COULD YOU PLEASE TAKE GOOD CARE OF IT WHILE I'M AWAY?为什么CAN要用过去式

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COULD YOU PLEASE TAKE GOOD CARE OF IT WHILE I'M AWAY?
为什么CAN要用过去式

could在这里不是CAN的过去式,而是表示一种委婉的请求方式"...可以吗?"

表示一种语气的委婉

could 比can更委婉

那不是过去式.could是一个单词.有请求的意思.

对~~
表示委婉

委婉的意思比Can好

语气婉转
同would
你想：你听过would you pleased do ,那为什么你不想为什么will要用过去时?一样的道理吧。

could you hold please? could you please turn could you please的用法 could you please 的答语 could you help me ,please?( ) could you please 用神魔回答 could you please tell me Could you please和 Could I please 句型Could you please.5个 Could I please 3个 Could you please ...和Could you...有什么区别 could you please clean your room翻译 Could you help me , please?怎么回答 Could you please tell请告诉我意思 Will(Wouid,Could)you please.造句 Could you please talk about your family? Could you please clean your room? could you please clean your room? could you make apple tea please?翻译 could you please to do something