Verb conjugation of "annex" in English

Thanks again for your time. I attached my avatar, it is very similar to the previous one. I have guided the development of the website, and I feel free to share my knowledge with others.
Everything in your letter is perfect! Almost no errors and the writing style, very impressive! After this first year in England, you have also improved your vocabulary and the grammar skills.
We may be able to write emails. This is my email address. I am giving it because I rarely online at Vocabulix! My email is: ----. Next time I will send longer text messages for you to translate. OK?