The document discusses the pronunciation of regular past tense verbs ending in 'ED'. It explains that verbs ending in T, D, P, K, SH, CH, GH, TH, SS, C, or X keep the same number of syllables and are pronounced with a 't' sound, while verbs ending in L, N, R, G, V, S, W, Y, or Z keep the same number of syllables and are pronounced with a 'd' sound. Verbs ending in T or D gain an extra syllable and are pronounced with an 'id' sound. Several examples of verbs are provided for pronunciation practice.