could /would/may/wonder
委婉表达请求，邀请
1，Could you please lend me some money?
2，A:Would you like to have some desert? B: yeah great/Lovely/I'd love to
3，May i have ur name?
4，I wonder if u can give me ur phone number?
Afraid
委婉说No
I am afraid i can't
I am afraid not
第六期 巧言需有礼
三，I'd like
常用它表达想要，而不是I want
四，Shall /How about/What about建议
What shall we do tonight?
Where shall we go this evening?
How about going to the cinema?
--Yeah, great/okey /sounds good /
--Sorry, I would prefer to go out for a meal
五，
