The professor used several harmonic progressions as examples during the lecture.

The mathematician explained how a harmonic progression is formed when the reciprocals of its terms make an arithmetic progression.

The astronomer's notes showed a surprising geometrical progression in the spacing of the rings.

In her lecture, she compared the convergence of different geometrical progressions to illustrate the concept.

Many economists argue that a progressive tax encourages social equity without stifling entrepreneurship.

In this grammar exercise, mark each verb as either progressive or non-progressive.

The band's new album blends traditional mandolin picking with drums and electric riffs, redefining progressive bluegrass for a younger audience.

The general explained that a progressive war seeks to neutralize only active enemy fighters while minimizing civilian collateral damage and casualties.

The workshop taught participants how to implement progressive stacks during public meetings to amplify marginalized voices.

At the town hall, the facilitators implemented a progressive stack so that speakers from marginalized groups could speak first.