Experience concept · Language
The Alibi Engine
Solve the mystery by putting time into words.
The learner experience
A little curiosity. A lasting understanding.
Solve a harmless missing-stage-prop mystery. Arrange witness statements on a timeline, repair ambiguous sentences, and select a follow-up question that resolves a contradiction.
Imagine this moment
Changing “before” to “after” moves an event and reveals why two statements conflict.
Learning & evidence
The learning objective
Use tense and temporal connectives to reconstruct a coherent sequence of events.
What understanding looks like
Corrected sentences with reasons and an independently reconstructed timeline.
Adaptation
Different starting points. A shared objective.
Use simple past and picture cues; extend to past perfect and ambiguous testimony. Localize the grammar objective rather than translating English rules mechanically.
Educator review
This is a proposed experience. Content and assessment require teacher review before classroom use.
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