3級確かに / きっと
確信度を示す副詞のスケール (3級頻出)
definitely
certainly (90-100% 確実)
probably (70-80% たぶん)
possibly
perhaps
maybe (40-60% かもしれない)
probably not (低い)
definitely not
certainly not (0% 絶対違う) — 確信度で使い分け。
"Certainly!" の口語的返答
"Could you help me?" → "Certainly!" (= もちろん!)
より口語的: "Sure!"
"Of course!"
"No problem!" — Certainly はやや丁寧。
certainly not の強さ
"Will you steal?" "Certainly not!" 絶対しない! (no より強い拒否)。certainly vs surely の微差
certainly (確信)、surely (確認・疑問のニュアンス、"Surely you don't mean it?" まさか本気じゃないよね?)。