hear sb do sth 和hear sb doing sth 怎么区分啊???急!!
的有关信息介绍如下:hear sb do sth 听到某人做某事.暗示过程完答橘成.如:我听到他关掉电视.I heard him turn off the TV.hear sb doing sth 听到握蠢某人正在做某事.强调动作的进行.可能你听到的只是动作的一部分.如:我经过这里时听到有人唱歌.I heard someone singing when I passed by.如果用I heard someone sing the song.就暗示[我"听完了整首歌清皮团.