Phrasal Verb - Run Out (Of)

Run out (of) = Become empty/Exhaust a supply of (money, food, milk, etc…) 

(Inseparable)(Transitive & Intransitive)

Examples:

“I went to London, but it was so expensive that I RAN OUT OF money in 2 days!”

“Is there any beer left?” … “No, we’ve RUN OUT”

Note: use “run out OF” only with an object… 

Example:

“We’ve run out OF milk”

“Is there any milk in the fridge?” “No, we’ve run out of.”