College Claparede (Switzerland)
Edu.ge.ch: English Exercises: Irregular Verbs 1
This 30-question quiz asks students to select the missing verb from the conjugation; for example, bite-bit-select bitten from the drop down menu. Java is required.
Towson University
Towson University: Ows: Irregular Verbs Exercise 3
This is a 10-question, self-grading exercise/quiz on the using the correct forms of Irregular Verbs. It is suitable for ESL and regular English classes.
Robin L. Simmons
Grammar Bytes: Irregular Verbs
This site offers links to six interactive exercises on irregular verbs each with an accompanying printable handout.