can、may、must开头的问句怎么回答?can't和musn't有什么区别?

can:----yes,you can----no,you can'tmay:----yes,you must----no,you can'tmust:做推测讲译为“一定”---yes,he must---no,he can't做必须讲译为“必须”---yes,you must---no,you needn'tcan't和musn't有什么区别:can't表示"不能够""不可以"和"不可能"。如:1。I cannot answer your question at present。我目前无法回答你的问题。2。—Can I leave now 我可以走了吗 —No,I am afraid you can't。对不起,恐怕不行。另外,cannot还用于固定习语中。如:She cannot help laughing。她禁不住笑了。I cannot but try again。我不得不再试一次。You cannot be too careful。你越小心越好。mustn't 表示" 不应该""不可以"和"禁止"。如:1。—May I take this book out of the reading room 我可以把这本书拿出阅览室吗 —No,you mustn't。不,不可以。2。—Can I park my car here 我可以在这儿停车吗 —No,cars mustn't be parked here。不行,这里禁止停车。