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Sentence Correction: Comparatives - Superlatives

Burma, officially called the Union of Myanmar, has the highest number of child soldiers.

This answer choice is grammatically incorrect as it misuses the Superlative form indicated here by the use of the word highest. The Superlative form requires that the group under comparison be defined. However, this answer choice does not provide information about the group of which Burma has the highest number of child soldiers.

In order for this Superlative to be complete, this group must be defined.

Although this answer choice corrects the original Superlative error by defining the group of which Burma has the highest number, it creates another one because of the misuse of the Superlative form indicated here by the use of the word highest. Highest must be preceded by the word the. In this sentence, highest number is preceded by has.

Well done!

This answer choice corrects the original Superlative error by defining the group under comparison (the world).

Although this answer choice corrects the original Superlative error by defining the group under comparison, it is grammatically incorrect. The article the amount of can describe non-count nouns only whereas the noun child soldiers is a count noun.

What helps us identify this mistake is the following Stop Sign:

much, (a) little, less, the amount of

Although this answer choice corrects the original Comparative error by defining the group under comparison, it creates Redundancy by using the wordy phrase soldiers that are children than anywhere in the world.

the highest number of child soldiers
highest number of child soldiers in the world
the highest amount of child soldiers in the world
the highest number of soldiers that are children than anywhere in the world
the highest number of child soldiers in the world