plagal

The plagal cadence, sometimes known as the Amen cadence from ecclesiastical use, is the progression from the chord of the subdominant to the tonic, IV - I.

变格终止，有时也被称为源于教会“终止”，是指从下属音弦到主音弦进行，IV–I。

The word is generally used to indicate the harmonization of the two final notes, classified as authentic or perfect, plagal, half or imperfect, and deceptive or interrupted.

这词常用于提示最音谐，分为完全终止，变格终止，半终止伪终止。