Select the correct passive form of the given sentence.
"He is solving a complex problem."
Show answer & explanation
Correct answer: B
Explanation
Transformation from active to passive voice:
Active Voice Tense: The original sentence is in the Present Continuous tense (is solving).
Passive Voice Rule: For Present Continuous, the structure changes to: Object + is/am/are + being + Past Participle (V3) + by + Subject.
Application:
Object: "A complex problem"
Verb: "is being solved"
Subject: "by him"
Passive voice: A complex problem is being solved by him.