Ｔiｅｒ’ｓ　Ｂｅｎｃｈ

実践！スラッシュ・リーディング　I-29

　One night the jailer played a joke on him to find out if his fellow actor had 
managed to learn the contents of the letter by heart yet.

　スラッシュは、不定詞、前置詞、接続詞の前に入れます。

　One night the jailer played a joke on him/ to find out/ if his fellow actor had
managed to learn the contents of the letter by heart yet.

　「ある日、その看守は彼をからかった、明らかにするために、その同僚の役者がもう何とか

   その手紙の内容を暗記できているかどうかを」