whenとwhile

・A when B: BのときA

【例】
He was crying when I saw him.
彼を見かけたとき､彼は泣いていた｡

・while: ～する間に

【例】
I had lunch while you were out.
君の外出中に昼食をとりました｡

whenとwhileの関連項目

• ⇒ and, but, or, so
• ⇒ that - 接続詞
• ⇒ because
• ⇒ as～as…
• ⇒ if
• ⇒ "if"と"whether"の使い分け
• ⇒ after／before
• ⇒ since／until
• ⇒ than
• ⇒ Immediately you begin to speak, he gives you his full attention.
• ⇒ Robert left whilst the show was still ongoing.