https://thevisualcommunicationguy.com/wp-content/uploads/2016/09/The-Four-Sentence-Structures_RGB-LowRes.jpg
https://www.grammar.com/biannual_vs._biennial#:~:text=Biannual%20or%20biennial%3A,means%20once%20every%20two%20years.&text=Biannual%20means%20twice%20a%20year,is%20called%20a%20biannual%20journal.
https://en.wikipedia.org/wiki/Oliver_Wendell_Holmes_Jr.

