In the grammar workshop, the students debated whether the future progressive is preferable to the future simple for describing ongoing actions.

During the royal progress, the monarch visited remote villages to inspect local defenses and meet their subjects.

The sequence 3, 7, 11, 15 illustrates an arithmetical progression with common difference 4.

Linguists documented several progressive assimilations in the regional dialect during the twentieth century.

In our phonetics seminar, we analyzed progressive assimilation and observed how a consonant becomes more like the preceding sound.

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.

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

The studio was filled with works in progress, each showing a different stage of the artist's experimentation.

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