May you use flour instead of corn flour?

Please provide more context! I need to know what you're trying to make in order to answer your question about using flour instead of corn flour.

For example, are you asking:

* Can I use regular flour in a recipe that calls for corn flour? The answer depends on the recipe. Some recipes can be adapted, while others require corn flour's specific properties.

* Can I use flour instead of corn flour for thickening a sauce? Yes, you can use regular flour to thicken a sauce, but you may need to adjust the amount.

* Can I use flour to make cornbread? No, you cannot use regular flour to make cornbread, as it needs the unique properties of corn flour.

Tell me more about what you're making, and I can give you a more specific answer!