Which term describes a language register that usually follows a commonly accepted format?

• A. Casual
• B. Mode
• C. ESL
• D. Formal

Answer: (D)

A formal register is the language style that usually follows a commonly accepted format. In formal context, language is precise, uses standard grammar and vocabulary, and keeps a neutral, objective tone. It often follows established structures—think academic essays, business reports, official letters, or professional emails where you present ideas in a clear, organized way with proper salutations, sections, and formal wording.

This contrasts with casual language, which is informal and conversational, full of slang, contractions, and personal tone, not typically aligned to strict formats. The other term isn’t about how language is used in a format but rather the channel or function of communication, or a learner’s status, so they don’t describe the way language is structured or presented in formal contexts.