They must complete the project. (make it passice)
সঠিক উত্তর
The project must be completed by them.
The phrase ‘sine die means
• 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।
- be বসে।
- প্রদত্ত মুল verb এর past participle বসে।
- by বসে।
- Active voice এর subject টি Passive voice এ object হিসেবে বসে।
• Active Voice: They must complete the project.
• Passive Voice: The project must be completed by them.
Source: Advanced Learner's Communicative English Grammar & Composition By Chowdhury & Hossain.