The first paragraph is explaining what job you are applying for and where you heard it was open. The second is you showing them your past experience with things related to the job and the last paragraph is where they can contact you and where you thank them.
This is how. Shakespeare used a metrical<span> pattern consisting of lines of un</span>rhymed iambic<span> pentameter, called blank verse. His plays were composed using blank verse, although there are passages in all the plays that deviate from the norm and are composed of other forms of poetry and/or simple prose.</span>