could
Could I (we, you,...} ?
用：表示婉转、客气的请求二这种说法比“CartI {we, you)?
用：我(我们、你、你们一能…吗?我可以…呜?
例，Could you please shut the door?
能请您关上门吗?
Could I sit勿the window?
我能靠窗子坐吗?
Could we come a bit earlier?
我们可以早一点儿来吗?
Could I interrupt a moment?
我能打断您一会儿吗?
I couidn't.
用：表示谢绝，但语气婉转。
意：不…了.谢谢。
例 A: Have another slice of cake?
再吃一片蛋糕巴。
B: I really couldn't.
我真吃不下了。
A: Would you like another cup of coffee`'
再来杯咖啡好吧?
B: No, I couldn't
不，不要了。
Yau could (always).
用：提出建议、邀请等，但语气婉转几
意：不妨您…;要不就一;您总可以，二吧
例 .You could always try the library to see if they might be able to he3
你不妨问问图书馆，看他们能不能帮助你。
.You could always take a taxi if you're in a hurry.
如果你赶时间的话，不姑就坐出租车走吧。
