第4文型（SVOO）の受動態
着眼点2つの O のどちらも主語にできる。物を主語にすると前置詞が残る場合がある。
| 主語 | 形 |
|---|---|
| 人（O1）を主語 | I was given a book by him. |
| 物（O2）を主語 | A book was given to me by him. |
例文
1
She was told the news by her teacher.
彼女は先生からその知らせを聞かされた。
2
A new bike was bought for him by his parents.
新しい自転車が両親によって彼に買い与えられた。
注意buy / make / cook 型（for）は、人を主語にする受動態が不自然。×He was bought a bike. → A bike was bought for him.
確認問題
1
受動態に（人を主語に）：My uncle sent me a letter.
答え
I was sent a letter by my uncle.