N2 — outside your level filter
Modifies the end of the sentence directly and takes no だ／です, so there are no forms to conjugate.
事前に
jizennibeforehandN2adverb
Example sentences2
このイベントは事前に予約する必要があります。
kono ibento wa jizen ni yoyaku suru hitsuyou ga arimasu.
You need to book in advance for this event. neutral
事前にちゃんと調べとけばよかった。
jizen ni chanto shirabetokeba yokatta.
I should have properly looked into it beforehand. casual