1.請(qǐng)求：
Could you please+do sth.
Could you+do sth.
Would you please+do sth.
Would you+do sth.
肯定回答：Sure./Of course./No problem./I’d love to.
否定回答：Sorry./I’d love to but I…
例：1)Could you please clean our yard?
你能打掃一下我們的院子嗎?
2)Could you turn to page 34?請(qǐng)翻到34頁(yè)好嗎?
3)Would you please turn on the light?請(qǐng)打開(kāi)燈好嗎?
4)Would you close the door?請(qǐng)關(guān)上門(mén)好嗎?
2.委婉地提出被允許做某事：
Could I please+do sth.
Could I+do sth.
肯定回答：Sure./Of course./No problem.
否定回答：Sorry.
例：1)Could I please borrow your car?我可以借你的車嗎?
2）Could I buy some drinks and snacks?我可以買(mǎi)一些飲料和小吃嗎?