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 1 the sonnets "may not be in an order which is absolutely correct but no one can deny that they are related and that they do show some development some 'story' even if incomplete and unsatisfactory". Sonnet 1 has the traditional characteristics of a Shakespearean sonnet—three quatrains and a couplet written in iambic pentameter with an ABAB CDCD EFEF GG rhyme scheme. Many of Shakespeare's sonnets also reflect the two-part structure of the Italian Petrarchan Sonnet. In this type of sonnet (though not in Sonnet 1) "the first eight lines are logically or metaphorically set against the last six [and] an