Poetry have challenged the traditional definitions of the sonnet form, rendering entire sequences of "sonnets" that often lack rhyme, a clear logical progression, or even a consistent count of fourteen lines. "Shi" () Is the main type of Classical Chinese poetry. Within this form of poetry the most important variations are "folk song" styled verse ("yuefu"), "old style" verse ("gushi"), "modern style" verse ("jintishi"). In all cases, rhyming is obligatory. The Yuefu is a folk ballad or a poem written in the folk ballad style, and the number of lines and the length of the lines could be irregular. For the
Sonnet 57 undertone of forbidden love (reminiscent of Petrarch's signature poetry) and discusses the many double meanings present throughout the sonnet. Through his signature rhyme scheme and careful word choice Shakespeare not only creates a darkly lustful sonnet that resonates with many of his readers, but also manages to establish a connection between many of his sonnets and therefore weave an intricate and sophisticated story with many derived and extrapolated components. Literary critics such as David Schalkwyk see this sonnet as playing out a relationship with unequal power. He sees this relationship in Sonnets 26, 57, 58 and notes that it is