Present Participle: The form ending in “-ing,” used to indicate continuous or progressive actions (e.g., “being,” “beginning,” “breaking”).Past Participle: The form used with “have” to indicate a completed action (e.g., “been,” “begun,” “broken”).Past Simple: The past tense form of the verb (e.g., “was/were,” “began,” “broke”).Base Form: This is the infinitive form of the verb without the “to” (e.g., “be,” “begin,” “break”).We have included the following forms of these irregular verbs here in the tables below to give you some ideas. What is included in the irregular verb tables? However you will find the vast majority of English irregular verbs here in these tables. While this list is large we have omitted some of the very rare verbs just to keep the length of the page manageable. Keep in mind that language is constantly evolving, so this number might not be fixed over time. Instead, they undergo internal changes in spelling, such as “sing” becoming “sang” in the past simple and “sung” in the past participle. These verbs do not follow the standard pattern of adding “-ed” to form their past simple and past participle forms. However, it is generally estimated that there are around 200-250 irregular verbs in English. There is no exact number of irregular verbs in the English language, as this can vary depending on the source and the criteria used to define irregularity.