The document discusses different forms of sonnets including the Petrarchan sonnet, Shakespearean sonnet, and Spenserian sonnet. It describes the typical structure of each in terms of rhyme scheme, form, and meter. The Petrarchan sonnet follows an octave-sestet structure with a rhyme scheme like ABBAABBA for the octet and CDE CDE or CDC DCD for the sestet. The Shakespearean sonnet has three quatrains and a rhyming couplet with a rhyme scheme like ABAB CDCD EFEF GG. The Spenserian sonnet is a variation of the Shakespearean form.