dialogue: Ali: I think I left my wallet at your place yesterday. Could you check? 
  Mohammad: Give me a sec, I'll have a look around my room.
  Ali: OK.
  Mohammad: Found it!
  Ali: Phew, I don't know what I'd do if it wasn't there. Can you bring it to uni tomorrow?
  Mohammad: Sure thing.
summary: Ali left his wallet at Mohammad's place. Mohammad'll bring it to uni tomorrow.