Prepositions of time,preposition of place

Prepositions of time are crucial in English for indicating when events occur. Key prepositions include "at," "in," and "on." "At" is used for precise times, like "at 3 PM." "In" covers longer periods, such as months or years, as in "in April" or "in 2020." "On" specifies days and dates, like "on Monday" or "on July 4th."