jlptpass.com/n4/grammar/te-aru/
Explains the JLPT N4 grammar point 〜てある (te aru), which describes a deliberate action with a lasting result. Provides formation rules, example sentences, common mistakes, and related grammar patterns.
GrammarJLPT and other testsJLPT N4JLPTSentence patternsTransitive and intransitiveKana