Lay vs. Lie: What's the Difference?
Quick Answer
lay = to place something (transitive — always needs an object)
lie = to recline / be horizontal (intransitive — no object)
Explanation
LAY (transitive)
To put/place something somewhere
Always needs an object after it
Present: lay
Past: laid
Past participle: laid
"Lay the book on the table."
"She laid her coat on the chair."
LIE (intransitive)
To recline or be in a flat position
No object needed after it
Present: lie
Past: lay ← (confusing!)
Past participle: lain
"Lie down and rest."
"Yesterday I lay on the sofa."
⚠ The Tricky Part: Past Tenses
The past tense of lie is lay — the same word as the present tense of lay. This is what causes most confusion.
- "I lie down every afternoon." → "Yesterday I lay down for an hour."
- "Please lay the table." → "She laid the table for six people."
Examples
Common Mistakes
Incorrect: The dog is laying on the couch.
Correct: The dog is lying on the couch. (lie = recline, no object)
Incorrect: He lied the book on the shelf.
Correct: He laid the book on the shelf. (past tense of lay)
Practice
Choose the correct form:
"She was so tired that she _____ down on the sofa and _____ her head on a pillow."