だれか〜 (dareka〜)
JLPT N5
Explanation
Indicates 'someone' or something done or possessed by 'someone'.
Formation
だれか + Verb, だれか + Adjective, だれか + Noun
Detailed Explanation
The grammar point だれか〜 is used to suggest that something is done by, possessed by, or related to 'someone', usually when the actual person is unidentified or not important. It can be used with verbs, adjectives, or nouns.
Examples
だれかがドアをノックしました。
Dareka ga doa wo nokku shimashita.
Someone knocked on the door.
だれかが私の傘を盗みました。
Dareka ga watashi no kasa wo nusumimashita.
Someone stole my umbrella.
だれか助けてください。
Dareka tasukete kudasai.
Someone, please help.
だれかのせいで、電気がきれました。
Dareka no sei de, denki ga kiremashita.
Because of someone, the electricity went out.
Grammar content sourced from hanabira.org.