Villanelle of the third and fifth stanzas. The rhyme-and-refrain pattern of the villanelle can be schematized as AbA abA abA abA abA abAA where letters ("a" and "b") indicate the two rhyme sounds, upper case indicates a refrain ("A"), and superscript numerals ( and ) indicate Refrain 1 and Refrain 2. The pattern is below set against "Do not go gentle into that good night" by Dylan Thomas: The villanelle has no established meter, although most 19th-century villanelles have used trimeter or tetrameter and most 20th-century villanelles have used pentameter. Slight alteration of the refrain line is permissible. With reference to
Dylan Thomas Paul Ferris describes as "unusually blunt"; the ribald "Lament" and an ode, in the form of a villanelle, to his dying father "Do not go gentle into that good night". Despite a range of wealthy patrons, including Margaret Taylor, Princess Marguerite Caetani and Marged Howard-Stepney, Thomas was still in financial difficulty, and he wrote several begging letters to notable literary figures including the likes of T. S. Eliot. Taylor was not keen on Thomas taking another trip to the United States, and thought that if Thomas had a permanent address in London he would be able to gain steady work