Expresses an expectation, 'should' or 'it is supposed to'.
Long explanation:
The ~はずだ grammar point is used to express an expectation or belief that something is true, even if it has not been confirmed. It can be translated as 'should', 'it is supposed to', or 'ought to' in English. The formation differs depending on whether it is used with a verb, い-adjective, な-adjective, or noun.