北师大版（2019） 选择性必修第四册 Unit 10 Connections Lesson 1 How Closely Connected Are We?

Book 4 Unit 10 Connections教学设计 Lesson 1 Grammar板块教学设计 （建议时长40–45分钟，教师可根据教学实际酌情调整。） 课型 Grammar 主题语境 人与社会———�六度分隔”理论的内涵及发展历程 内容分析 本文为一篇说明文，说明对象为涉及人与人之间紧密关系的“六度分隔”理论。本文不仅介绍了该理论的定义，并按时间顺序展示了不同时期不同人们对该理论的发展、验证及实验的方法与结论。在介绍其各阶段的研究时，文章大量运用过去时的被动语态陈述实验的过程、方法及结果，所使用的过去时的被动语态包括一般过去时的被动语态、过去进行时的被动语态和过去完成时的被动语态。 教学目标 1. 辨析句子中的过去时的被动语态（一般过去时的被动语态、过去进行时的被动语态和过去完成时的被动语态）； 2. 分析、识别三种过去时的被动语态的构成、用法及几种特殊结构； 3. 在句子中正确使用过去时的被动语态。 教学重点 掌握三种过去时的被动语态的构成及用法。 教学难点 正确使用过去时的被动语态表达句子的意思。 教学策略 Discovery Approach Teaching contents Procedures Purposes Teacher’s activity Students’ activity Lead in 1. T presents some sentences in lesson 1 and asks Ss to observe and tell the type of passive forms of the underlined part. 2. T lists more sentences with passive forms in the past and leads Ss to judge the voice and tense of them. 1. Ss observe the given sentences to tell which type of passive forms is used in the underlined part in each sentence. 2. Ss judge the voice and tense of the sentences. 1. Recall the context information they have learnt. 2. Find the grammar knowledge in the articles and make Ss realize grammar expresses meaning. 3. Summarize the form of passive forms in the past first. Have a look T leads Ss to find more sentences using passive forms in the past in the text. Ss read the text carefully to underline the sentences passive forms in the past. Strengthen Ss’ understanding of the passive forms in the past. Analyze T presents the sentences using the tense of Past Simple Passive, Past Continuous Passive and Past Perfect Passive for Ss to summarize their structure and uses respectively. T presents sentences for Ss to summarize several special uses of Passive Forms in the Past. Ss analyze the given sentences to conclude structures and uses of Passive Forms in the Past. Ss read the example sentences to analyze and conclude the special uses of Passive Forms in the Past. Analyze and summarize the structures and uses of three types of Passive Forms in the Past. Practice T shows Ss the sentences for Ss to fill in the blanks to complete them with suitable tenses. T guides Ss to finish Exercise 8 on Page 8. Ss try to complete the sentences with the grammar they have learnt. Ss finish Exercise 9 to practise composing sentences with passive forms in the past. Apply passive forms in the past to finish sentences. Review T leads Ss to review the grammar they have learned and retell the development of the theory of “Six Degrees of Separation” using passive forms in the past. Ss revise the grammar knowledge and apply it to retell the development of the theory. Review the structures and uses of pas ... ...