| Verbs | ||
| Regular | Irregular | |
| Characteristics | The stem of a verb + the suffix –ed | Past tenses and past participle are formed by other means (a word changes in its stem) |
| Examples | They invited us for a party. We have studied the problem. You have been asked an important question. | He brought an exquisite book. She has gone to Liverpool We have been taught since our cradle. |