Is non assertive one of the three tones language?

No, "non-assertive" is not one of the three tones of language. There is no universally accepted three-tone system for language.

Here's why:

* Tone of Voice: While "non-assertive" describes a tone of voice, it's not a specific tone within a system of tones. Tone of voice is a broader concept encompassing factors like volume, pitch, and inflection.

* Tonal Languages: Tonal languages use pitch variations to differentiate words or meanings. The most common systems have two, three, or four tones. Examples of tonal languages include Chinese, Vietnamese, and Thai.

Instead of "non-assertive," you might be thinking of:

* Passive Tone: This conveys a lack of confidence or directness.

* Aggressive Tone: This conveys hostility or dominance.

* Assertive Tone: This conveys confidence and respect.

Remember: Tone of voice is a complex aspect of communication and can be affected by various factors like culture, personality, and the context of the conversation.