I need to know what the abbreviations mean, e.g 'VBD', 'NN', etc. I am learning text processing and now I want to get verbs in the sentences, so that I need to know which abbreviations represent any form of verbs.
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1$\begingroup$ See stackoverflow.com/questions/15388831/… $\endgroup$ – user12075 Sep 7 '18 at 1:02
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$\begingroup$ A simple google search can give you the list. $\endgroup$ – Ankit Seth Sep 7 '18 at 4:21
No one answered the question, then I will answer it myself. Thanks to @user12075 for the link. I didn't find it when I was googling it.
https://stackoverflow.com/questions/15388831/what-are-all-possible-pos-tags-of-nltk
From the above link, I know that nltk uses The Penn Treebank's POS tags.
nltk.help.upenn_tagset()
will give you the list.