"Blow, Blow Thou Winter Wind," Shakespeare uses an extended metaphor comparing the winter elements to human unkindness. Write a narrative journal entry in which you create your own extended metaphor about winter. Pick something to compare with winter. It might be a feeling, a type of behavior, or even a person. Write a two-paragraph description or a twenty-line poem using the extended metaphor. lain how prepositional phrases work together to improve a piece of writing.