Excuse me, does lay itself mean to lie down, or does it mean the past tense of Lie? Thank you.

Lay itself does not mean "lying down". Lay only means "lie down" as the past tense of Lie.

First of all, lying

It means:

1, 5. Lying; Lie down; Recumbent; (cause) to be in a state; Located; Located; Acceptable; Registrable

2. Lies; State; Direction; Location; (Lie) Name: Lion

The past tense of "lie" is: Lay or lied.

She felt it? Lying? Not convincing, but he seems to believe it.

She thought the lie was not credible, but he seemed to believe it.

Second, lay the foundation

"Laying" as a prototype means:

1, v. Put it down; Laying; Put it away; Production; Have sexual intercourse with; Sail forward; Finishing; compile

2. landform; Sexual intercourse; Laying eggs; Spawning period; Lyric (or narrative) short poems; Location; Direction; Distorted direction; Sexual partners with special abilities (or easy to find); song

3. Secular; In the vulgar; Amateur; area out of bounds

As the past tense of "lie", "lay" means to lie down.

Mothers usually let their babies sleep on their backs.

Mothers usually put their babies to sleep.

Extended data

"Lies" related phrases:

1, a white lie? A white lie; No malicious lies; A harmless lie; A white lie

2. Lying down? Depends on; Lies in; By; Make a decision, etc

3. Lying down? Lying on the edge; Approaching; rest

4. Lying down? Located; Slightly far; Keep a certain distance from …

5. Lie in the back? For something; After ...; Is the reason; Be the foundation of ... ...