**Lesson Plan: Developing Proficiency in Formal and Informal English**

**Objective:**
By the end of this lesson, students will be able to distinguish between formal and informal English in writing, speaking, listening, and reading contexts. They will also practice using appropriate language styles in various situations.

**Duration:**
90 minutes

**Materials:**
- Whiteboard and markers
- Printed examples of formal and informal communication
- Audio recordings or video clips for listening practice

**Introduction (15 minutes):**
1. Begin with a discussion on the importance of formal and informal communication in different contexts such as professional settings, casual conversations, written correspondence, etc.
2. Provide examples of formal and informal language use in daily life to illustrate the differences.

**Writing Activities (25 minutes):**
3. Distribute written samples of both formal and informal communication. Ask students to identify key features that distinguish each style.
4. Engage students in a short writing exercise where they compose an informal email to a friend and a formal letter to a hypothetical employer applying for a job.
5. Peer review: Have students exchange their writing with a partner and provide feedback on the appropriateness of the language used.

**Speaking Activities (20 minutes):**
6. Conduct a role-playing activity where students practice both formal and informal conversations. Examples could include job interviews, casual socializing, or making a complaint at a store.
7. Encourage students to pay attention to tone, vocabulary, and level of formality during the role play.
8. Discuss as a class, highlighting effective communication strategies used in each scenario.

**Listening Comprehension (15 minutes):**
9. Play audio clips or show video segments featuring conversations in different settings. Ask students to identify whether the language used is formal or informal and to point out specific language cues.
10. Facilitate a class discussion on how listening to tone and word choice can help identify the formality of a conversation.

**Reading Comprehension (15 minutes):**
11. Provide students with written passages in both formal and informal styles.
12. In pairs or small groups, have students discuss the tone, purpose, and context of each passage.
13. Discuss as a class, emphasizing the importance of recognizing language cue