Here are some examples:
* Tamil: Naan illa. (I am not.)
* Hindi: Main nahin. (I am not.)
* Tamil: Saappaadu illa. (There is no food.)
* Hindi: Khaana nahin hai. (There is no food.)
* Tamil: Neenga varathu illa. (You don't come.)
* Hindi: Aap mat aaiye. (Don't come.)
The word "Illa" is a very versatile word in Tamil, just like "nahin" in Hindi, and can be used in many different contexts.