现在完成时态中have/ has been+ done是什么意思?
have/has been+done 是现在完成时表被动,has been的主语是第三人称单数,have的主语不是第三人称单数。简单来说如果前面是I,you,we以及复数形式的主语则用havebeen ,第三人称单数如he,she,it,则是用has been 。
拓展
一、现在完成时态由"have/has+过去分词"构成,主要有两个含义:
①表示动作发生在过去,但与现在的情况有联系,有时无时间状语,有时和一些表示不确定的过去时间状语连用,如:many times,just,yet,ever,never,already,before,so far, by now等连用。
②表示从过去某一时间开始一直延续到现在并还可能继续延续下去的动作,用于延续性动词,且句中常带有表示一段时间的时间状语,如:since + 时间点/从句,for two months, so far等。
二、
1)现在完成时和一般过去时都能表示过去发生过的动作,但现在完成时表示过去动作对现在的影响,并且表示这一动作已完成或还可能继续下去;
2)而一般过去时与现在的情况没有联系,仅表示过去的动作,且这一动作到说话时已终止。因此现在完成时不能与表示明确的过去时间如:in1949,yesterday,last week等的状语连用,并且用when或where对这些时间和地点状语提问时,一般只用一般过去时。
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绛旓細have done 瀹屾垚鏃锛屽湪鏃舵佷腑鍋氳皳璇 绮鹃攼浜旇鍦
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绛旓細Have/Has been done 涓嶩ave/Has done 鐨勫尯鍒彧鍦ㄨ鎬佷娇鐢ㄧ殑鍖哄埆锛屽涓:1銆have been done鏄鐜板湪瀹屾垚鏃鐨勮鍔ㄨ鎬侊紝琛ㄨ揪鐨勭姸鎬佹槸涓绉嶈鍔ㄧ殑锛屼竴鑸富璇敤鐗┿傚:His homework has been finished before he went home.浠栫殑浣滀笟鍦ㄥ洖瀹朵箣鍓嶅氨琚畬鎴愪簡銆2銆乭ave done鏄幇鍦ㄥ畬鎴愭椂鐨勪富鍔ㄨ鎬侊紝琛ㄨ揪鐨勭姸鎬佹槸...
绛旓細have done doing鏄鐜板湪瀹屾垚鏃舵銆 have锛歷t. 鏈; 鎸佹湁; 鍗犳湁; 鐢扁︾粍鎴; 鏄剧ず鍑猴紝甯︽湁(鎬ц川銆佺壒寰)銆 done锛歛dj. 瀹屾瘯; 浜嗙粨; 缁撴潫; 鐓啛; 鐔熶簡; 鍚堜箮绀间华; 鍚堜箮瑙勭煩; 寰椾綋銆 doing锛歯. 鎵鍋氱殑浜; 鍙戠敓鐨勪簨; 鎵浣滄墍涓恒 鎵╁睍璧勬枡 I could have done that just doing the ...