Change the voice: His behavior pleased us all.
ক
We all were pleased with his behavior.
খ
We all were pleased at his behavior.
গ
We all were pleased by his behavior.
ঘ
We all were pleased to his behavior.
সঠিক উত্তর: We all were pleased at his behavior.
কিছু কিছু বাক্যের Passive voice করতে by বসে না। Annoy, charm, displease, dissatisfy, marvel, please, shock, surprise ইত্যাদি verb এর past participle এর পর ব্যক্তি থাকলে With এবং আচরণ কর্ম, গুন ইত্যাদি at বসে ।