Answer :
Final answer:
According to Rule 20, the pronunciation of "-ED" in past tense depends on the sound at the end of the base word.
Explanation:
According to Rule 20, when the base word ends in /d/ or /t/ and the past tense ending "-ED" is added, the pronunciation of "-ED" depends on the sound at the end of the base word. If the base word ends in a voiced sound, such as /d/, /v/, or /g/, then the final consonant sound of the base word is pronounced and "-ED" says /d/. For example, the word "played" ends in /d/ and the final /d/ sound is pronounced. If the base word ends in an unvoiced sound, such as /t/, /f/, or /k/, then the final /t/ sound of the base word is pronounced and "-ED" says /t/. For example, the word "worked" ends in /t/ and the final /t/ sound is pronounced.
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