What pattern does the Shakespearean sonnet follow?

Shakespearean sonnets are an example of an Italian or Petrarchan sonnet, where the sonnet is fourteen lines. Sonnet Structure: * 14-line poem * Written in iambic pentameter * Rhyme scheme * Shakespearean/ English Sonnet: ABAB CDCD EFEF GG. * Petrarchan/ Italian Sonnet: ABBA ABBA CDECDE or CDCDCD