英訳に間違いが有れば正してください。
彼が刺されるのではと怖かった。
I was frightening that my brother was going to get stabbed.
ヒント
形容詞
答え
frighteningをfrightenedにする
もしくはIをItにする
I was frightened that my brother was going to get stabbed.
It was frightening that my brother was going to get stabbed.
frighteningは人が主語にはならない。
人+be+frightened+that~
人が~を恐れる
It was frightening to hear that a neighbor was a murderer.
隣人が殺人者だと聞いてそれは恐ろしいことだった。