Help Inspector Clouseau finish his crime scene notes by dragging the correct verb forms into the blanks.

When I entered the kitchen, there was flour everywhere. The suspect had been baking cupcakes for hours before the smoke alarm finally rang.

The suspect had been baking cupcakes for hours before the smoke alarm finally rang.

We use the Past Perfect Continuous (had been baking) to show that an action was ongoing for a duration up to a specific point in the past.

The specific point in the past that interrupted or followed the ongoing action uses the Simple Past (rang).