Proofread and make this article reads american

I am a native English speaker, seasoned writer, experienced editor, and proofreader with over 15 years in this business. I am a high school language teacher by trade and I also teach English, Computing, and Education classes at the college level. I hold several graduate degrees and certifications and I believe that I am fully qualified to help you complete your project in a timely fashion. I value your business and aim to please because I rely on repeat clients. Please check out my profile here on freelancer as well as my website: [login to view URL]

I am a seasoned academic writer, and hold a professional certificate and experience of undertaking research and preparing academic papers such as essays, assignments, research papers, dissertations etc. I will provide you with a well proofread paper.

I've worked as a proof reader many times previously and have high grades across the board in English. I would be able to proof read and edit your document appropriately in three hours. Please contact me for any more information.

Hi there? I have checked and understood your project. I can do it and present quality work and within no time. Contact me to put a seal on this deal, thank you.

I've read your proposals and they seem mostly all right. A couple of prepositions need changing and I would punch up some descriptive expressions. I can do a more thorough proofreading and offer some suggestions for a more consistent style.