 These 21 short videos will help you quickly see and understand the relationships and patterns between various types of irregular verbs so that you can use them properly. Verbs like BUILD This video will help you see relationships among various types of irregular verbs in English. The key to understanding irregular verbs is to look for and notice the patterns. The next one is verbs like BUILD. For verbs like BUILD, a final T is added or the final sound is changed from a D to a T. The original vowel sound doesn't change. For example SPILD, SPILT, SPILT. We can also use the regular verb ending here SPILD, SPILD. BUILD, BUILT, BUILT. BUILD, BUILT, BUILT, BUILT. And here you can also use the regular ED ending BUILD, BUILT, BUILT.