Question
Do you know that it is I who has done this piece of
beautiful work? Find the part of the given sentence that has an error in it. If there is no error, choose 'No error'.Solution
"has done" should be changed to "have done." After "who," the verb should agree with the subject "I," so "have" is the correct form. The improved sentence is “Do you know that it is I who have done this piece of beautiful work?”
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