Someone will speak Japanese at the meeting.Change to passive voice
Japanese will be spoken by someone at the meeting.
Japanese will be spoken at the meeting.
Japanese is to be spoken at the meeting.
None of these
They will finish the work by next week.Change to passive voice.
The work will finished by them by next week
The work will be finished by next week.
The work will be finishing next week.
We elected him president.Change to passive voice
He was elected president.
He is elected president.
He was being elected president.
He elected president.
She had been attacked by some thieves.Change the voice
Some thieves had attacked her.
Some thieves attacked her.
Some thieves have attacked her.
Some thieves had been attacked her.
The carpenter is making a chair.Write in passive voice
A chair is made by the carpenter
A chair is being made by the carpenter.
A chair was made by the carpenter.
A chair being made by the carpenter.
They were preparing lunch when I arrived.Change to passive voice
Lunch was being prepared by them when I arrived.
Lunch was being prepared when I arrived
Lunch was prepared when I arrived.
It will be forgotten.Change the voice
People will forget it.
Forget it.
People forget it.
They make cars in the factory at Surat.Write in passive voice.
Cars are made in the factory at Surat.
Cars are being made in the factory at Surat.
Cars were made in the factory at Surat.
Cars being made in the factory at Surat.
He was rushed to the hospital by the natives.Change the voice
The Natives rushed him to the hospital.
The hospital was rushed by the natives.
The Natives had rushed him to the hospital.
He read the poem last day.Change the voice
The poem was read by him last day.
The poem is read by him last day.
The poem had been read by him last day.
The poem has been read by him last day.