This document discusses the pronunciation of regular verb endings with -ed. It states that -ed is pronounced as /t/ after voiceless sounds like /k/, /p/, /s/; as /d/ after voiced sounds like /l/, /n/, /v/, /b/ and vowel sounds; and as /əd/ after /t/ and /d/ sounds, adding a syllable. It provides pronunciation examples in phonetic transcription for words like "talked", "called", and "waited" to illustrate the rules.