3 次の各文を, [ ]内の指示に従って書きかえなさい。
(4x4
(1) Sam began studying Japanese a year ago. 〔不定詞を使って,ほぼ同じ意味の文に]
(2) The girl is my niece. 〔下線部を 「あそこで走っている少女」という内容に]
(3) Because I felt tired, I decided to stay home at night. 〔分詞構文に〕
(4) When he entered the room, he found a cat sleeping on the sofa. 〔分詞構文に]