Another common grammar mistake is ending a sentence with a preposition,” the author wrote. “A preposition, by its nature, indicates that another word will follow it.

Basically, yes, it’s totally OK to end a sentence with a preposition, though you might want to avoid it in some more formal contexts. After all, ...

Can you end a sentence with a preposition? Merriam-Webster says yes The dictionary publisher's guidance on the practice has people riled up. Grammarians say the made-up rule is one big waste of time.