He keeps himself clean by taking a daily bath.
He swept the floor clean.
Store the food in clean utensils.
We should keep our body clean.
Do you clean your teeth after meals?
How do you expect your kid to keep his nose clean, if you don’t.
We clean the house with water.
We clean the utensils with water.
Do you keep your pets clean?
Plants clean up the air and keep it fresh.
I am very particular about keeping his surrounding clean.
I clean my car two times a week.