Three categories of harmonic progressions

Cadential progressions: confirming a tonal center (see also cadence types)
a. authentic
b. half-cadential
c. deceptive

Caplin cadential progressions

http://www.music.mcgill.ca/acf/example1-2.php


Prolongational progressions: the sustaining in time of an individual harmony by using:
a. neighbouring chords
b. and c. passing chords 
c substitute chords
d. a pedal point


Caplin prolongational progressions

 http://www.music.mcgill.ca/acf/example1-1.php


Sequential progressions: a melodic-contrapuntal pattern (temporarily independent of harmonic functionality
a. descending fifth
b. ascending fifth
c. descending second
d. ascending second

Caplin sequential progressions

 http://www.music.mcgill.ca/acf/example1-3.php

 

Caplin, W. E. (2001). Classical form: A theory of formal functions for the instrumental music of Haydn, Mozart, and Beethoven.