Unit 8 Section A Grammar 学案2025-2026学年人教版英语八年级下册

该初中英语导学案聚焦现在完成时持续性用法，涵盖for/since区别、延续性与非延续性动词及How long...问答。通过小组合作完成思维导图和语法填空任务，衔接一般过去时，搭建从已知到未知的学习支架。 特色在于语法学习与实践任务结合，设计志愿者海报整合语言输出与思维创造，小组展示交流提升表达能力。以核心素养为导向，培养语言运用能力、合作学习能力和创新思维，习题分层设计兼顾基础与提升，助力学生高效掌握语法知识。

When in Rome,do as the Romans do. 入乡随俗 Unit 8 Make a difference Section A 4a-4c Teacher：Mrs.Li Class:__________ Name:_____________ Title Make a difference Section A 4a-4c Grammar Core literacy 1. Master the usage of continuous aspects in the present perfect tense, as well as the distinctions between continuous verbs and non-continuous verbs. 2. Correctly use the phrases for (a period of time) and since (a specific point in time). 3. Flexibly use "How long..." to inquire about the duration of an action or state, and provide appropriate perfect tense responses using "for" or "since" as appropriate. 4. Explore the differences between the present perfect tense and the simple past tense. Learning focus Identify the objectives of the volunteer group and design the key information on the poster. Learning difficulties Clearly display the poster and explain the group's core values to attract others to join. Activities（Exhibition and Exchange） 【Preparation task: To be completed jointly with your group members.】 Task 1. Complete the following mind map as required Task2.Carefully understand the sentences in Grammar Focus 4a and 4b, and complete the following sentences using either "since" or "for". 1.More than 15 years has passed 　　　　I became a teacher.  2.I've had a terrible headache 　　　　I had a cold.  3.John's pet dog, Lucky, has been dead 　　　　two years.  4.Broadway has been famous 　　　　the early twentieth century.  5.Mr Zhang is an experienced teacher. He has taught geography 　　　　over thirty years.  Task 3:This section summarizes the usage of duration in perfect tense verbs, distinguishes between continuous and non-continuous verbs, and examines the differences between for (a period of time) and since (a specific point in time). 1.现在完成时表持续性的用法:表示某一动作或状态从　　　　　　某一时间开始并一直持续到　　　　　　,可以和表示持续的时间状语连用。表示持续动作或状态的动词多是　　　　　　　　　　　　　　。  2.辨析for与since。 for 其后跟　　　　,如:three years。  since 其后跟　　　　、从句(一般过去时)或“一段时间+ago”。  例如: I've had the book for three years. 我已经买这本书三年了。 My brother has been in the army since 2023.我的哥哥自2023年以来一直在军队。 I've put on two kilos since we started school. 自从我们开学以来,我已经增重了两公斤。 Step1：Complete Task 4a (Sample Group Selection): Group Objective: To teach children essential life skills. Additional Description: To help elementary school students acquire practical life skills such as organizing school bags and crossing roads safely. Step 2：Design a volunteer recruitment poster (12 minutes) 海报标题：Volunteer to Teach Kids Life Skills! What does your group do?：Teach primary school kids practical life skills. Who are you helping?：Grade 1-2 students in our school. What work will volunteers do?： 0. Prepare simple life-skill lessons (e.g., “how to organize school bags”). 0. Practice skills with kids in after-school classes. What skills should volunteers have?： 0. Good at communicating with kids. 0. Patient and able to explain things simply. How often will volunteers work?：Every Wednesday, 4:00-5:00 p.m. What information do volunteers need to know?： 0. WHERE: School Classroom 201 0. WHO TO CONTACT: Lily on 138-XXXX-XXXX Step3:Show Poster and Class Voting (10 Minutes) 完成 4c（示例展示话术）：“Our volunteer group is called ‘Kid Life Helpers’—we teach Grade 1-2 kids life skills like organizing bags and crossing the road safely. Volunteers need to be patient with kids and can prepare simple lessons. We meet every Wednesday afternoon in Classroom 201. If you like working with kids and want to help them learn useful skills, join us!” Step4: Homework 基础题：根据示例海报填空： ① The volunteer group helps Grade 1-2 students learn life skills. ② Volunteers need to work every Wednesday afternoon. 提升题：用 2 句话介绍你小组的志愿者团体： ___________________________________________________________________ ___________________________________________________________________ Our group teaches primary kids practical life skills. Volunteers need to be good with kids, and we meet weekly to help them learn useful daily skills. ( My reflections: ) ( My summary: ) ( I learned: ) ( 反思栏： ) ( 概括栏： ) ( 提炼栏： ) 学科网（北京）股份有限公司 $