The following sentence has been divided into four segments. Identify the segment that has a grammatical error.
He will have to / knuckle up really seriously, / if he wants to / crack the upcoming deal.
Show answer & explanation
Correct answer: D
Explanation
The correct answer is option 4 i.e. knuckle up really seriously
Error concept: Informal or non-standard phrase usage
What is wrong: The phrase “knuckle up really seriously” is informal and awkward in formal writing.
Grammatical concept: In formal English, avoid colloquial expressions and use standard verbs.
Incorrectness of the concept in context: Using knuckle up makes the sentence sound informal and less professional.
How to correct: Replace knuckle up really seriously with work really hard.
Correct phrase/ correction: work really hard
Final sentence: He will have to work really hard, if he wants to crack the upcoming deal.
Hence, the chosen option is correct.