We’re tackling one of the less obvious grammatical foibles today. Did you know that there is a difference between lay and lie? Because there is! Let’s explore.
Other than the definition of “to tell an untruth,” lay and lie are often used interchangeably. But lay is a transitive verb, meaning it requires a subject and one or more objects. Lie, on the other hand, is an intransitive verb, which means that it doesn’t need an object.
So if you wanted to say that you (the subject) lay on the floor (the object) in the fetal position all day yesterday, that’s correct. If you said that you lay in said position all day regularly, that would be wrong.