Identify the grammatical mistake in a given sentence.
The psychological actions / of his wife / was thoroughly upset Mr. Amith / No error
Show answer & explanation
Correct answer: D
Explanation
The subject is "actions" (plural), so "was" (singular) is incorrect. The verb "had" works as an auxiliary verb for the past perfect tense (indicating an action completed in the past).
"Had... upset" implies the actions occurred and resulted in a state of being upset for Mr. Amith.