N4 — 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.
膨らんでいる
fukurandeirube bulgingN4expression
Example sentences2
風船、もうこんなに膨らんでいるよ！
fuusen, mou konna ni fukurandeiru yo!
This balloon's already blown up this much! casual
かばんが本でいっぱいで膨らんでいるんです。
kaban ga hon de ippai de fukurandeiru n desu.
My bag is bulging because it's full of books. neutral