What must a teacher explain during a lesson regarding language items?

In any effective language lesson, a teacher must provide a comprehensive explanation of language items that includes modeling structure, pronunciation, meaning, context, and form. This approach ensures that students understand not only how to pronounce a word or construct a sentence grammatically but also the nuances of its meaning and the context in which it can be used.

Modeling structure involves demonstrating how words and phrases are arranged to form sentences, which helps students grasp the syntax of the language. Pronunciation is essential because accurate verbal communication relies on the correct sound of words. Meaning encompasses the definitions and connotations of the language items, allowing students to understand what they are saying or hearing. Context refers to how language items fit into broader conversations and scenarios, emphasizing their appropriate use in real-life situations. Lastly, form relates to the grammatical aspects of language items, including tense, number, and agreement.

Addressing all these elements provides learners with a holistic understanding, which is crucial for their language acquisition and use in practical settings. This comprehensive approach supports the development of a well-rounded language competency, ensuring that students can effectively communicate in various contexts.