 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 send 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. With verbs like send, there is no vowel sound shift in the past and the past particle. But the final D sound is changed to a T. Let's look at some examples. Bend, bent, bent. Blend, lent, lent. Send, sent, sent. Spend, spent, spent. Now that seems easy, but you have to be careful with these because not all of the words that end in E-N-D take on the T ending. Some of them use the regular E-D ending. For example, the word end. It's ended in the past particle and in the past. Blend, blended, blended. Mended, mended. So it's a little bit different there.