整体用法上：speak 强调将某种语言，可以说speak to sb about sth/ speak of something
tell指告诉，常用搭配：tell sb sth/ tell sth to sb
talk交谈，聊天。常用搭配：talk to sb/ talk about sth/ talk with sb
say说，常用搭配say sth to sb
say为及物动词，可以直接跟宾语，强调说话的内容
例如：I can say your name.
speak 强调说话的动作，不强调说话的内容，常用在比较正式的场合，如演讲，演说，讲某种语言等
例如：I spoke at the meeting last night.
talk一般为不及物动词，意思是“交谈，谈话”，强调的是两者间相互谈话
例如：Your father is talking to her.
tell 常做及物动词，意思是“讲述，告诉”常跟双宾语
例如：The teacher is telling the students a story.
习题巩固
1)The teacher_____ the students not to be late again.
2) Do you often ______to your friends on the phone?
3) Don’t forget to______ “Thank you” when someone opens the door for you.
4)Can you ______Japanese?
5) Our English teacher comes from America, but she often__we can __Chinese when we __ stories.
答案：: 1. tells 2. talk 3. say 4. speak 5. says; speak; tell
