coulda<口> = could have
couldaux.可以;能;可能;can的过去式
Could you drive me home?
Could you write it down?
Could I take your order?
Could I sweep the floor?
Could not start print job.未能开始打印工作。
Could he climb the wall?
Could not find any device.无法找任何的装置。
Could I smoke in office?
Could I see Mr. Brown?
Could I borrow your pen?