Simple Sentences:
* She devotes her free time to volunteering at the animal shelter.
* He devotes himself entirely to his studies.
More Complex Sentences:
* The artist devoted years of her life to perfecting her craft.
* The company devotes a significant portion of its budget to research and development.
* He devoted his heart and soul to his wife and children.
Formal Sentences:
* The author devoted an entire chapter to the historical context of the novel.
* The organization devotes itself to the eradication of poverty.
Informal Sentences:
* I'm devoting the whole weekend to binge-watching my favorite show.
* I devoted all my attention to the lecture because it was so interesting.
The word "devote" can be used in a variety of contexts to convey a sense of commitment, dedication, and focus.