They can complete the project next week. (Make it passive)

Correct Answer: গ) The project can be completed next week by them.

• Active voice এ Modal Auxiliary Verb থাকলে তা Passive voice করার নিয়ম:
- Modal Auxiliary verb গুলো হলো: Can, Could, May, Might, Will, Would, Shall, Should, Ought to, Used to, Must ইত্যাদি।
- Active voice এর object টি passive voice এর subject হিসেবে বসে।
- Active voice এর Modal verb টি বসে, সাথে be বসে।
- প্রদত্ত মুল verb এর past participle বসে এবং by বসে।
- Active voice এর subject টি Passive voice এ object হিসেবে বসে।

• Active Voice: They can complete the project next week.
• Passive voice: The project can be completed next week by them.

Source: Advanced Learner's Communicative English Grammar & Composition By Chowdhury & Hossain.