Some of the features of Formal Standard American English include:
* Standard grammar: Formal SAE follows the rules of standard English grammar, including the use of correct verb tenses, subject-verb agreement, and pronoun case.
* Standard vocabulary: Formal SAE uses a wide range of words that are considered to be standard English, including many words that are not used in informal speech.
* Avoidance of slang and informal expressions: Formal SAE avoids the use of slang and informal expressions, such as "ain't," "gonna," and "wanna."
Formal Standard American English is considered to be the most prestigious variety of American English, and it is often used in situations where it is important to convey a sense of authority, professionalism, or seriousness.