The teacher is preparing students for a standardized test where punctuation is a key component, focusing on test-taking strategies.

The teacher wants students to memorize the correct punctuation rules by practicing them in isolated sentences.

The teacher is helping students develop metalinguistic awareness by encouraging them to think critically about how punctuation affects meaning and how grammatical choices influence interpretation.

The teacher is assessing students' ability to recognize and reproduce complex sentence structures without explicit focus on meaning.

The teacher aims to improve students' reading speed by focusing on punctuation marks as cues for faster comprehension.