1、Unit One Friends Period One Grammar B授课时间： 总第_ 课时【Teaching Aims】现在完成时比较难，在教授语法项目时，第一，语言结构尽量用图表的形式表达，使语法结构一目了然。第二，坚持在尽量真实的语境中呈现和练习语法项目。第三，从分步呈现、分步练习到综合运用，层次清晰，循序渐进。【Teaching Focus】1.认识和了解现在完成时的构成和用法。2.了解现在分词的构成。【Difficulties】1.学习现在完成时的时间副词和时间短语。2.能在语境中运用现在完成时。【Teaching Methods】Project-based cooperati
2、ve learning; group work; pair work; task-based language teaching【Tools and Aids】Blackboard; multi-media【Teaching Procedure】Part One: Lead-inThe teacher can have a free talk with the students.e.g. You have known something about Mr. Chen.Could you tell me anything about Mr. Chen? Part Two: Pre-taskRec
3、ently we have already known a little about Sunshine Town. I have never been there before. Have you ever been there? S1: No, I havent been there yet.T: Mr. Chen was born there. He has known it since he was very young. He has known it for a long time. Part Three: While-taskTask 11) Tell the students t
4、hat we can use adverbs of time with the present perfect tense, such as already, ever, for, just, never, since and yet. 2) Some more examples:I have just seen Millie on the playground.Has Millie called yet? No, she hasnt.I have not heard from Millie yet. I have done my homework already.I have never r
5、ead the novel. 3)现在完成时与时间副词(on Page16)for +段时间 for two days/three yearssince +点时间 since last night /1992 since two days ago since +句子 since I came here last weekalready 一般用于肯定的陈述句yet 一般用于否定句和疑问句just 刚（注意与 just now 的区别） 4)ExercisesA.选择填空 (See PPT)Have you done your homework _? (for, just, yet)I have
6、_ _been to Chengdu. (ever, never, yet)He has _ washed the dishes. (already, ever, for)He has worked there _ he left school. (already, just, since)Have you cleaned your room _? (for, just, yet)She has known Sam _ nine years. (for, never, since)Have you _ ridden a horse? (ever, for, yet)They have _ ar
7、rived. (ever, just, yet)We have not completed the project _. (already, for, yet)B. for or since1. We have lived here _ 1990.2. How long have you studied here? _ 5 years.3. The boy has had a bad cold _ last night.4. Mr. Huang has kept the books _ a week ago.5. I have taught in the school _ I came her
8、e.6. We have been friends _ a long time.总结: for +段时间 since +点时间 (过去时间) since +句子(一般过去时态的句子)C.句型转换1. The boy has already gone home. (一般疑问句)2. The girl has already given it to me. （否定句）3.They have ever visited the Hainan Island before .（否定句）1.现在完成时）肯定句变为否定句的基本方法：2.（现在完成时）肯定句变为一般疑问句的基本方法：.注意点：just、alre
9、ady、yet 之间的关系及各自适应的句型Part Three: Post-task 完成句子(1)你曾经到北京旅行过吗？(2) 我已经看过这部电影了。(3) 她刚刚完成作业。 (4) -他们已经去看这部电影了吗? -还没有呢。(5) 我以前从未看过这本书。(6) 自从他结婚以来就一直住在这里Answer:(1)Have you ever traveled to Beijing?(2) I have already seen the film.(3) She has just done her homework. (4) -Have they gone to see the film yet? -Not yet.(5) Ive never read the book。(6) He has lived here since he got married.【Personal Designing】 1.2.【Homework】1.按要求整理动词过去式和动词过去分词 on page 121(eatlose)。2. .完成练习册上练习。【Blackboard】1.by the way 2. in fact 3. Its the best model I have ever seen.【Teaching Introspection】
