Meaning of 疑問文 in Japanese

It seems that your search contains the following:

Definition of 疑問文

ぎもんぶん(gimonbun) 【疑問文】

ふかぎもんぶん(fukagimonbun) 【付加疑問文】

ひていぎもんぶん(hiteigimonbun) 【否定疑問文】

(n) (ling) negative question; question asked in the negative (e.g. "Can't you read Japanese?")

canは助動詞じょどうしですので、疑問文ぎもんぶんでは文頭ぶんとうに持ってきます。

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