Godan verb (む)
思い込むおもいこむ
omoikomu思い込む (おもいこむ, omoikomu) — to be convinced — is a godan verb ending in む: 思い込んで (te-form), 思い込んだ (past), 思い込まない (negative), 思い込みます (polite).
It also means to be under the impression; to feel sure.
How 思い込む conjugates · godan む-verb
Only the last kana changes: む becomes ま, み, め or も.
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.
ま思い込まないnegative
み思い込みますpolite present
む思い込むdictionary form
め思い込めるpotential思い込めばif
も思い込もうvolitional
The て and た forms · む → んで, んだ
ん思い込んでte-form思い込んだpast
The て and た forms are the only two that don't follow this pattern. Every む-, ぶ- and ぬ-verb has the same んで there.
N5 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 N5 | 思い込む おもいこむ omoikomu | |
| past N5 I became convinced of it. | 思い込んだ おもいこんだ omoikonda | |
| negative N5 I don't just assume it. | 思い込まない おもいこまない omoikomanai | |
| te-form N5 I become convinced of it and … | 思い込んで おもいこんで omoikonde | |
| past negative N4 | 思い込まなかった おもいこまなかった omoikomanakatta | |
| volitional N4 | 思い込もう おもいこもう omoikomou | |
| potential N3 I can convince myself of it. | 思い込める おもいこめる omoikomeru | |
| cond. ば N3 If I assume it, ... | 思い込めば おもいこめば omoikomeba | |
| cond. たら N3 When I assume it, ... | 思い込んだら おもいこんだら omoikondara | |
| passive N2 It gets assumed. | 思い込まれる おもいこまれる omoikomareru | |
| causative N2 I make someone believe it. | 思い込ませる おもいこませる omoikomaseru | |
| imperative N1 | 思い込め おもいこめ omoikome |
POLITE
| Form | Conjugation | Audio |
|---|---|---|
| present N5 | 思い込みます おもいこみます omoikomimasu | |
| past N5 I became convinced of it. | 思い込みました おもいこみました omoikomimashita | |
| negative N5 I don't just assume it. | 思い込みません おもいこみません omoikomimasen | |
| past negative N4 | 思い込みませんでした おもいこみませんでした omoikomimasendeshita | |
| volitional N4 | 思い込みましょう おもいこみましょう omoikomimashou |
ASPECT
| Form | Conjugation | Audio |
|---|---|---|
| ている N4 I'm convinced of it. | 思い込んでいる おもいこんでいる omoikondeiru | |
| ていた N4 I was convinced of it. | 思い込んでいた おもいこんでいた omoikondeita | |
| ています N4 I'm convinced of it. | 思い込んでいます おもいこんでいます omoikondeimasu | |
| ていました N4 I was convinced of it. | 思い込んでいました おもいこんでいました omoikondeimashita |