English Verb Conjugation
http://conjugation.com/

Just type the verb that you want to conjugate in any form. Any verb, regular or irregular. Click on “Conjugate.” A new page is instantaneously displayed, with the verb shown in all of its forms, voices and tenses. As of now, our conjugation engine works only for English verbs. Soon you will be able to conjugate verbs in other languages as well. This has been added to the tools section of Research Resources Subject Tracer™ Information Blog.