Unit 4 Sharing Period 2 Discover Useful Structures 短语复习 导学案-2026-2027学年人教版（2019）高中英语选择性必修第四册

人教版（2019）选择性必修第四册 Unit 4 Sharing Period 2 Discover Useful Structures 短语复习 导学案 学情分析 学生在前面几个单元已经接触过各种短语的基本形式，但考到五种短语类型混合判断时容易混，尤其是形容词短语和介词短语作定语时学生最容易搞不清怎么区分。这节课紧扣单元分享主题，以武汉志愿服务与社区互助为情境来讲，先梳理形式再练语境，降低复习的枯燥感。 学习目标 1. 能通过观察例句，归纳名词短语、动词短语、形容词短语、副词短语、介词短语的结构特征与基本功能。 2. 能在描述武汉志愿服务、社区活动与城市生活的语境中正确识别和运用各种短语。 3. 能区分不同短语类型的句法功能，体会短语在书面表达中的修饰作用。 学习重难点 重点：五种短语的结构特征与基本句法功能判断，尤其是形容词短语和介词短语作定语的区别。 难点：① 形容词短语作后置定语与介词短语作后置定语的区分；② 动词短语中动词与小品词的搭配关系判断。 课堂探究 Part Ⅰ Lead-in Look at the sentences about Wuhan volunteer work and identify the underlined phrases. 1. Many warm-hearted volunteers help the elderly in the community every weekend. 2. The students worked hard to clean up the park near their school. 3. The little girl in red is helping an old man cross the street. Part Ⅱ Analyze and Identify Task 1 Identify the phrase types: NP, VP, AdjP, AdvP, PrepP. 1. A group of kind-hearted college students visited the children's hospital last Sunday. 2. The volunteers worked very hard to help the homeless people in winter. 3. The books on the shelf are all donated by warm-hearted Wuhan citizens. 4. We were deeply moved by the story of the old teacher who taught in the mountain village. 5. The charity sale was organized by the students themselves quite successfully. 6. People from all walks of life came together to help the flood-hit areas. Task 2 Look at the six sentences above and identify the function of each phrase. 1. ______ 2. ______ 3. ______ 4. ______ 5. ______ 6. ______ Task 3 Complete the following sentences according to the Chinese hints. 1. 许多热心的武汉市民参加了这次慈善活动。 ______ ______ ______ warm-hearted Wuhan citizens took part in this charity event. 2. 书架上的这些书都是捐给山区孩子的。 These books ______ ______ ______ are all donated to the children in the mountain areas. 3. 志愿者们非常努力地工作，帮助需要帮助的人。 The volunteers worked ______ ______ to help people in need. 4. 被这个故事深深感动，我们决定也做一名志愿者。 ______ ______ by the story, we decided to become volunteers too. Part Ⅲ Summarize Task 1 Work with your partner to summarize the five types of phrases and their functions. • Noun phrase (NP): 中心词是 ____________ → 作主语、宾语、表语 • Verb phrase (VP): 中心词是 ____________ → 作谓语 • Adjective phrase (AdjP): 中心词是 ____________ → 作定语、表语、状语 • Adverb phrase (AdvP): 中心词是 ____________ → 作状语 • Prepositional phrase (PrepP): 中心词是 ____________ → 作定语、状语、表语 小口诀：找中心词判断类型 → 看位置判断功能 Task 2 How do you tell an adjective phrase and a prepositional phrase apart as attributives? 判断方法：作定语时看短语第一个词—— 第一个词是 ____________ → AdjP（形容词短语） 第一个词是 ____________ → PrepP（介词短语） Part Ⅳ Practice Task 1 Identify the underlined phrases in the following sentences. 1. A group of volunteers from Wuhan University went to the countryside to teach. 2. The elderly people in the nursing home are very happy to see the young visitors. 3. The students organized the charity sale quite successfully last weekend. 4. We were all moved by the kindness of the strangers who helped us. 5. The kind-hearted woman in blue spent all her time helping the poor children. 6. The volunteers worked very carefully to help the disabled people cross the road. Task 2 Complete the following sentences according to the Chinese hints. 1. 一群热心的大学生去农村支教。 ______ ______ ______ warm-hearted college students went to the countryside to teach. 2. 养老院里的老人们看到我们非常开心。 The elderly people ______ ______ ______ ______ are very happy to see us. 3. 学生们非常成功地组织了这次慈善义卖。 The students organized the charity sale ______ ______. 4. 被这些好人的故事深深感动，我们都流下了眼泪。 ______ ______ by the stories of these kind people, we all cried. Part Ⅴ Assess Yourself At the end of this period, are you able to: 1. identify and summarize all five types of phrases? 2. use phrases correctly when describing volunteer work in Wuhan? 3. tell adjective phrases and prepositional phrases apart as attributives? 课后作业 1. Write a short passage (80-100 words) about a volunteer activity you joined in Wuhan. Use at least 5 different phrase types. 2. Finish the exercises on Workbook "Reviewing useful structures". 3. Talk about one volunteer experience with your deskmate, using as many phrases as you can. 参考答案 Part Ⅰ Lead-in 1. NP 2. VP 3. PrepP Part Ⅱ Analyze and Identify Task 1 1. NP 2. VP 3. PrepP 4. AdjP 5. AdvP 6. NP Task 2 1. subject 2. predicate 3. attributive 4. predicative（过去分词短语） 5. adverbial 6. subject Task 3 1. Quite a few 2. on the shelf 3. very hard 4. Deeply moved Part Ⅲ Summarize Task 1 • NP: 中心词是名词 → 主/宾/表 • VP: 中心词是动词 → 谓语 • AdjP: 中心词是形容词 → 定/表/状 • AdvP: 中心词是副词 → 状语 • PrepP: 中心词是介词 → 定/状/表 Task 2（参考答案） 第一个词是形容词 → AdjP（形容词短语） 第一个词是介词 → PrepP（介词短语） 例：the books full of stories（AdjP） vs the books on the shelf（PrepP）。 Part Ⅳ Practice Task 1 1. NP + PrepP 2. PrepP 3. AdvP 4. AdjP 5. AdjP + PrepP 6. AdvP Task 2 1. A group of 2. in the nursing home 3. quite successfully 4. Deeply moved 学科网（北京）股份有限公司 $