defence exam Agniveer Army Clerk/Store Keeper 2025 Mock Test Series English Grammar Active and Passive Voice
Choose the option that is the passive form of the given sentence.
The researchers have published all the important details of the discovery.
1
The publication of all the important details of the discovery was done by them.
2
All the details have been discovery by the publishers.
3
All the important details of the discovery have been published by the researchers.
4
All the important details of the discovery had been published by the researchers.