The document summarizes two types of sonnets: 1) The Italian or Petrarchan sonnet consists of an octave followed by a sestet with a rhyme scheme of abba abba for the octave and various schemes for the sestet. It provides an example by William Wordsworth. 2) The English or Shakespearean sonnet has a rhyme scheme of abab cdcd efef gg and is typically about romantic love. It provides an example by William Shakespeare.