A. A song will have been sung by her.
B. A song have been sung by her.
C. A song has sung by her.
D. A song will had sung by her.
🧠 Explanation:
The sentence "She will have sung a song" in passive voice becomes "A song will have been sung by her." This transformation shifts focus from the doer to the action, using the future perfect tense. Passive voice is common in formal writing, emphasizing the object. Understanding voice changes enhances grammatical precision, vital in English composition. This example highlights active-to-passive conversion, a key skill in writing, editing, or teaching, ensuring clarity in expressing actions across various contexts.