8B Module 4 Unit 7 Grammar教學內容8B Module 4Unit 7 Grammar授課人授課時間教材分析教學目標語言知識1. 連詞as，since和because的含義和用法。2. 用because of陳述理由。語言技能能夠在具體的情境中正確使用原因專業從句或用because of 陳述原因。學習策略小組合作探究，善于發現語言的規律并能運用規律舉一反三。教學重點1. 原因狀語從句的用法。2. 掌握because和because of的區別。教學難點在實際運用中正確使用原因狀語從句。教法與學法指導Self-study, Cooperation, Group work.Teaching ProceduresStep1leading inListen to an English song and fill in the blanks.（設計意圖：課前播放一首歡快的英文歌曲“because you live，渲染課堂氣氛，營造英語學習氛圍，使學生很快進入角色；通過聽歌填詞能巧妙的引出今天的教學內容。）Step2 learn the Adverbial clause of reason guided by as, since or because.1. Group work: observation &induction(1) I was late for school because the bus didnt come on time.(2) Because the bus didnt come on time, I was late for school.(3) I refuse to believe you, since no one else saw these aliens.(4) Since no one else saw these aliens, I refuse to believe you.(5) You d better see a doctor at once as you are ill.(6) As you are ill, youd better see a doctor at once.a) 以上例句是由連詞__________ 、___________ 、__________ 引導的原因狀語從句。b) 從上面的例句可以知道原因狀語從句是用來說明事物的_________。c) 緊跟在連詞because，since，as后面的句子是___________（主句/從句）,不緊跟連詞后面的句子是_________（主句/從句）.d) 從句既可以放在主語前，也可以放在主語后，如果將because/as/since放在句首，則它們引導的原因狀語從句后應加________。2. Ask the students to combine the following sentences using because, as or since.（設計意圖：讓學生熟悉原因狀語從句的結構和用法）(1) Mr. Wang told us to leave school at 2: 30 p.m. the storm was coming Eg: Mr. Wang told us to leave school at 2: 30 p. m because/as/since the storm was coming./ Because/as/since the storm was coming, Mr. Wang told us to leave school at 2: 30p. m.(2) Everyone was running quickly in the street. That was the last bus.(3) I couldnt get into the flat. I forgot to bring my keys 。(4) He couldnt walk. His leg was broken. (5) She was ill. She didnt go to school.3. Guide the students to know the difference among because, since and as.Step 3 learn the difference between because and because of 1.Group work: observation &induction(1) I stayed at home because it rained heavily. (2) We had to change our clothes because we were all wet from the storm. (3) I stayed at home because of the rain.(4) Tina woke up at midnight because of a loud noise.(5) I could pass the English exam because of you.從例（1）、例（2）可知，___________后面跟句子；從例（3）、例（4）、例（5）可知______________后面跟名詞短語或代詞。2. have students fill in the blanks with “because” or “because of”Step 4 Consolidation.1. Multiple choice.Step5 summaryTStep 5 Talk about the pictures by using because or because of( if time permits)Step6 Homework.1.Draw a mind map(思維導圖)to summary what we have learnt today.2. Write 3 sentences with “because” & “because of”.2