Godan verbs ending in ぐ
The 26 godan verbs that end in ぐ. A godan verb moves its final kana along that kana's vowel row: が before ない (泳がない), ぎ before ます (泳ぎます), げ for the potential and ば forms (泳げる, 泳げば), ご for the volitional (泳ごう). Its て and た forms are 泳いで and 泳いだ. In the て and た forms it takes いて/いで, which it shares with く.