八年级现在完成时课件教学

1、寿县茶庵初级中学 唐方好人教版八年级（下）现在完成时（The Present Perfect Tense）已学习过的时态名称时间动词形式 一般现在时平时，经常1.v. 2.v+s/es（三单） 过去（与现在无关）一般过去时即将，计划一般将来时1.v-ed（规则动词）2.不规则动词现在进行时过去进行时was / were+v-ing过去某一时间，在进行am / is/ are+v-ing正在进行(此时此刻）1.will / shall+v.2.am / is / are going to +v现在完成时？判断下列句子的时态1.She works in a factory. 2.I was doi

2、ng my homework at this time yesterday.3.We are going to have a picnic this Sunday.4.They held a sports meeting last week.5.Are you helping your mother now？6.I have been here for an hour. 一般将来时一般过去时现在完成时现在进行时一般现在时 过去进行时现在完成时现在完成时的构成现在完成时的用法现在完成时的时间状语have been 与have gone 比较现在完成时与一般过去时 现在完成时的构成have /ha

3、s+v 过去分词(v.pp)肯定句主语(I We You,第三人称复数)+have+过去分词主语(第三人称单数)+has+动词的过去分词否定句注 意：Ive=I have ; hes=he has; shes=she has 主语+have/has+not+过去分词一般疑问句Have/Has +主语+过去分词 1.翻译这两句话；2.第一句变成否定句；3.第二句变成一般疑问句并回答。I have finished my homework.haventHe has finished his homework.Has heYes,he has.No ,he hasnt.现在完成时的用法1.表示过去发

4、生的动作对现在造成的影响或结果。常与already/never/ever/just/before/yet等状语连用。I have just had my breakfast.(现在我不饿)2.表示过去已经开始，持续到现在的动作或状态，常与since或for引起的一段时间状语连用。I have lived here for five years.I have lived here since 2013/five years ago.过去分词（v.pp)的构成 Typeoriginal p.t p.p AAAABB ABCletputletletputputmeetcatchmetmetdo/do

5、escaughtcaughtdiddonespeakspokespokengoseesawseeneatateeatengonewent现在完成时的时间状语常与不确定的时间状语连用，如:already, never, ever, just, yet, before, up to now, so far, for the last few weeks等还可以和包括现在在内(到说话时仍未结束)的,表示一段时间的状语连用，如:these days, since, for (a long time)等.现在完成时和一般过去时用法比较1、现在完成时表示过去发生的某一动作对现在造成的影响或结果，强调现在的

6、情况，不能和过去的时间状语连用。例如：Yesterday /last night/in 1999I have seen the film .我看过这部电影。(我了解这部电影的内容) 2、一般过去时只表示过去的动作或状态，和现在不发生关系，它和过去的时间状语连用。I saw the film last week. 我上星期看了这部电影。(只说明上星期看了这部电影，不一定了解内容)现在完成时与一般过去时的用法比较一般过去时表示过去某个时间发生的事、存在的状态或经常发生的动作,说话的侧重点在于陈述一件过去的事情,与现在没有关系；现在完成时表示与现在有关系的发生在过去的动作,它不与表示过去的时间状语（

7、如yesterday , last week , a moment ago等）连用. 一般过去时 表示过去某个时间发生的事、存在的状态或经常发生的动作,说话的侧重点在于陈述一件过去的事情,与现在没有关系； 现在完成时 表示与现在有关系的发生在过去的动作,它不与表示过去的 时间状语（如yesterday , last week , a moment ago等）连用. 用动 词 的适当形式填 空 1. -_ you _(clean) the room? - Yes, we _(do) that already. - When _ you _(do) it? - We _(do) it an hou

8、r ago.2.-_ he _(see) this film yet? - Yes. - When _ he _(see) it? -He _ it last week. 3. How many times _you_(be) there? Havecleanedhave donediddodidHasseendidseesawhavebeen4. I _ (read) the book twice. Its interesting.5. -She _(go) to Pairs, hasnt she? - Yes. - How _ she _(go) there? -She _(go) the

9、re by air.6. So far, many countries _(develop) very fast .7.Mr Chen _(give)up smoking last year.8.Mr chen _(give) up smoking since last year.have readhas gonedidgowenthave developedgavehas givenhave(has)been to和 have(has)gone to 的区别have(has)been (to):表示曾经到过某地，人现在不在某地。have(has)gone (to)：表示已经去某地了，人现在在

10、去某地的路上或已经在某地了。翻译：Where has he been?Where has he gone?他去过哪儿？（他已经回来了）他去哪儿了？（他不在这里）请理解：She has been to Shanghai.She has gone to Shanghai.用have been to/ have gone to填空1.Mum is not at home now.-she _ the shop.2._ you ever _ to Kunming ? -Never.3.Where _ you _ these days?4.Has Jim arrived yet? Yes, he _ h

11、ere for several days.5.Where is Peter? -I dont know where he _.6.Hi, Jim! Where _ you _ ? -Li Lei is looking for you.has gone to Have beenhave beenhas been has gonehave beenA good book you have readA wonderful place you have visitedA beautiful song you have heardAn exciting movie you have watchedThings you have done wellYour favorite thing (a toy,book)from childhoodLets TalkQuestions to help:.How long have you had it? .How did you get it ?.Wh