英語人教版八年級下冊unit 5 Grammar focus-4c.docx

I 教學目標1 Knowledge Objectives：Ss can master the meaning, structure and the usage of the Past Progressive Tense and the clause of when and while.2 Ability Objectives: Ss can learn to describe what people were doing by using the Past Progressive Tense and the when and while clause.3 Moral Objectives: Learn the different expressions about how to talk about the things happening in the past. Cooperate with each other and communicate with each other.II 學情分析本節(jié)課為第五單元的第三課時。學生已經(jīng)基本掌握了有關(guān)過去進行時的含義和句型等用法，為總結(jié)復習語法墊定了基礎(chǔ)。本節(jié)課將在學生現(xiàn)有的知識水平上，對when和while引導的時間狀語進行深入的學習和探討，并進行大量的訓練和應用。III 重點難點Teaching key points: The meaning, structure and the usage of the Past Progressive Tense and the when and while adverbial clause.Teaching difficult points: Ss can correctly use the when and while clause in the Past Progressive Tense. IV 教學過程Step 1 Warming upAsk Ss to make sentences one by one with when and while.E.g.: I was doing the dishes at eight last night. What were you doing while Ms. Xie was doing the dishes? While Ms. Xie was doing the dishes, I was sleeping.設(shè)計意圖：學生句子接龍能夠為課堂活躍氣氛，達到預熱效果。Step 2 Check homework online1. Open the teachers QQ message and check Ss homework-make conversations in pairs with the Past Progressive Tense.2. Correct the mistakes about the conversations.設(shè)計意圖：運用QQ群作業(yè)功能，展示前一天學生口語作業(yè)的完成情況,既檢查了作業(yè)，又提升了學生的學習積極性。Step 3 Presentation1.Show a task-chain on the screen. The chain is used for finishing tasks in this class. One road-block is one task.2.Tell Ss they are going for an adventure trip to hunt for treasure.設(shè)計意圖：用闖關(guān)探險尋寶來吸引學生融入課堂，提高學習語法的興趣。Step 4 Task1 Guessing game1. Watch a video about a disaster. Ask Ss what happened.2. Show some pictures of Chinese famous persons and guess what they were doing at that time.3. Ask: What was he/she/were they doing at the time of/while/when?設(shè)計意圖：用龍卷風的視頻來導入，設(shè)定動作發(fā)生的時間，通過圖片讓學生猜測名人在當時正在進行的動作，進一步激發(fā)學生的想象力和說英語的渴望。用人物不同的性別和數(shù)量來復習過去進行時的基本句型。Step 5 Task2 Review the Past Progressive Tense1. Ask one student to come to the front and explain the meaning, time and the structure of the Past Progressive Tense.2. Finish some sentences together. 3. T reads a chant about the Past Progressive Tense for the Ss.4. Ss clap their hands while reading the chant together.5. Ss read again faster.設(shè)計意圖：探究一用文字呈現(xiàn)的方式來復習歸納過去進行時的基本用法。Step 6 Task3 Discuss and study when and while1. Read the phrases and sentences on the paper. 2. Discuss in groups and find out the rules of the usage of when and while.3. Fill in the blanks.4. Call some students to come to the front to explain for the classmates.5. Summarize the usage of when and while together.設(shè)計意圖：探究二中，用兩組不同的短語讓學生體會瞬間和延續(xù)動作的區(qū)別，用四組不同的句子讓學生探討when和while在不同情況下的用法區(qū)別。Step 7 Task 4 Consolidation & Exercise1. Watch a micro-class about when and while.2. Do exercises.設(shè)計意圖：微課中導入了對其他同學在過去的時間里正在做的事情的采訪，激發(fā)學生的好奇心和學習興趣，當中的講解進一步歸納鞏固了上一步學生討論的成果。最后通過練習達到運用的目的。Step 8 Task 5 Practice: write and connect1. There are eight groups students. Ask each group of Ss to write down one kind of sentence parts. Group 1 and 2 write the subjects, group 3 and 4 write the continual verbs, group 5 and 6 write the momentary verbs, group 7 and 8 write the places. Each group should write down six different phrases on the card.2. The group leader hand in the cards.3. Call students to draw cards according to the teachers instructions and put them up on the blackboard.4. The other students speak out the sentences by connecting the phrases.設(shè)計意圖：連詞成句的游戲能夠讓所有同學都參與到課堂，增加了課堂的趣味性，同時也達到了練習when和while的用法的教學目的。Step 9 Task 6 Competition1. Call four students to draw three cards and act out the three actions at the same time.2. The others make different sentences with the Past Progressive Tense.設(shè)計意圖：抽取卡片表演，為學生練習說句子提供了良好的語言情境，使本堂課真正達到了運用的目的，語法課不僅僅是語法的