You set it down.
No, you set the book down or lay the book down, but you don't "sat the book down"
No, but remember that if you lay it down at 30 miles per hour on asphalt you will lose an inch of skin and bone a second.
They LIE down (to lie, lay, lain). LAY the table, please! (to lay, laid, laid).
Get Down or Lay Down was created in 2000.
Take a baking pan, lay down foil, lay down bacon, pour JD, set the oven for 350 F. and cook until it is as done as you would like it
Lay Me Down was created in 2010.
It is not a combined form. The word "down" is an adverb. It can modify verbs such as lay.
The past tense of "lie down" is "lay down."
You can't lay down in clubpenguin. Sorry.
"The man rode his motorcycle down the highway."
The past tense of "lay down" is "laid down."
"lay" is a verb and "down" is an adverb.