could you give me a hand with this box?can you give me a hand with this box?的区别could can意思是Can you 开头的句子都可以有could you?

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couldyougivemeahandwiththisbox?canyougivemeahandwiththisbox?的区别couldcan意思是Canyou开头的句子都可以有couldyou?co

could you give me a hand with this box?can you give me a hand with this box?的区别could can意思是Can you 开头的句子都可以有could you?
could you give me a hand with this box?can you give me a hand with this box?的区别could can
意思是Can you 开头的句子都可以有could you?

could you give me a hand with this box?can you give me a hand with this box?的区别could can意思是Can you 开头的句子都可以有could you?
不是所有 can you 开头的问句都可有 could you 代替
could you 是 can you 的委婉语态,
因此请求问句 can you 可改用 could you,
但其他情况下不可,比如
can you walk,or would you like me to get a taxi for you?
我是加拿大人,前英语老师.

could 的语气更加委婉一些,英语国家的人很讲究说话的方式,一般比较委婉。

could 的 语气 比 can 更加委婉。
在这道题里面只有这个区别,没别的了。
是的,你说的是对的。
有can you 就可以变成could you 。只是语气变了。