could you 和 can you 的区别?例如,Could you do me a favor?Can you give me some food?

could you和can的用法. could you 和 can you 的区别?例如,Could you do me a favor?Can you give me some food? 什么时候用would you.will you,can you,could you! could 和can的区别.could you help me with it?为什么不能改成can you help me with?it? could can you tell me?can you tell me?could you tell me?区别? could i help you 对么和can i help you 一样? I could kill you 和I can kill you有什么区别? can you tell me 和could you tell me 语气上有什么区别? i could take you up和i can take you up 有什么区别.求详解. Can/Could you please句型的用法 Nobody could ever replace you为什么用could不用can Could you please do sth.的意思急用啊Could you please do sth.的用法和COULD和CAN的区别 could you和would you的区别 you can stay和you could stay有什么区别can 和 could 有什么区别?用法也有什么区别? YES,AND YOU CAN SURE YOU COULD DO IT could you tell me .what can I do for you I can't follow you.could you speak more c()? Could you please ...和Could you...有什么区别