Explanation
Express a change happening or making something change.
Formation
い-Adjective (remove い) + く + する/なる
Detailed explanation
The い-Adjective く する/なる grammar point is used to indicate a change happening (naru) or intentionally making something change (suru). When using this grammatical structure, the い-adjective is changed to its く form, and then is followed by either する (to make the change) or なる (the change happens).
Examples
部屋を明るくします。
Heya o akaruku shimasu.
I will make the room brighter.
彼の顔は赤くなりました。
Kare no kao wa akaku narimashita.
His face turned red.
この料理を辛くしてください。
Kono ryouri o karaku shite kudasai.
Please make this dish spicy.
雨が降ると、道が滑りやすくなります。
Ame ga furu to, michi ga suberiyasuku narimasu.
When it rains, the road becomes slippery.
Practice
Grammar content sourced from hanabira.org.