一个句子运用不及物动词要注意两点.
第一：不及物动词后面没有宾语,如：He has arrived.他已经到了.He often talks in class.他常在课上说话.
第二：不及物动词后面如果要接宾语,就必须再加一个介词.如：He has arrived at the station.他已经到车站了.He often talks about his girlfriend in class.他常在课上聊他女朋友.