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• Active: Who is looking for me?
• Passive: By whom am I being looked for?

• Who যুক্ত Interrogative Sentence এর Active Voice কে Passive Voice এ পরিণত করার নিয়ম:

- Who এর পরিবর্তে প্রথমে By whom বসে।
- এরপর Tense ও Person অনুযায়ী modal auxiliary Verb বসাতে হয়।
- Object টি Subject হয়
- Tense অনুযায়ী কর্তার পরে be/being/been বসাতে হয়।
- মূল Verb এর Past Participle বসে।
- সবার শেষে প্রশ্নবোধক চিহ্ন বসে।

• Active: Who is looking for me?
- Present Continuous Tense passive voice করার structure নিম্ন রূপ:
- Active form এর object + am/is/are + being + verb এর past participle + Active form এর
Subject এর Objective form + extension.
• Passive: By whom am I being looked for?

Other options:
ক) By whom am I looked?
→ Incorrect tense, and missing "for".

খ) By whom I am looked for?
→ Wrong word order for a question.

গ) By whom am I being looked at?
→ "look at" হবে না "look for"; meaning is different.

Source: A Passage to the English Language by S.M. Zakir Hussain.