Question

1. He lay on the floor.
2. He was lying on the floor.
[Are both okay? Which one is commonly used?]

3. He laid the box on the table.
4. He put the box on the table.
[Are both the same?]

5. He lied to her.
6. He told a lie to her.
[Ar both grammatical?]

Answer 1

All are grammatically correct, yes.

Answer 2

1. He lay on the floor.
2. He was lying on the floor.
[Thank you for your help. Does #2 mean state or action?]

Answer 3

The verb “lie” and all its forms are considered action verbs. Someone is doing something.