Improve the bracketed part of the sentence.
It also indicates the caveats and failure modes in the model need to be improved before (been used independently).
Show answer & explanation
Correct answer: B
Explanation
The correct answer is option 2, i.e. being used independently.
- The given sentence denotes it's main action in the present tense, which is why it is necessary to use the present form 'being' to correct the error.