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.
大切にする
taisetsunisuruto take good care ofN4expression
Example sentences2
物を大切にする心が大事です。
mono o taisetsu ni suru kokoro ga daiji desu.
Having a spirit of taking good care of things is important. neutral
これ、おばあちゃんの形見だから大切にするね。
kore, obaachan no katami dakara taisetsu ni suru ne.
This is a keepsake from my grandma, so I'll take good care of it. casual