［場所：where］
- I know the town where you live.
- Is that the shop where you bought your dress?
- Paris, where we met, is a beautiful city.
［時：when］
- Tomorrow is the day when I get my first pay check.
- I remember the era when teachers could give students the cane.
- The most stressful day of the week is Monday, when people go back to work.
［原因・理由：why］
- The reason why I didn't call you is that I've lost your phone number.
- We do not know why he left.
- Do you know the reason why the sky is blue?
［方法：how］
※先行詞 "the way" または関係副詞 "how" のどちらかは必ず省略される。
- I cannot teach you how this game was solved.
- I like how the singer sings.
- This is the way it happened.
→ 課題 #09
→ 文法 #87 副詞の一覧
→ 文法 #23 関係代名詞
→ 文法 #73 関係形容詞
→ 文法 #78 名詞と間違えやすい副詞（there / here / 時 / 場所 など）
→ 文法 #79 程度を表す副詞
→ 文法 #80 頻度を表す副詞
→ 文法 #82 肯定を表す副詞
→ 文法 #81 否定を表す副詞
→ 文法 #83 原因・結果を表す副詞
→ 文法 #84 様態を表す副詞
→ 文法 #85 文修飾の副詞
→ 文法 #86 疑問副詞
→ 文法 #22 関係副詞
