aux: auxiliary
An aux (auxiliary) of a clause is a function word associated with a verbal predicate that expresses categories such as tense, mood, aspect, voice or evidentiality.
# visual-style 4 3 aux color:blue
# visual-style 3 bgColor:blue
# visual-style 3 fgColor:white
# visual-style 4 bgColor:blue
# visual-style 4 fgColor:white
1 Il _ PRON PROper _ 4 nsubj _ _
2 les _ PRON PROper _ 4 obj _ _
3 ad _ VERB VERcjg _ 4 aux _ _
4 prises _ VERB VERppe _ 0 root _ _
Auxiliares used to construct the passive voice are also labeled aux:pass.
# visual-style 11 4 aux:pass color:blue
# visual-style 9 bgColor:blue
# visual-style 9 fgColor:white
# visual-style 11 bgColor:blue
# visual-style 11 fgColor:white
1 car _ CCONJ CONcoo _ 4 cc:nc _ _
2 il _ PRON PROimp _ 4 expl _ _
3 n' _ ADV ADVneg _ 4 advmod _ _
4 a _ VERB VERcjg _ 0 root _ _
5 çaienz _ ADV ADVgen _ 4 advmod _ _
6 home _ NOUN NOMcom _ 4 obj _ _
7 qui _ PRON PROrel _ 11 nsubj _ _
8 n' _ ADV ADVneg _ 11 advmod _ _
9 ait _ AUX VERcjg _ 11 aux:pass _ _
10 esté _ VERB VERppe _ 11 cop _ _
11 serviz _ VERB VERppe _ 6 acl:relcl _ _
In Old French, modal verbs are considered as semi-auxiliaries. These semi-auxiliaries include voloir, devoir, povoir, savoir, soloir.
# visual-style 4 3 aux color:blue
# visual-style 3 bgColor:blue
# visual-style 3 fgColor:white
# visual-style 4 bgColor:blue
# visual-style 4 fgColor:white
1 Mais _ CCONJ CONcoo _ 4 cc:nc _ _
2 je _ PRON PROper _ 4 nsubj _ _
3 doi _ VERB VERcjg _ 4 aux _ _
4 plorer _ VERB VERinf _ 0 root _ _
aux in other languages: [bej] [bg] [bm] [cop] [cs] [de] [el] [en] [es] [et] [eu] [fi] [fr] [fro] [gsw] [gub] [hy] [id] [it] [ja] [ka] [kk] [ky] [myv] [no] [pcm] [pt] [qpm] [ro] [ru] [sl] [sv] [swl] [tr] [u] [urj] [vi] [yue] [zh]