The passive form of:
Were the boys flying kites?

- Active: Were the boys flying kites?
- Passive: Were kites being flown by the boys?

• Am/is/are/was/were +(verb+ing) যুক্ত Interrogative sentence কে passive করার নিয়ম:
- প্রথমে Am/is/are/was/were বসে।
- Active voice এর object টি passive voice এর subject হয়।
- Auxiliary verb হিসেবে being বসে।
- তারপর মূল verb এর past participle হয়।
- তারপর by + Active voice এর subject টি passive voice এর object হয়।
- শেষে প্রশ্নবোধক চিহ্ন বসে।

• Structure:
- Active: Am/Is/Are + Subject + (verb+ing) + object?
- Passive: Am/Is/Are + Subject + being + past participle of verb +by+object?

• More examples:
Active: Is she cooking dinner?
Passive: Is dinner being cooked by her?