Verb conjugation of "dust" in English

I am asking you to give me a reply as soon as possible so that we can proceed. Have you ever tested the new version? Many users are waiting for it, and are sending me lots of emails about it.
How is the weather in Hamburg? We have 15 degrees and some sunshine here in the south. I have some remarks on your mail. If you write again and if you wish, I can correct your spelling mistakes.
I guess the whole idea is about improvement, correct? How are you these days anyway. Since I want to practice a bit, I decided to join here. I'll be happy to start with you. Let us try it.