see sb to do sth还是see sb doing

see sb.do sth和see sb.doing sth.区别 关于see sb do sth和see sb doing sth see sb.doing sth. 什么时候用see sb doing sth,什么时候用see sb to do sth watch sb doing sth \ watch sb do sth \ see sb doing sth\ see 关于see sb do/doing sth always see sb doing/do sth watch sb do/doing sth;see sb do/doing sth；hear sb do/doing s see sb do sth see sb\sth do 英语like to see sb doing sth go to see sb doing sth