Godan verb (ぐ)
防ぐふせぐ
fusegu防ぐ (ふせぐ, fusegu) — to defend against — is a godan verb ending in ぐ: 防いで (te-form), 防いだ (past), 防がない (negative), 防ぎます (polite).
It is transitive: it takes a direct object. It also means to protect against.
How 防ぐ conjugates · godan ぐ-verb
Only the last kana changes: ぐ becomes が, ぎ, げ or ご.
Which one depends on the ending. The five are one line of the hiragana chart — same consonant, vowels あ・い・う・え・お — and everything before that kana never changes.
が防がないnegative
ぎ防ぎますpolite present
ぐ防ぐdictionary form
げ防げるpotential防げばif
ご防ごうvolitional
The て and た forms · ぐ → いで, いだ
い防いでte-form防いだpast
The て and た forms are the only two that don't follow this pattern. Every く- and ぐ-verb changes the same way there; only 行く is different.
N2 N tags give the JLPT level at which the game starts quizzing a form.
Aa Dimmed forms are too rare in everyday Japanese for the game to quiz.
PLAIN
| Form | Conjugation | Audio |
|---|---|---|
| present | 防ぐ ふせぐ fusegu | |
| past I prevented it. | 防いだ ふせいだ fuseida | |
| negative I don't prevent it. | 防がない ふせがない fuseganai | |
| te-form I prevent it and … | 防いで ふせいで fuseide | |
| past negative | 防がなかった ふせがなかった fuseganakatta | |
| volitional Let's prevent it. | 防ごう ふせごう fusegou | |
| potential I can prevent it. | 防げる ふせげる fusegeru | |
| cond. ば If I prevent it, ... | 防げば ふせげば fusegeba | |
| cond. たら | 防いだら ふせいだら fuseidara | |
| passive N2 It gets prevented. | 防がれる ふせがれる fusegareru | |
| causative N2 | 防がせる ふせがせる fusegaseru | |
| imperative N1 Prevent it! | 防げ ふせげ fusege |
POLITE
| Form | Conjugation | Audio |
|---|---|---|
| present | 防ぎます ふせぎます fusegimasu | |
| past I prevented it. | 防ぎました ふせぎました fusegimashita | |
| negative I don't prevent it. | 防ぎません ふせぎません fusegimasen | |
| past negative | 防ぎませんでした ふせぎませんでした fusegimasendeshita | |
| volitional Let's prevent it. | 防ぎましょう ふせぎましょう fusegimashou |
ASPECT
| Form | Conjugation | Audio |
|---|---|---|
| ている I'm preventing it. | 防いでいる ふせいでいる fuseideiru | |
| ていた I was preventing it. | 防いでいた ふせいでいた fuseideita | |
| ています I'm preventing it. | 防いでいます ふせいでいます fuseideimasu | |
| ていました I was preventing it. | 防いでいました ふせいでいました fuseideimashita |