The other three men got down on their hands and knees.
I had to get down on my hands and knees.
He took me out and got down on one knee.
I'm going to get down on one knee and ask for your hand.
Then he got down on one knee and told me a few more things.
I got down on my knees and looked under the bed.
And I'm going to have to get down on my knees.
When he did, she got down on her knees in front of him and went to work.
She started to get down on her knees by the child.
She didn't see them at first, and got down on her knees to look under the bed.