N3 — outside your level filter
Is said whole, with nothing composed onto it and takes no だ／です, so there are no forms to conjugate.
日記をつける
nikkiwotsukerukeep a diaryN3expression
Example sentences1
日記をつける習慣は、なかなか続かない。
nikki o tsukeru shuukan wa, nakanaka tsuzukanai.
The habit of keeping a diary is hard to keep up. neutral