N3 — outside your level filter
Modifies the end of the sentence directly and takes no だ／です, so there are no forms to conjugate.
いっぺんに
ippenniall at once; in one goN3adverb
Example sentences2
そんなにいっぺんに食べたら太るよ。
sonna ni ippen ni tabetara futoru yo.
If you eat that much all at once you'll get fat. casual
用事をいっぺんに済ませました。
youji o ippen ni sumasemashita.
I got all my errands done at once. neutral