Distinguish complete sentences from fragments and run-on sentences.

Correct sentence fragments by adding a missing subject, verb, or complete thought.

Correct fused sentences and comma splices using standard sentence boundaries.

Apply subject–verb agreement in sentences with common agreement difficulties.

Select verb forms that maintain a consistent and appropriate tense.

Use pronouns with clear antecedents and correct agreement.

Place commas correctly in a focused set of common sentence patterns.

Edit a short passage for sentence-boundary, agreement, tense, pronoun, and comma errors.