on Writing Forward:
One of the most common grammatical mistakes that we see in both speech and writing is misuse of the words lay and lie.
This error is so common, it even slips past professional writers, editors, and English teachers — all the time.
Maybe eventually these two words will morph into one and have the exact same meaning, but until then, it’s worthwhile to learn proper usage. For now, their meanings are completely different.
Let’s take a look at this interesting word pair and find out whether we should be using lay or lie based on each word’s definition.