The ending- ed in verbs

The ending -ed is pronounced as an extra syllable /id/, or as /t/ or /d/ at the end of the simple past and past participle forms of verbs. The pronunciation depends on the final sound of the simple form of the verb:

If the simple form of the verb ends with the sounds /t/(start) or /d/(need) , then pronounce -ed as an extra syllable [id].

Regular verbs with the -ed suffix //// If the simple form ends with voiceless sounds /f/, /k/, /p/, /s/, /sh/, /ch/, /ks/ then pronounce -ed as [t]

If the simple form ends with the voiced sounds /b (like in stabbed)/, /g (bragged)/, /j/, /m/, /n/, /ng/, /l/, /r/, Ithl, /v/, /z/, or with a vowel then pronounce -ed as [d]