www.xltd.net > hAvE BEing DonE 和hAvE BEEn Doing 的区别是什么

hAvE BEing DonE 和hAvE BEEn Doing 的区别是什么

being done:被动语态,意思是:正在被做(被完成) have been doing:现在完成进行时,表示已开始,正在进行,还没结束,意思是:一直做这个做到现在 having been done:被动语态,现在完成时,意思是:已经被完成

没有have being done 的用法。 have been doing 表示从过去到现在一直在进行的动作。

have done 表示以前做过对现在仍有影响,表示延续。 have being doing表示过去正在做某事,强调动作

没有have being done.语法书中较少提及have been being done这种时态,但该时态理论上是现在完成进行时的被动语态,较少用. 只有have been doing现在完成进行时 望采纳

是不是写错了。有have been doing, 现在完成进行时 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,或者可能仍然要继续下去。(与since,for连用时,常常表示动作会进行下去) 也可以表示某...

being done:被动语态,意思是:正在被做(被完成) have been doing:现在完成进行时,表示已开始,正在进行,还没结束,意思是:一直做这个做到现在 having been done:被动语态,现在完成时,意思是:已经被完成 (好就请采纳。)

(be being done进行时被动语态) 例The students are cleaning the classroom now. →The classroom is being cleaned now. (have been done现在完成时) 例The room has been cleaned by me. (be being doing)这个貌似没有

时态的差别 to be done表将来 being done表现在正在做 have been done表已经做过

1. was being done 为过去进行时的被动语态:正在被...... The bridge was being built at this time last year. 去年的这个时侯这座桥正在被修建。 2. has been done 为现在完成时的被动语态:已经被...... The book has been finished already...

为您解答两个都是时态基本结构be doing是进行时,根据be的时态改变,可以是现在进行时,过去进行时,将来进行时,完成进行时being done是进行时的被动语态,不是完整结构,根据being前面助动词判断,是哪个进行时的被动语态。给你一个时态结构表...

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