同室する · noun or participle which takes 'suru'
| Form | Positive | Negative |
|---|---|---|
| Dictionary | 同室する | 同室しない |
| Polite | 同室します | 同室しません |
| Past polite | 同室しました | 同室しませんでした |
| Past | 同室した | 同室しなかった |
| Te-form | 同室して | 同室しないで |
| Desire | 同室したい | 同室したくない |
| Potential | 同室できる | 同室できない |
| Passive | 同室される | 同室されない |
| Causative | 同室させる | 同室させない |
| Causative passive | 同室させられる | 同室させられない |
| Volitional | 同室しよう | |
| Polite volitional | 同室しましょう | |
| Imperative | 同室しろ | 同室するな |
| Conditional | 同室すれば | 同室しなければ |
| Tara conditional | 同室したら | 同室しなかったら |
Refers to the room itself, often used with の to modify a noun or in statements about being in the same room.
I work in the same room as him.
noun, noun or participle which takes 'suru', noun which may take the genitive case particle 'no', intransitive verb
sharing a room; occupying the same room
Focuses on the act or state of sharing a room, often used as a suru-verb or with する to mean 'to share a room'.
We are scheduled to share a room during the training.
I quickly became friends with the person I share a room with.
I ended up sharing a room with a friend on the school trip.
While hospitalized, I ended up sharing a room with a stranger.
I quickly became friends with my roommate.