No comma before or after a preposition - The Critical Reader
https://thecriticalreader.com/no-comma-before-or-after-a-preposition28.02.2011 · No comma before or after a preposition. One of the most common grammatical errors on the ACT English Test and, to a slightly lesser extent, the SAT Writing Test is the use of a comma before or after a preposition (a “time” or “location” word). Of, To, For, From, In, On, By, Between, About, With, Around, Across, Through, Over, Under.
Prepositions - Grammar - Academic Guides at Walden University
academicguides.waldenu.edu › grammar › prepositionsA preposition is a word or group of words used before a noun, pronoun, or noun phrase to show direction, time, place, location, spatial relationships, or to introduce an object. Some examples of prepositions are words like "in," "at," "on," "of," and "to." Prepositions in English are highly idiomatic.