How to Write Senryu and Tanka Poetry Forms
Here is a one page printable lesson to teach two poetry forms. Senryu is a form of poetry with a 5,7,5 syllable scheme. It is like a haiku, but a senryu focuses on human behavior while a haiku focuses on seasons and nature.
This freebie on Artistry of Education has an example of each form and blanks for students to write their own.