高中教学案课题：Unit1 Living well 版本：人教版 第 7 册 第 1 单元第 4 课时 2012 年 6 月 13 日 星期 四 备课人：教学目标 1、知识与技能a 知识目标：Knowledge goals:1.Students are able to learn what the infinitive is.2.Students can grasp the various forms of the different tense and the voice of the infinitive. b 能力目标: 1.Enable the students to understand the infinitive rightly and use the infinitive rightly to make sentences or to express their own opinion in real scenes.2.Students can tell the different syntax-function of the infinitive. Develop students interest in Grammar Learning by autonomous learning and cooperative learning2、过程与方法Read the text step by step to comprehend it.3、情感态度与价值观：1.Students can learn to cooperate with others and finish task by themselves or in group.2.Students can also compete with others and form good learning habits.重点： Know how the infinitive is used in different situations and use the infinitive to make sentences in real scenes .难点： Help students understand, be familiar with and master the usage of the infinitive , and also help students understand the cultural significance of living well better. 教法：1Scene teaching method 2.Cooperative learning method 3. Task-based learning method教具：多媒体课型：语法新授课 学 案教师活动（含学法指导）学生活动设计意图Step 1 Revision A 级Fill in these blanks according to the text and pay attention toThe use of the infinitive .1.The doctors dont know _ _ _ me better but I am very outgoing and have learned_ _ _ my disability. how to make me well to adapt to2.Even after all the tests, no one could give my disease a name, so it is difficult _ _ what the future will be like.to know3. Sometimes, I am _ weak _ _ to school. too to go4.My ambition is _ _ in the computer industry when I grow up. to work5. I have a lot of study _ _as well, especially after I have been sick for a while. to do6. I have a very busy life with no time _ _ _feeling sorry for myself. to sit around7. If I had the chance _ _ one thing to healthy kids, it would be this:to say8. Just accept them for who they are and give themencouragement _ _ as rich and full a life as you do.to live Step 2. 新课探究 Read the following sentences from the text Marty,s story and discuss in groups how each of the infinitive is being used in the situations, then try to write down the grammatical rules and find rules and fill in table.Task 1_观察例句To master a foreign language is necessary.Its necessary to master a foreign language.Its difficult for you to finish it on time. Its kind of you to help me. Its a great regret to have made such a mistake.How long did it take you to finish the work?It seemed impossible to save money 不定式做主语：1不定式做主语一般表示具体的某次动作，看做单数。 2.当主语较长，谓语较短时，常用_it做形式_主语。做形式主语，不定式放在谓语动词之后。常见句型形容词(easy, important, difficult, foolish, inconvenient, unnecessary, right, wrong.)( for/of sb.)to do b) It is名词(a pleasure, a pity, ones duty, an honor, a shame, no easy job.)to do c) It takes (sb.) some time (hours, months, days, a lot of time, patience.) to do Practice选择与其它4个不一样用法polite, stupid, important, kindhard, easy, clever , necessarywise, foolish, impossible, niceuseless,difficult, careless,possibleTask 2不定式做表语A.预定要发生的动作或将来的可能性 He is to return from Paris tomorrow.B.说明主语的内容(aim,duty,hope,idea,mistake,plan,purpose,suggestion) Her wish is to be a famous doctor.C.用于正式的指示或命令 eg. Two tablets are to be taken twice a day.Practice My chief purpose is _ (point out) the mistakes. What I would suggest is _ (put off) the meeting.Task 3 不定式做定语He is the first student to get up. 主 谓 I have something to say. 动 宾 n+to+及物动词He is looking for a room to live in.动 宾 n+ to +不及物+介词Practice：There are five pairs of shoes _,but Im at a loss which to buy. A. to be chosen B. to choose from C. to choose D. for choosingAlthough the lecture had already been on for five minutes, I still was not able to find a chair_.A. to sit B. to sit on C. for to sit on D. for sittingTask 4动词不定式作宾语 I hope to see you again （主+谓+to do) I think it useful to learn English well. (主+vt +it +adj/n +to do)用it做形式宾语的动词believe,guess, feel,find,discover,notice,make,considerPractice翻译I dont think it necessary to argue with them on this problem.I think it interesting to play football.Yesterday afternoon Mrs Green told the boys_ football in the classroom. A. didnt play B. to not play C. not play D. not to playMy grandfather wants around the world because he enjoys new place.A. traveling; seeing B. to travel: to seeC. to travel; seeing D. traveling; to seeI dont think _possible t