The simple past tense is used to talk about actions or states that have finished in the past. It is formed by adding "-ed" to the base form of regular verbs. The pronunciation of the "-ed" ending depends on rules based on the final sound of the base verb. If it ends in a voiceless sound like "p" or "k", "-ed" is pronounced as "/t/". If it ends in a voiced sound like "b" or "g", "-ed" is pronounced as "/d/". When the base ends in "t" or "d", "-ed" is pronounced as "/ɪd/". The document provides examples and explanations of these rules for forming and pronouncing the