ない

ない is the negative form of verbs in Japanese. It is used to indicate that an action is not performed. In informal conversations, it is commonly used among friends and family. Additionally, when combined with nouns, it can be used to express that something is not true or does not exist.

For verbs, the transformation from the dictionary form to the ない form involves changing the verb's end from -u sound to -anai. For example, the verb '食べる' (to eat) becomes '食べない' (to not eat).

It is important to note that ない can also convey different levels of politeness. In formal situations, it is recommended to use ません instead of ない.

• Eating and not eating
• General existence or lack of existence
• General conversation and daily activities