to be|be|to Idiom
to-be|be|to
adj. That is going to be; about to become.

Used after the noun it modifies.
Bob kissed his bride-to-be. The principal of the high school greeted the high school students-to-be on their last day in junior high.to-be|be|to
adj. That is activity to be; about to become.

Used afterwards the noun it modifies.
Bob kissed his bride-to-be. The arch of the aerial academy greeted the aerial academy students-to-be on their aftermost day in inferior high. Dictionary