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

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。