The technical term for informal, conversational speech is a0 speech.

Colloquial

Explanation:

Colloquial language refers to the use of informal, conversational words and phrases. This term is particularly applied to pieces of writing that employ this type of language. Colloquial expressions can also include slang, as they represent speech as it is spoken by people in their daily lives. Although some writers use colloquial speech on purpose, some others do so indadvertedly influenced by the way they speak in their own society.

the teacher i would like to have must be a kind, caring and understandable teacher. she should be interactive with us and always plan fun activities to in our studies. she should be a teacher who would correct our mistakes when we do something wrong and guide us if we are weak. she should always be strict if we do something bad but must be praising us when we do something good. she she not take any as her favorite in her class but take everyone as her favorite.

(i hope this will u if there is something send me a reply)