Sonnet 41 three sonnets (40, 41, 42) that dwell on this betrayal of the speaker. This sonnet is also notable for the textual references made to Shakespeare's other works. The sonnet is written in the typical Shakespearean sonnet form, containing 14 lines of iambic pentameter and ending in a rhymed couplet. Shakespeare's sonnets conform to the English or Shakespearean sonnet form. The form consists of fourteen lines structured as three quatrains and a couplet, rhyming "abab cdcd efef gg" and written in iambic pentameter, a type of poetic metre based on five pairs of metrically weak/strong syllabic positions. While Shakespeare's versification maintains
Sonnet 57 type of poetic metre based on five pairs of metrically weak/strong syllabic positions. The sixth line exemplifies a regular iambic pentameter: The first line exemplifies an initial reversal and (optionally) a mid-line reversal: Rhian Williams asserts, "In literary value Shakespeare's sonnets are notably unequal. Many reach levels of lyric melody and meditative energy that are hardly to be matched elsewhere in poetry". His 57th sonnet is such a one and epitomises Shakespeare's signature sonnet structure as it conveys the influences of the 14th-century poet, Petrarch, and showcases again Shakespeare's talent. In fact, Danijela Kambasković-Sawers generalises, "The sonnet sequence genre constructs