lie: (人, 動物)躺, 臥; (東西)被平放
lay lain lying
to be in or move into a horizontal position on a surface
ex: A pen lay on the desk.
lie: 說謊
lied lied lying
to say or write something which is not true in order to deceive someone
ex: Are you lying to me?
lay: 放置
laid laid laying
to put something in especially a flat or horizontal position, usually carefully or for a particular purpose
ex: He laid the tray down on the table.