The document discusses the pronunciation of verbs ending in "-ed" in English. There are three sounds that "-ed" can make depending on the final sound of the verb: a /t/ sound for verbs ending in voiceless sounds like /p/, a /d/ sound for verbs ending in voiced sounds like /b/, and an /ɪd/ sound for verbs ending in /t/ or /d/. Knowing the correct pronunciation of "-ed" is important for clear connected speech when a word ending in a consonant is followed by a word beginning with a vowel.