A2

了 for Change of State

语气助词「了」

languages.seo.contextNote

languages.concept.prerequisite

了 for Completed ActionA2

languages.concept.related

了 for Completed Action动态助词「了」过 for Experience动态助词「过」着 for Continuous State动态助词「着」在 for Progressive正在进行 Comparison with 比比较句

languages.cta.conceptText

languages.cta.practiceConceptButton