The board agreed to approve the proposal. (Passive)

• Agree/ be anxious/ arrange/ determine/ be determined/ decide/ demand + infinitive + object যুক্ত Active voice কে passive করার নিয়ম:

- প্রদত্ত Active voice এর subject ও verb বসবে।
- that বসবে।
- infinitive এর পরের Object (direct object) বসবে।
- should be বসবে।
- infinitive এর পরের verb এর past participle বসবে।

Active: Proma decided to sell the house.
Passive: Proma decided that the house should be sold.

Active: The board agreed to approve the proposal.
Passive: The board agreed that the proposal should be approved.

Source: Advanced Learner's by Chowdhury & Hossain.