IrrTrainer - Offers an unsupported freeware program for learning irregular verbs. Includes history, download, and help sections. [Requires Microsoft .NET framework] - http://www.jeeling.com/irrtrainer/
2-Bee or Not-too-bee - 2Bee and Queen Nottoobee need flowers to make honey. Help them find flowers by choosing the correct verb to complete the sentences. Two levels available. - http://www.funbrain.com/verb/
The Wide World of Verbs - Find out about the difference between action, state of being, and helping verbs. Test included. - http://www.kyrene.k12.az.us/schools/brisas/sunda/verb/enter.htm
What Is A Verb? - Find out the importance of a verb in a sentence. - http://www.uottawa.ca/academic/arts/writcent/hypergrammar/verbs.html
Grammar Bytes: The Verb - How to recognize a verb and its function within a sentence. - http://www.chompchomp.com/terms/verb.htm