Irregular verbs

An irregular verb is one that does not take the -ed ending for the Past Simple and Past Participle forms. Some irregular verbs do not change; put put put, while others change completely; buy bought bought, etc.

There are more than 600 irregular verbs, to  view over 470 irregulars verbs including rare and antiquate forms, click here

In modern English the list is reduced to 370 verbs,
click here

Although in class we only study 100.

Here  you can view an interesting list that includes the 3rd person singular (present simple) and the present participle or gerund of the common irregular verbs.