求say,tell,talk和speak的区别

speak、say、talk词语难点解析
【设疑】speak、say、talk 有何区别?
【解惑】speak、say、talk 这三个词都有"说、讲"的意思,但它们在用法上有区别.speak侧重指说话的能力及方式,尤其指说语言；say是及物动词,侧重指说话的内容；talk是不及物动词,指连续不断的说话或交谈,常与介词to、with、about等连用.试比较:①He can speak English.他会说英语.② What did you say?你说什么?③We are talking about you.我们正在谈论你.