Which sentence fragmen tis correct: ". . .an argument to which he had lain witness" or ". . .an argument to which he had laid witness"?
Why I'm confused: Lay/laid/laid refers the placement of a (material) object (such as a book) while lie/lay/lain refers to the reclining of one's self. Since there is reference to "he," it seems as though the word choice should be "lain," especially since there is no placement of a (material) object.
MS Word's "grammar" doesn't agree with this reasoning and warns me that I might have some verb confusion with the use of "lain," that "some verbs do not take a direct object to complete their action while other verbs must have a direct object."
I'm not a teacher, but still want very much to understand. None of my reference materials have clarified this for me. Please explain, especially in/direct objects. Thanks so much.