[NLP] Detecting verbs

What's a simple algorithm (simple == no academia robodick sucking neural network bullshit) to pretty consistently find a verb in a given sentence? I wish to create a bot. I'm thinking of using a dictionary, I just don't know how to work out the details.

http://ai.neocities.org/EnParser.html

http://ai.neocities.org/EnVerbPhrase.html

http://ai.neocities.org/RuParser.html

http://ai.neocities.org/RuVerbPhrase.html