Part-of-speech tags: French

1ABRabreviation
2ADJadjective
3ADVadverb
4DET:ARTarticle
5DET:POSpossessive pronoun (ma, ta, ...)
6INTinterjection
7KONconjunction
8NAMproper name
9NOMnoun
10NUMnumeral
11PROpronoun
12PRO:DEMdemonstrative pronoun
13PRO:INDindefinite pronoun
14PRO:PERpersonal pronoun
15PRO:POSpossessive pronoun (mien, tien, ...)
16PRO:RELrelative pronoun
17PRPpreposition
18PRP:detpreposition plus article (au,du,aux,des)
19PUNpunctuation
20PUN:citpunctuation citation
21SENTsentence tag
22SYMsymbol
23VER:condverb conditional
24VER:futuverb futur
25VER:impeverb imperative
26VER:impfverb imperfect
27VER:infiverb infinitive
28VER:pperverb past participle
29VER:ppreverb present participle
30VER:presverb present
31VER:simpverb simple past
32VER:subiverb subjunctive imperfect
33VER:subpverb subjunctive present

More info: http://www.cis.uni-muenchen.de/~schmid/tools/TreeTagger/data/french-tagset.html