You can of course have mix of bound and unbound forms if you add a sub_form or two but this will still probably need some coding to automate and join any relationships between forms (if required). Also, a 'bound' form can have a mix of controls of bound (to a field) and unbound (no data values) items to provide a smoother interface that would otherwise be too clumsy by design to stick with just the one type.
Block_style paragraphing with three or four paragraphs should be enough. The introduction indicates how you learned about the company and the position you're applying for. It should also include your significant qualifications. The second paragraph is reserved for your background and other credentials. The final paragraph expresses your desire to be interviewed and gratitude for your employer's time. Make sure the first sentence has an impact. Write a catchy headline. Follow it up with an enumeration of your past job experiences and your individual strengths vital to a company. Avoid the Costly Mistake of Misusing Cover Letter Templates