Explanation
Which book did she like the most is an interrogative sentence of Past Indefinite Tense. Which means کونسا یا کونسی یا کس Book means کتاب Like the most بہت زیادہ پسند کرنا Which book did she like the most means وہ کس کتاب کو بہت زیادہ پسند کرتی تھی Past Indefinite tense Active Voice= Subject + Second Form of Verb + Object. Passive Voice = Object + was/were + third of verb + by + subject.
