To convert to passive voice, make the object the subject of the sentence and adjust the verb.
- "It must be done by me" is the correct passive construction of "I must do it."
- The other options use incorrect forms or do not match the subject of the original sentence.
In passive voice, the object of the active sentence becomes the subject, and the verb is adjusted accordingly.
When I had to leave town due to office work, I had my brother to give food to my dog twice a day.
If the President knew that his allies would let him down so suddenly, he would have handled them with the greatest care.
Among scientists, the discovery of the double helix structure of DNA and the genetic code it incorporates is widely regarded to be one of the most significant scientific discovery of the twentieth century.
Although the new policy aims to increase efficiency, reducing costs, and enhancing employee satisfaction, some employees feel that the changes are too abrupt and poorly communicated.