Question : Improve the underlined part of the sentence. Choose 'No improvement' as an answer if the sentence is grammatically correct.
This has sharp decreased the cases of water-borne diseases.
Option 1: sharp decrease
Option 2: sharply decreased
Option 3: sharper decreases
Option 4: No improvement
Correct Answer: sharply decreased
Solution : The second option is correct.
- The adverb sharply correctly modifies the verb decreased t o indicate the extent of the decrease.
- The original sentence incorrectly uses the adjective sharp instead of the adverb.
- Adjectives describe nouns, while adverbs describe verbs, adjectives, and other adverbs.
- In this case, the adjective sharp would require a noun to be modified, such as sharp decline instead of sharp decreased .
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