Sonnet 11 his name. An English sonnet is made up of fourteen lines grouped into three quatrains and an ending couplet, with the rhyme scheme "ABAB CDCD EFEF GG". Sonnet 11 exhibits this structure. The sonnet has four feminine endings (accepting the Quarto's contraction of "grow'st" and "bestow'st"). "Convertest" would have been pronounced as a perfect rhyme with the second line's "departest", a holdover from Medieval English. Carl D. Atkins notes "This is a sonnet of contrasts: feminine lines, regular lines; regular iambs, irregular line 10; no midline pauses, multiple midline pauses; waning, growth, beauty, harshness, life and death, beginning and end."
Sonnet 99 appears as one syllable (in lines 7, 10, and 15). Line 13's "eate" equals modern past tense "ate". As to its fifteen lines, sonnet structure has never been absolutely fixed, and Sidney Lee adduces many examples of fifteen line sonnets. An extra line is particularly common in linked sonnets, and this sonnet is linked to 98; Malone ended 98 with a colon to demonstrate the connection. However, other scholars have remarked on the clumsiness of the first line and suggested that the quarto text represents an unrevised draft that found its way into print. Edward Massey and others asserted that