Robert left whilst the show was still ongoing.

・whilstは接続詞として使われない。

[正]Robert left while the show was still ongoing.
[誤]Robert left whilst the show was still ongoing.

・イギリス英語においては、"whilst"が接続詞として使われる。

[英]Robert left while the show was still ongoing.
[英]Robert left whilst the show was still ongoing.

Robert left whilst the show was still ongoing.の関連項目