Sentence Structure of Wh-Questions in Passive

1. Who → By whom

• Active structure: Who + V + object?
• Passive structure: By whom + be + past participle + subject?

 Example:

• Active: Who opened the door?
• Passive: By whom was the door opened?

2. What

• Active structure: What + did/does/will + subject + V?
• Passive structure: What + be + past participle + by + subject?

 Example:

• Active: What did she eat?
• Passive: What was eaten by her?

3. When

• Active structure: When + did/does/will + subject + V + object?
• Passive structure: When + was/will + object + be + past participle?

 Example:

• Active: When did they build the house?
• Passive: When was the house built?

4. Where

• Active structure: Where + did/does/will + subject + V + object?
• Passive structure: Where + was/will + object + be + past participle?

 Example:

• Active: Where did he find the wallet?
• Passive: Where was the wallet found?

5. Why

• Active structure: Why + did/does/will + subject + V + object?
• Passive structure: Why + was/will + object + be + past participle + by + subject?

 Example:

• Active: Why did the teacher punish the boy?
• Passive: Why was the boy punished by the teacher?

6. Which

• Active structure: Which + noun + did/does/will + subject + V?
• Passive structure: Which + noun + was/will + be + past participle + by + subject?

 Example:

• Active: Which company will launch the product?
• Passive: Which company will the product be launched by?

7. Whose

• Active structure: Whose + noun + did/does/will + subject + V?
• Passive structure: Whose + noun + was/will + be + past participle + by + subject?

 Example:

• Active: Whose pen did you borrow?
• Passive: Whose pen was borrowed by you?

8. Whom

• Active structure: Whom + did/does/will + subject + V?
• Passive structure: Who/Whom + was/will + be + past participle + by + subject?

 Example:

• Active: Whom did she invite?
• Passive: Who was invited by her?