rewrite this letter?

English as a Second Language English Vocabulary, Grammar and Idioms
1

Could you help me rewrite this letter? You can change according your own suggestion.
Thank you.

I am sorry that I’ve not sent you any email since last email. I wondered that if the former email was a polite request for help. If you have any question or suggestion, please feel free to let me know so that it would be beneficial for me.

2

Who sent the last email? Who might have asked for help?

3

I am one who sent and asked for help.

4

I am sorry that I’ve not followed up on my last email. I was asking for help, and if you have any questions or suggestions, please let me know.

5

I asked an expert to help me to analysis some data. But I am not sure that my last email is an impolite asking for help. How can I add this sentence?

6

I am sorry that I’ve not followed up on my last email. I hope I was not impolite in asking for help. If you have any questions or suggestions, please let me know.

7

Great! Thank you so much Mister Micawber