Case Files · Worksheet

Grammar Detective Challenge #001 — The Missing Homework Mystery

A classroom-tested Grammar Spy™ Case File where students play detective and correct 11 hidden grammar mistakes in a witness statement. Targets past tense verbs, subject-verb agreement, negative verb forms, and editing. Perfect for ELL/ELD bell ringers, intervention, sub plans, or fast finishers.

What’s included

  • Witness statement with 11 hidden grammar mistakes
  • Evidence tracker for student corrections
  • Suggested classroom uses
  • Confidential answer key with grammar rules

Learning goals

  • Identify and correct past tense verb errors
  • Apply subject-verb agreement rules
  • Use negative verb forms correctly
  • Build proofreading and editing stamina