異常な現象が報告されたら、すぐ調査する必要がある

N3 異常 ijou abnormality, disorder, something unusual N3 現象 genshou phenomenon, observable event N3 報告 houkoku report, information N3 調査 chousa survey, investigation, research N5 する suru do, perform, try N4 必要 hitsuyou necessary, need

N1 異 i / koto, koto.naru, ke uncommon, different, queerness N3 常 jou / tsune, toko- usual, ordinary, normal N3 現 gen / arawa.reru, arawa.su, utsutsu, utsu.tsu present, existing, actual N2 象 shou, zou / katado.ru elephant, pattern after, imitate N3 報 hou / muku.iru report, news, reward N3 告 koku / tsu.geru revelation, tell, inform N3 調 chou / shira.beru, shira.be, totono.u, totono.eru tune, tone, meter N2 査 sa investigate, investigation, investigar N3 必 hitsu / kanara.zu invariably, certain, inevitable

N5 〜が ga Marks the grammatical subject, highlights new information, can also show slight contrast in some sentences