Question
Most risk factors for (1)/pre-school overweight are
modifiable (2)/and allows at-risk groups to (3)/be identified, say researchers (4). Read each sentence to find out whether there is any grammatical error in it. The error, if any, will be in one part of the sentence. Mark the part with the error as your answer. If there is no error, mark ‘No error’ as your answer (Ignore the errors of punctuation, if any).Solution
When there is one subject and more than one verb, the verbs throughout the sentence must agree with the subject. So here, instead of ‘allows’, ‘allow’ should be used. Most risk factors for pre-school overweight are modifiable and allow at-risk groups to be identified, say researchers.
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