用hear sb doing sth 造句

用hear sb doing sth 造句 hear sb doing sth 造句 Hear sb to do sth 和 hear sb doing sth see/hear sb.doing sth.造句 hear sb.doing sth.是神马意思? Suddenly,we heard someone shouthelp!help这里为什么用hear sb do sth 而不用hear sb doing sth watch/see/hear+sb+do sth 和watch/see/hear+sb+doing sth 是hear　sb to do sth 还是hear sb doing sth hear sb do sth 和 hear sb doing sth 有什么区别? 恩 hear sb doing sth hear sb do sth 怎么造句啊 是hear　sb to do sth 还是hear sb doing sth hear sb doing sth 与hear sb to do sth有什么区别 hear sb.do sth.和 hear sb.doing sth.怎么使用? see/hear/watch sb doing sth 这个语法对吗? see/hear sb.doing sth.造句（注中文） hear sb doing sth.还是hear sb do sth.在过去式中怎么用?英语中为什么过去式中会出现ing形式?尽量写全点.有点多,呵呵. hear sb.do sth同hear sb.doing sth.有什么不同它们分别用在什么地方?麻烦举个例句..Thanks a lot! hear sb do sth和doing sth有什么区别有to do sth吗