every (...) or each
| | (の)たびに | 毎 | おきに | 毎 |
| ------------------ | ---------- | ------------------------------------- | -------------------------------- | --------------------------------------- |
| ex. | | 朝毎に | | 毎朝 |
| common? | | declining | | very |
| register | 話し言葉 | 文語 | | 話し言葉 |
| days, months, etc. | | ○ | | ○ |
| objects | | ○ 歌手毎に | | |
| with counters | ✕ | ○ 一杯ごとに | | ✕ |
| Frequency: 2日(…) | | at intervals of (...)
●○●○●○● | every other (...)
●○○●○○●○○● | |
| | | | | |
| | | | | |
Counters
たびに cannot be used in front of counter words, while With (...) attached to (ごと) can
一回~~たび~~に 一回ごとに Every (one) time
Youtube: 日本語の森 - ごとに vs たびに vs おきに
Nouns
たびに requires to be lead with a の for nouns.
授業==のたびに==宿題 dito
With (...) attached to (ごと)に can be inserted directly
授業ごとに宿題が出る (For) every lesson, homework is given.