Identify the part of the sentence that contains a grammatical error:
Each of the boys have submitted their assignment on time.
The sentence for analysis is: "Each of the boys have submitted their assignment on time." To pinpoint the grammatical error, let's examine the sentence construction:
Reasoning: As "Each" is singular, the verb must also be singular for correct subject-verb agreement. Consequently, the verb should be "has" not "have."
Corrected sentence: "Each of the boys has submitted their assignment on time."