The following sentence has been split into four segments. Identify the segment that
contains a grammatical error.
Holiday homework / are essential to keeping / students busy / during the vacation.
Show answer & explanation
Correct answer: A
Explanation
The correct answer is option 1 i.e. are essential to keeping.
- The error lies in part 2 of the sentence.
- We know that after 'to' the infinitive base form of the verb is used.
- Now since in the given sentence, a holiday is in its singular form, therefore, the singular verb used is to be used.
- Thus, 'is; will be replaced by 'are.'
Thus, the correct sentence"
Holiday homework is essential to keeping students busy during` the vacation.