Using NLTK and WordNet; how do I convert simple tense verb into its present, past or past participle form?

Question

Using NLTK and WordNet, how do I convert simple tense verb into its present, past or past participle form?

For example:

I want to write a fu

Answer 1

I think what you're looking for is the NodeBox::Linguistics library. It does exactly that:

print en.verb.present("gave")
>>> give