Question
In each question below, a sentence is given with a part
of it printed in bold type. That part may contain a grammatical error. Each sentence is followed by phrases 1), 2) and 3). Find out which phrase should replace the phrase given in bold to correct the error, if there is any, and to make the sentence grammatically meaningful and correct. If the sentence is correct as it is and ‘ No correction is required’ , mark 4) as the answer. Each of the team members have given their best effort to ensure the project is completed on time.Solution
The subject "Each of the team members" is singular, meaning the verb should be singular as well. The correct verb form to use with "Each" is "has," not "have." The phrase "their best effort" should also be singular to match "each." Therefore, the correct phrase is "has given their best effort," which is grammatically correct. "have given their best efforts" uses "have," which doesn't agree with the singular subject "Each." "had given their best" uses the past perfect tense ("had given"), which is unnecessary in this context. "gave their best" uses the simple past tense, which isn't the right tense for this sentence.
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