41. Verbisoids can be beaten by irregular verbs . 42. For irregular verbs , see English irregular verbs. 43. Hindi has only a few irregular verbs and they are so common that you learn them quickly. 44. Many other irregular verbs are easily recognized because the " pass?simple " often resembles the past participle. 45. This is closely related to Parkinson's disease because both of the diseases have trouble in distinguishing irregular verbs . 46. Examples of the present tense of each class and some common irregular verbs follow in the tables below: 47. Only a few irregular verbs of more than one syllable cannot be analyzed as prefixed compounds of monosyllables. 48. There are more than 200 strong and irregular verbs , and there is a gradual tendency for strong verbs to become weak. 49. The irregular verbs include many of the most common verbs : the dozen most frequently used English verbs are all irregular. 50. For the irregular verbs shrink and sink, the simple past tense is " He shrank the material and sank the boat ."