Language Guide
Participles
Site discusses formation of present participle and past participle (regular and irregular). Provides Sample phrases in both English and French to illustrate usage. Has a link at the end for interactive practice. Tons of other languages...
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Orthonet Online Grammar Questions
Submit questions relative to grammar, usage/orthography, and receive reply by e-mail.
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Le Conjugueur: The Conjugator
Great resource that provides full French conjugations of verbs as well as a feature that allows input of an already conjugated verb form and returns the infinitive.
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Orthonet Quick Look Up to Check Orthography
Type in a noun or verb (infinitive only), and site quickly returns info and usage examples. Not a dictionary - provides sample phrases, notes on past participle agreement etc.