* The government regulates the price of gasoline. (meaning the government sets limits on how much gasoline can cost)
* Your body naturally regulates its temperature. (meaning your body controls its own temperature)
* The thermostat helps regulate the temperature in the house. (meaning the thermostat keeps the house at a certain temperature)
* The referee regulates the game to ensure fair play. (meaning the referee makes sure everyone follows the rules)
Let me know if you'd like me to create sentences with a specific context!