'All his pupils like him.' বাক্যটির সঠিক passive form হচ্ছে-

All of his friends laughed at him.

By whom —?

By whom are you taught English? (Make it active)

By whom was this bird killed? Make it active.

Change into passive: People always remember patriots.

Change the active voice into passive: I am to make a telephone call.

Change the form of voice: 'He did not give up the fight even though he was badly bruised.'

Change the voice, 'He helped me do it.

Change the voice : I teach him English.