付く · godan verb (-ku)
| Form | Positive | Negative |
|---|---|---|
| Dictionary | 付く | 付かない |
| Polite | 付きます | 付きません |
| Past polite | 付きました | 付きませんでした |
| Past | 付いた | 付かなかった |
| Te-form | 付いて | 付かないで |
| Desire | 付きたい | 付きたくない |
| Potential | 付ける | 付けない |
| Passive | 付かれる | 付かれない |
| Causative | 付かせる | 付かせない |
| Causative passive | 付かせられるalso 付かされる | 付かせられないalso 付かされない |
| Volitional | 付こう | |
| Polite volitional | 付きましょう | |
| Imperative | 付け | 付くな |
| Conditional | 付けば | 付かなければ |
| Tara conditional | 付いたら | 付かなかったら |
He has become calmer lately. Maybe he's grown up a bit.
This area has become quite urbanized.
take root; become established
notice; realize; become aware of · regain consciousness; come to
get married; marry
put on flesh; get fat; gain weight
Derived from the verb 付く (つく) through rendaku (voicing). The suffix use likely developed from the sense of 'attaching' a quality or state to something.