D 関係代名詞whatを使って名詞節をつくる
what節が目的語
6 We couldn't believe what we saw.
what節が補語
の This article isn't what I was looking for.
関係代名詞what : 先行詞なしで使う。(what= the thing(s) which)
whatで始まる節は名詞のはたらきをする → 主語, 目的語,補語になる。
What she said to me was shocking. [what節が主語)
関係代名詞 whatを使う慣用表現: what it was (過去のそれ), what I am today (今日の私),
what is called~(いわゆる~), what is more (そのうえ)など
Japanese society is not what it used to be. [what it used to be: 「以前のそれ」]