The poem "ode to the west wind" Consists of five sections or what we call "cantos". written in Terza rima (an interlocking three-line scheme). Each of the sections consist of four tercets( set or group of three lines of verses that rhyme together).....(ABA,BCB,CDC,DED). And a rhyming couplet (EE) the poem is written in iambic pentameter(a line or verse with five metrical feet).