[header] How to write a villanelle [title] Learn the rules of a villanelle. [step] The villanelle has 19 lines, split into 5 tercets (three-line stanzas) and 1 quatrain (a stanza of 4 lines). There are two repeating rhymes and two " refrains, " or repeated lines. 
[substeps] The 1st and 3rd lines alternate as the last lines of stanzas 2 , 3, and 4. The last stanza uses the 1st and 3rd lines as a rhymed couplet.