Thank you for your warning. ✬

I had to see you to give you a warning. ✬

Tom didn't pay any attention to the warning. ✬

Tom ignored Mary's warning. ✬

Tom failed to heed warning signs. ✬

This is the last warning. ✬

Thanks for warning me. ✬

I gave you fair warning. ✬

Tom warned Mary that John was nothing but trouble. However, she ignored his warning. ✬

This is your final warning. ✬