1. Used to indicate being together or being involved. Example : I ordered a sandwich with a drink.
2. Used to indicate "having". Example : I met a guy with green eyes.
3. Used to indicate "using". Example : I wrote a letter with the pen you gave me.
4. Used to indicate feeling. Example : I am emailing you with my sincere apology.
5. Used to indicate agreement or understanding. Example : Are you with me?