said to me looking outside. 伴随状语.ing的用法很多,主动,表示原因,伴随,方式等. Having been done 已经被,被动 Having been told many times, he remembered the

have been doing 现在完成进行时.现在完成进行时用法 一、现在完成进行时的谓语动词构成 have/has been doing 二、现在完成进行时的功能 (一)表示从过去某时开始一直持续到现在的动作,并且还将持续下去. I have been learning

having done本来就很少用,用也是用在已结束的动作上 After turned off the lights, he left. have been doing是说一直在做某事 因此,很少有说having been doing的. Though having been always trying hard, they haven't made any progress yet. 尽管

相同:1:现在完成时(have done)和现在完成进行时(have been dong)都可以表示从过去某一时刻开始一直延续到现在的动作.Example:I have worked in this school since 2000.I have been working here since 2000.2:现在完成时和现在完

Have been done 是完成时的被动式,不是非谓语的状语他的非谓语就是having been done,主动式是having donehave been doing 是现在完成进行时,不是非谓语

这里的have been doing现在完成进行时,表示已经完成的动作,加上进行时been doing的形式使时态更生动,可翻译为刚刚还在泥坑里跳来跳去.

一般现在时就是现在的一般状态,不强调正在发生,而是事实如此,还有用一般现在时表将来时,用在if条件句.have been doing现在完成进行时,用作时间,原因,状语从句中为非谓语

有. having been doing 做伴随状语可以的.

have been doing 现在完成进行时. have p.p现在完成时. 二者有共同点,但最大区别在于现在完成进行时更强调动作的持续性.比如,She has been writing the letter since two hours ago.两个小时以来,她一直都在写信现在完成进行时一、现在

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