If you’re already a student of the Japanese language, then you probably already use Teineigo, even if you didn’t realize it. Teineigo is applied in the use of prefixes and verb endings in basic conversational Japanese text books. Verbs end in masu, for one example. Any basic Japanese learning text book includes sentence structures using forms of Teineigo, such as ending a sentence with desu.
The prefix o is often placed in front of neutral words in a sentence or phrase. By teaching students the Teineigo form of speaking in the initial stage of learning Japanese, the student incorporates polite speaking more naturally. Teineigo is a form of polite speech used for both referring to other people and oneself respectively.