Question

Researchers are desperately searching for a cure for many deadly diseases.the passive voice of the above sentence

Answer 1

cure for many deadly diseases is being desperately searched by researchers

Answer 2

Researchers are desperately searching a cure for many deadly diseases.

Tense → Present Continuous Tense.

(Subject + V4 + Object).

Conversion into Passive Voice:-

A cure for many deadly diseases is being search desperately by researchers.

(Object + is/am/are + V3 + by + Subject).