how can you do that & how did you do that 有什么区别

how can you do that & how did you do that 有什么区别 How did you do that? How do you do that? you that how do do How can you do that 是什麽意思? how do you spell that how would you do that? how do you spell that? 请求why would you do that?和why did you do that?有什么区别 How do you know this 和How do you know that 有没有区别?有的话区别是什么? How do you do that?(中文) do ,how ,you ,do ,that ) 组成句