助動詞

じょどうし

noun

inflecting dependent word (in Japanese), bound auxiliary(linguistics)

auxiliary verb (in languages other than Japanese)(linguistics)

助	help, rescue, assist
動	move, motion, change, confusion, shift, shake
詞	part of speech, words, poetry

ぶん

げんざいかんりょうけい

。have

どうし

、

じょどうし

This sentence is in the present perfect. 'have' is not a verb, but an auxiliary verb

can

じょどうし

、

ぎもんぶん

ぶんとう

も

'can' is an auxiliary verb, so in question sentences it is brought to the start of the phrase