一般過去時被動句的句式變化：
1. 肯定句：主語+was/were+及物動詞的過去分詞+其他成分。
例如：This desk was made by my father.這張桌子出自我爸爸之手。
2. 否定句：主語+wasn't/weren't+及物動詞的過去分詞+其他成分。
例如：This desk wasn't made by my father.這張桌子不是我爸爸做的。
�。ㄈ嚼蠋熡性捳f：wasn't=was not. Weren't=were not.）
3. 一般疑問句:Was/Were+主語+及物動詞的過去分詞+其他成分？
例如：Was this desk made by your father?這張桌子是你的爸爸做的嗎？
4. 一般疑問句的回答：
①肯定回答:Yes,主語+was/were.
�、诜穸ɑ卮�:No,主語+wasn't./weren't.