主格補語

しゅかくほご

noun

•

subject complement(linguistics)

主	lord, chief, master, main thing, principal
格	status, rank, capacity, character, case (law, grammar)
補	supplement, supply, make good, offset, compensate, assistant, learner
語	word, speech, language

ふていし

けいようし

てき

ようほう

２

しゅるい

、（１）

げんていようほう

、（２）

じょじゅつようほう

。（２）

しゅかくほご

There are two ways of using the infinitive as an adjective, 1. attributive, 2. predicative. Naturally 2. is a subject complement