Which of the following describes the structure of a shakespearean sonnet

There are fourteen lines  in a shakespearean sonnet. the  first twelve lines  divided into three quatrains  with four  lines  each. in the  three quatrains,  the poet establishes a theme or problem  and then  resolves it  in the final  two lines,  called the couplet. the  rhyme scheme of  the  quatrains  is  abab cdcd efef.

Ababcdcdefefggrhyme pattern ^if you know music for writing this type of poetry you need to keep emphasis on every 2nd beat, watch a video of them reading it if it