Choose a story or example to illustrate each one. (Ideally the examples come from experiences listed in your resume.) These will form the body of the letter.Open your letter with a strong sentence that defines the purpose of the letter. All letters of application should follow the standard business letter format. The letter should capture the employer's attention, show why you are writing, indicate why your employment will benefit the company, and ask for an interview. Writing a professional clerical cover letter? Use our free cover letter sample and templates to get you started on your job search. Wondering how to use ChatGPT to write a cover letter? Clerk Cover Letter Sample. Dear Recruiting Team,.