does がつくと　動詞にsがつかないの？ を英語に訳すと？

the word 'does' is an auxiliary verb, 'does' is a form of third person singular of 'do'.
as Auxiliary Verbs ' (be), have, do, get' are ,also, the same.

He learns Japanese.
He doesn't learn Japanese. (negative sentence).
Does he learn Japanese? (interrogative sentence).

:GT.
https://translate.google.co.jp/?hl=ja&sl=en&tl=ja&op=translate