Compound Particle/Conjunction (Intermediate ㊥ 471)
A phrase which is used to express the idea that someone does something or something takes place at the same time as another action or event, or that someone or something is in two states simultaneously.
Equivalent: At the same time (as); at the time; when; as; while; as well as ~
| (i) Noun | と同時に | |
| 到着と同時に | At the same time as someone’s arrival | |
| (ii) Vinformal nonpast | と同時に | |
| 着くと同時に | At the same time as someone arrives | |
| (iii) {Adjective な stem/Noun}である | と同時に{Adjective な stem/Noun}である | |
| 便利であると同時に経済的である | Something is economical as well as convenient | |
| フットボールの選手であると同時に野球の選手である | Someone is a baseball player as well as a football player |
