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1、 现在完成时态（复习课教案）现在完成时态（复习课教案） 执教者：邬金霞 教学目的：教学目的：主要复习现在完成时，这一时态是初中阶段的一个很重要的语法点，而学生又总不能很 清晰的掌握它，故想通过本课的复习，让学生能熟练掌握并正确运用这一时态。 教学方法：教学方法：讲解法 教学用具：教学用具：多媒体教学教学过过程：程：Step1.FreeStep1.Free talktalk 1. Have you ever been to Shanghai ? 2 How many times have you ever been there ? 3 How long have you been at this
2、 school? 4 How many English words have you learned so far ?. StepStep 2 2 PresentationPresentation 1 现在完成时的构成 助动词 have (has)+动词的过去分词 2 现在完成时的主要用法 （1） 表示过去发生或已完成的某一动作对现在造成的影响或结果，常与 already just yet never ever before 等连用,也可以和包括现在在内的时间状语,如 these days,this year,so far等连用. eg.- I have just washed my clot
3、hes.（洗衣服是发生在过去的动作，对现在造成的结果是衣服干净了）（2） 表示过去已经开始，持续到现在的动作或状态，可以和表示从过去某一时刻延续到现在（包括 “现在”在内）的一段时间的状语连用。 （for+表示一段时间的词组，since+表示过去某一时刻的词或 词组）谓语只可用延续性动词. eg.- Ive lived here for 15 years. eg.- Ive lived here since 15 years ago(1990)StepStep 3 3 RevisionRevision现在完成时注意三个分清 1.分清 have(has) been to 表示某人曾经去过某地 h
4、ave(has) been in /at 表示某人去了某地并呆在那里一段时间 have (has) gone to 表示某人去了某地人不在这里 2. 分清与一般过去时的用法 现在完成时属于现在时态的范围，不能和表示过去的时间状语连用，如 yesterday,last night,three weeks ago,in1990 等.而一般过去时只表示过去的动作或状态，和现在不发生关系。 3 分清短暂性动词和延续性动词 短暂性动词常见的有 ：buy,borrow,open,close,begin,start,come,go,leave,finish, catch, join 延续性动词常见的有：be
5、,work,study,learn,teach,live,have,keep,talk,walk,wait 短暂变延续最常见的有： buy-have, borrow-keep, leave-be away from, die-dead, open-be open, close-be closed, come-be here, begin/start-be on, put on-wear ,catch a cold- have a coldStepStep 4 4 ExercisesExercises1 1 选用选用 forfor 和和 sincesince 填空填空: :1.We havent
6、 seen each other _ a long time.2.His father has been in the factory _ 10 years ago.3.The film has been on _ 20 minutes.4.Mr Green has worked here _ he came to China.5.His grandparents have been dead _ several years.6. Its five years _ we met last time2 2 动词填空：动词填空： 1._ you _(clean) the room? Yes, we
7、_(do) that already. When _ you _(do) it? We _(do) it an hour ago. 2._ he _(see) this film yet? Yes. When _ he _(see) it? He _ it last week. 3. How many times _you_(come) here? Once. 4. I _ (read) the novel twice. Its interesting. 5. She _(go) to Pairs, hasnt she? Yes How _ she _(go) there? She _(go)
8、 there by air. 6. So far, many countries _(develop) their software programs. 7.Mr Chen _(give)up smoking last year. 8._ you ever _(ride) a horse? Never. 9.He _( keep) the book since two days ago.3 3 中译英：中译英： 1.我买了这块手表五年了。 2.这位老人已经死了十年了。 3.他已经回来三天了。 4.他已经借了这本书两周了。 5.我离开家乡已十年了。StepStep 5 5 HomeworkHomeworkFinish off the test paper
