Semantic alignment refers to a type of language that has two means of morphosyntactically encoding the arguments of intransitive predicates, typically treating these as an agent or as a patient of a transitive predicate, or else by a means of a treatment that varies according to lexical aspect. This collection of new typological and case studies is the first book-length investigation of semantically aligned languages for three decades. Leading international typologists explore the differences and commonalities of languages with semantic alignment systems and compare the structure of these...