Question : Find the part of the given sentence that has an error in it. If there is no error, choose 'No error'.
To treat nightmare disorder, there is a number of medications and therapies.
Option 1: there is a number
Option 2: of medications and therapies.
Option 3: No error
Option 4: To treat nightmare disorder,
Correct Answer: there is a number
Solution : The first option is correct.
Explanation : The error in the sentence is the usage of (there is) in relation to a number of medications and therapies . (Is) is used for singular subjects, while ( are ) is used for plural subjects. In this case, "medications and therapies" is plural, so it requires the plural verb (are).
Therefore, the correct sentence would be: "To treat nightmare disorder, there are a number of medications and therapies."
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