May the force be with you
You might recognize the phrase May the force be with you from the Star War movies.
The date May the fourth sounds a lot like that. So now we call that Star Wars day 😉
Here are some exercises about MAY
The Blue Book of Grammar and Punctuation: An Easy-to-Use Guide with Clear Rules, Real-World Examples, and Reproducible Quizzes
Understanding and Using English Grammar, Student book with Essential Online Resources - International Edition
The English Grammar Workbook for Adults: A Self-Study Guide to Improve Functional Writing
A Manual for Writers of Research Papers, Theses, and Dissertations, Ninth Edition: Chicago Style for Students and Researchers (Chicago Guides to Writing, Editing, and Publishing)