Identify the sentence with the INCORRECT usage of an adverb.

Correct option is A

Option (a) contains an error.
Explanation: The adverb “already” should be placed before the main verb or between auxiliary and main verb. The correct structure: "Rohit has already completed the project" or "Rohit already completed the project."
Grammatical rule used: Adverbs of time such as “already” are generally placed before the main verb or after the auxiliary verb.
Example: She has already gone to school.
�� Information Booster: When using adverbs like "never", "already", "just", place them between the helping verb and main verb when present.