The rhyme scheme is unusual, but Keats breaks the form with this five-part poem. The rhyme pattern is A - B - A - B - C - D - E - D - C - E. There is apattern of interwoven paradoxes which persist throughout the Ode, contributing to its unity of thought and the development of its main theme (that the Urn has managed to achieve immortality). The first stanza sets the pattern of paradoxes that runs throughout the poem. Firstly in its structure, it is split into two sections - the first four lines are a series of apostrophes, personifying the urn, and addressing it in its special association to silence and time, and the last six are a series of questions. ... ... middle of paper ... ...self from the urn to consider its overall significance in relation to human life and passion.