Question
The following sentence has been split into four segments.
Identify the segment that contains a grammatical error. He doesn’t know / how to solve / the complicating problem / given by the teacher.Solution
The word "complicating" is incorrect here because it is a present participle (verb form) and doesn’t fit as an adjective describing the noun "problem."
The correct adjective should be "complicated," which means difficult or complex.
So, the correct phrase is "the complicated problem."
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