Show Them You Can Hit the Ground Running
Most of the time, you can hardly go wrong by being polite, but there is a tendency among job candidates to be politely tentative at a job interview, peppering the conversation with such phrases as “if I get the job,” “if you make the decision to offer me the position,” and “assuming there is an offer.” It’s understandable not to want to appear presumptuous—or foolish—but if you are politely tentative, it’s the tentative part that will come through more strongly than the politeness. Better to be a little presumptuous. Walk into the interview assuming you will be offered the job.
Ask questions that embody enthusiasm as well as ability and willingness:
How soon do you want an employee in place?
If (and ...