Jamais is this adverb
[DOC] [TLE] French language: Adverb - Orbis Latinus [PAR] hier yesterday jadis formerly jamais ever lendemain the day after maintenant in 
this moment, now, nagure recently parfois sometimes puis after quand when [DOC] [TLE] Minimally Raising the Verb Issue - Department of Second Language ... [PAR] Using grammaticality judgments of negation and adverb placement, several 
recent .... the following: 1) inflection of the 30 verbs;[6] 2) negation (jamais, pas-
verb,... [DOC] [TLE] French Grammar  How to Be Negative | French Language Blog [PAR] Nov 6, 2009 ... Ma maman ne me laisse jamais faire ce que je veux.