English stories sample

Grammar Detective

Solve one grammar mystery before the full casebook. Grammar Detective is a Grammar Stage companion for sentence foundations.

Find a free first quest Keep browsing this preview See plans and pricing

Casebook

Story cases

Grammar focus

Subjects to punctuation

Stage

Grammar Stage

Sample case clue

The Case of the Missing Subject

The clue begins with "___ ran quickly to the store." Students identify the missing subject before the full case unlocks.

Every sentence needs a subject: a noun or pronoun that tells who or what the sentence is about.

Find the missing subject in a sentence clue.

Choose the verb tense that restores the timeline.

Use prepositions to complete a treasure-map direction.

English Practice continues into Logic and Rhetoric Stage drills when students are ready for literature, composition, and argument.

English Practice Reference Map

The full Grammar Detective casebook needs JavaScript for progress, choices, and feedback.

Just a moment…

[data-root-loading-motion] { display: none !important; }

Classical Quest

Classical Quest needs JavaScript

This browser is not running JavaScript, so Classical Quest's interactive pages cannot finish loading. You can still open our quick-start PDF or email us for help.

Open quick-start guide Email support

English