Question : Identify the segment that contains a grammatical error. If there is no error, select 'No Error'.
In doing so, he have acquainted / himself with the geological features / and colours of the stone of the site.
Option 1: no error
Option 2: and colours of the stone of the site
Option 3: himself with the geological features
Option 4: in doing so, he have acquainted
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Correct Answer: in doing so, he have acquainted
Solution : The correct choice is the fourth option.
The subject he is a singular third-person pronoun, and when using the present perfect tense, the correct auxiliary verb is has for singular subjects. So, the correct form is he has acquainted rather than he have acquainted, as per the subject-verb agreement.
Therefore, the correct sentence should be: "In doing so, he has acquainted himself with the geological features and colours of the stone at the site."
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