Explanation
People believe that donkeys are the stupid creatures means لوگوں کا ماننا ہیکہ گدھے احمق مخلوق ہیں
It is believed that donkeys are the stupid creatures مانا جاتا ہیکہ گدھے احمق مخلوق ہیں
Sometimes we have to skip "People" while converting the sentence into passive.
Present Indefinite Tense
Active Voice: Subject + Verb + Object
Passive Voice: Object + is/am/are+ third form of a verb + by + subject.
