jlpt-boi / JLPT N2 / Grammar / 〜以上
〜以上
After 「以上」, the extent adverbial 「最後まで」 ("to the very end") must come before 「やり通すに違いない」, giving "now that he has promised once, he is certain to see it through to the end."
Tested at JLPT N2 — 1 practice question below.
Practice 〜以上 →一度約束した + 以上 is the fixed "now that / since" link and must come first. The main clause is やり通す + に違いない ("he will surely carry it through"), and 最後まで sits between them as the extent adverb modifying やり通す.
彼は一度約束した ___ 。
Answer: 最後まで · Try this question →