Sonnet 121’ by William Shakespeare is a fourteen-line sonnet that follows a consistent rhyme scheme of ABAB CDCD EFEF GG.
It is written in iambic pentameter, the most common of all English meters. In iambic pentameter, each line contains five sets of two beats, known as metrical feet.The first is unstressed, and the second is stressed. It sounds something like da-DUM, da-DUM.