Unit 2 Healthy Lifestyle Learning about Language 教学设计 2023-2024学年高中英语人教版（2019）选择性必修第三册

Unit 2 Healthy Lifestyle Section B Learning about Language Teaching plan Subject：English Title：Section B Learning About Language Period：1 class Teaching objectives and core literacy： Language ability：Understand and master the infinitive used as subject Learning ability：Enable to use the infinitive used as subject Cultural awareness：Cultivate students' interest in learning grammar Thinking quality：Promote students’ comparing the the infinitive used as subject and the infinitive used as predicative Teaching key points and difficulties Teaching key points：Be able to usethe infinitive used as subject skillfully. Teaching difficulties：Cultivate students' interest in learning grammar Teaching media：Multimedia, Blackboard, chalk Teaching process： 一、Pre-class 1. Greeting 2. Leading-in Student Activities: read the other sentences given in activity 1. discuss and summarize the functions of the italic (infinitive) in the sentences. 1 To change bad habits is never easy. 2 It took the surgeon three hours to finish my mother's lung surgery. 3 To join the People's Liberation Army, it is required for men to shave off their beards. 4 It was not polite to disturb your neighbours with loud music last night. Teacher's activities: induction points out that four sentences in the infinitive as the subject, when necessary, through the translation to guide students to understand the meaning of each sentence and the relationship between sentence components. For example, the teacher can direct the student's attention to the first sentence, pointing out that this sentence can also be rewritten as "It is never easy to change bad habits."，Then ask the students to analyze the difference between the two expressions and draw a conclusion: It is in line with English expression habits to replace the real subject with the formal subject It, avoid sentence top-heavy, structure imbalance. If the author intends to put a long infinitive subject at the beginning of the sentence, then the author is tryi