Example of courteous expression?

1. Could you (please)...

2. You might want to…

3. Might I have …

4. May I suggest …

5. I would be delighted to …

6. It's a great pleasure to …

7. We are honoured to …

8. If you don't mind I suggest that…

9. I would like to invite you to …

10. My pleasure!

11. With respect I would like to say …

12. Please be seated!

13. I'm afraid we are not very happy with …

14. I would be very pleased to … / if you could …

15. May I have everybody's attention please!

16. What would you say about …

17. Let's have a drink, shall we?

18. Shall we say ….?