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
Curtal sonnet are translated into the last four and a half lines of a curtal sonnet. Hopkins describes the last line as half a line, though in fact it can be shorter than half of one of Hopkins's standard sprung rhythm lines. In the preface to his "Poems" (1876-89), Hopkins describes the relationship between the Petrarchan and curtal sonnets mathematically; if the Petrarchan sonnet can be described by the equation 8+6=14 then, he says, the curtal sonnet would be: Hopkins's only examples of the form are "Pied Beauty," "Peace," and "Ash Boughs." "Pied Beauty" is as follows, showing the proportional relation to