7. I should be obliged if you would inform me that (of)
8. I should be glad if you would inform me that (of)
9. I should esteem it a favour if you would inform me that (of)
10. I will thank you to inform me that (of)
11. You will greatly oblige me by informing that (of)
12. We shall be obliged if you will inform us that (of)
13. We shall be pleased to have your information regarding (on, as to; about)
14. We shall deem it a favour if you will advise us of
15. We shall esteem it a high favour if you will inform us that (of)
（4）特确认，本公司某月某日函件……
1. We confirm our respects of the l0th May
2. We confirm our letter of the l0th of this month
3. We confirm our last letter of the l0th June
4. We had the pleasure of writing you last on the l0th of this month
5. We confirm our respects of the l0th June
6. We confirm the remarks made in our respects of the l0th July
7. We confirm the particulars of our enquiry by telephone of this morning
8. In confirming our telegram of this morning, ---
9. Confirming our respects of the 10th May,---
10. Confirming our last of the 10th June,---
（5）贵公司某月某日函电，敬悉……
l. We have pleasure in acknowledging receipt of your esteemed favour of the 3rd May
2. We are pleased to acknowledge receipt of your favour of the lst June
3. We have to acknowhedge receipt of your favour of the 5th July
4. Your letter of May 5 was very welcome
5. Your letter of April l0 gave me much pleasure
6. Your esteemed favour of 7th May was duly received by us
7. Your favour of the 5th June is duly to hand
8. Your favour of the l0th is to (at) hand
9. We are in due receipt of your favour dated the 7th June