英语公开课教案.doc

Revision of the Adverbial Clauses Of TimeKey points in teaching（1）Talk about and review the adverbial clauses, this class the important is the Adverbial clause of time.（2）Enable the students to sum up the main conjunction of the time adverbial clauses.（3 Make a distinction between while when as.Teaching difficult:（1）Temporal in Adverbial clause of time.（2）How to use the main conjunctions of the adverbial clause.Teaching preparation:The multimedia and the blackboard.Teaching process:Step 1 GreetingsGreet the whole class as usual.Step 2 Lead-inT：hello! Everyone! Before class, I have some questions to ask you. what is the attributive clause? what is conjunction is? what is the antecedent? How many conjunctions in the adverbial clause of time?Ask some students to answer the questions.Step 3 review the adverbial clauses.1.T: Before we studied some adverbial clause, ask some students to tell the class.The teacher sum up the knowledge.状语从句 （Adverbial Clause） 状语从句指句子用作状语时，起副词作用的句子。它可以修饰谓语、非谓语动词、定语、状语或整个句子。根据其作用可分为时间、地点、原因、条件、目的、结果、让步、方式和比较等从句。状语从句一般由连词(从属连词)引导，也可以由词组引起。从句位于句首或句中时通常用逗号与主句隔开，位于句尾时可以不用逗号隔开。2. Teacher explain the difficult and the important to class:a. 准确掌握每一个连词的含义.b. 注意主句和从句的时态呼应.Step 4 review the adverbial clause of timea. First, let students do some questions and sum up the conjunctions.1. It was already eight oclock _we got there.2. _ he was speaking, everybody listened carefully. 3. He had learned Chinese _ he came to China. 4. _ the work was done, we sat down to sum up experience. 5.I havent seen him _ he moved to the other town.6. I waited _ he came back. 7. I was about to go out _ a visitor came. 8. She sings _ she goes along.9. The thieves ran away _ they caught sight of the police. 10. It was not _ he took off his eyeglasses that I recognized him.b. Underline the conjunctions of the sentences:1. I felt nervous the first time I talked to others. 2. I recognized you the moment I saw you at the airport. 3. By the time I was sixteen, my dream had come true.4. Hardly had he reached the school gate when the bell rang. 5. No sooner had I arrived home than it began to rain.This period give students some minutes to think about them. And then sum up the conjunctions:when, while, as, before, after, whenever, since,until / till, notuntil, as soon as, the moment, the minute, the second,the instant, instantly, directly, hardlywhen, no soonerthan every time, each time, every year, each year, the first /second/last time, the day, any time,by the timeStep 5 Make a distinction between while when as.This period let students do some question about while when as. Let students understand the meaning of the conjunctions between of the when while as.a. when的用法1._(当电影结束时), the people went back. _ (当我住在那里的时候), I used to go to the seashore. 总结：when引导的时间状语从句，其谓语动词可以是延续的，也可以是瞬间的。2. We were having a class_(突然有人闯了进来). We were about to set off _(这时开始下雨了) 总结： when可用于主句和从句动作同时发生或从句动作先于主句动作。3. when也常用于下列句式： be doing be about to do sth. be on the point of doing sth.b. while 用法： 1.一般或现在情况2.将来情况动词用一般现在时或现在进行时3.过去情况c. as的用法：as可用作连词，引导比较、时间、原因及方式等四种状语从句，应注意的是，引导的比较状语从句往往有省略；引导的时间状语从句一般用一般现在时而不用一般将来时；引导原因状语从句时与“Because”和“since”引导的从句比较起起来语气最弱。Step 6 Let students do some questions about when while as. Let them sum up the different between them. _ I was walking down the street, I noticed a police car in front of the store. _ John arrived, I was cooking lunch. _ he grew older, he lost interest in everything except gardening. We were swimming in the lake _ suddenly the storm started. I was wandering through the street_ I caught sight of a tailors shop. _ the grandparents love the children, they are strict with them.Step 7 let stu