8B Module 4 Unit 7 Grammar教学内容8B Module 4Unit 7 Grammar授课人授课时间教材分析教学目标语言知识1. 连词as，since和because的含义和用法。2. 用because of陈述理由。语言技能能够在具体的情境中正确使用原因专业从句或用because of 陈述原因。学习策略小组合作探究，善于发现语言的规律并能运用规律举一反三。教学重点1. 原因状语从句的用法。2. 掌握because和because of的区别。教学难点在实际运用中正确使用原因状语从句。教法与学法指导Self-study, Cooperation, Group work.Teaching ProceduresStep1leading inListen to an English song and fill in the blanks.（设计意图：课前播放一首欢快的英文歌曲“because you live，渲染课堂气氛，营造英语学习氛围，使学生很快进入角色；通过听歌填词能巧妙的引出今天的教学内容。）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) 以上例句是由连词__________ 、___________ 、__________ 引导的原因状语从句。b) 从上面的例句可以知道原因状语从句是用来说明事物的_________。c) 紧跟在连词because，since，as后面的句子是___________（主句/从句）,不紧跟连词后面的句子是_________（主句/从句）.d) 从句既可以放在主语前，也可以放在主语后，如果将because/as/since放在句首，则它们引导的原因状语从句后应加________。2. Ask the students to combine the following sentences using because, as or since.（设计意图：让学生熟悉原因状语从句的结构和用法）(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.从例（1）、例（2）可知，___________后面跟句子；从例（3）、例（4）、例（5）可知______________后面跟名词短语或代词。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(思维导图)to summary what we have learnt today.2. Write 3 sentences with “because” & “because of”.2