* Literal: The fireplace roared, sending flames ablaze across the hearth.
* Figurative: Her eyes were ablaze with excitement as she told us about her trip.
* Descriptive: The city skyline was ablaze with the lights of a thousand buildings.
* Action: The fireworks erupted, the sky ablaze with color.
You can also use "ablaze" as part of a phrase:
* Set something ablaze: The arsonist set the house ablaze.
* Be ablaze with: The room was ablaze with laughter.
The specific sentence you create will depend on what you want to convey!