い-Adjective く する/なる JLPT N4
i-Adjective kusuru/naru
Express a change happening or making something change.
Formation
い-Adjective (remove い) + く + する/なる
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).
Example sentences
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I will make the room brighter.
Heya o akaruku shimasu.
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His face turned red.
Kare no kao wa akaku narimashita.
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Please make this dish spicy.
Kono ryouri o karaku shite kudasai.
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When it rains, the road becomes slippery.
Ame ga furu to, michi ga suberiyasuku narimasu.