Identify the grammatically incorrect part: She (A) not only (B) works hard (C) but also plays (D) very well.
Q1. Identify the grammatically incorrect part: She (A) not only (B) works hard (C) but also plays (D) very well.
Answer: but also plays
Explanation: Correct answer is C. 'Plays' should be 'playing' to maintain parallel structure with 'works' as a gerund.