现在完成时教案.pdf
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1、现在完成时教案 12562教案年级:九科目:英语课题:现在完成时教学目的:教学重点:教学难点:教学过程一 Warming up and lead inWarming up and lead in二 PresentationPresentationRecite words and its past and past participle(背诵单词及其过去分词):be,come,become,buy,can,do,eat,feel,go,give,hear,know,let,see,write(二)Definition 1。已完成用法,也叫影响性用法。该用法的现在完成时表示一个过去发生的动作在过去
2、已经完成,但对现在产生影响。2.未完成用法,也叫持续性用法.该用法的现在完成时表示一个过去发生的动作或开始的状语在过去并未完成或结束,而是一直持续到现在,并且有可能继续下去(也可能到此结束)。(三)(三)StructureStructureHave/has+过去分词回顾句子结构:(定)主(状)谓(定)宾(补)E。g,He has seen the film several times。这部电影他已经看了好几次了.(已完成)E。g。I have known her for a ling time。我认识她很长时间了.(未完成)1/12现在完成时教案 12562否定句:否定句:主语+have/ha
3、s+not+过去分词+其他一般疑问句:一般疑问句:have/has+not+主语+过去分词+其他(四)(四)常用时间状语:常用时间状语:“since+时间”,“for+时间段”及 how long,since,ever,never,already,yet,twice,so far,up to now,over the years,in the last/past few years。1.Since 表示“自从。.。.。以来”时,无论是用作介词、连词还是副词,since通常要与现在完成时连用。如:Ive had nothing to eat since lunchtime。从中午到现在我什么都没
4、吃.It has been a long time since the TFboys founded。TFboys 成立很久了.It has ten years since he left here。他离开这儿已 10 年了。2.In the last few years/in the past few years,“在过去的几年”表示从现在算起的过去一段时间内,通常要与现在完成时连用.如:The house has changed hands three times in the last two years。在过去的两年中,这栋房子已转手三次。Ive seen little of her
5、in the past few weeks.近几周我很少见到她。3.Over the years“这些年来”“经过这么多年之后“最近几年”,通常表示从现在算起的过去几年。Shes brought us so much happiness over the years。这些年来,她给我们带来了不少的幸福.4.So far/Up to now“到目前为止 So far/Up to now 500 people have died in the earthquake.到现在为止,已有 500 人在地震中丧生。5.Its the first time that.“这是第一次做某事,that 从句后跟现
6、在完成时。如:Its the second time Ive come here.这是我第二次来这。(for sb。)to do sth.2/12现在完成时教案 12562 Its time用动词的过去式(be 用 were)(that)用 should+动词原形(should 不省略)Its time to do cleaning。Its time we should do cleaning.Its time we did cleaning。注意:1。现在完成时不能单独与过去的时间状语连用,如 yesterday,last week,three years ago 等;2.不能与 when
7、连用;3.现在完成时往往同表示不确定的过去时间状语连用。(五)has gone to,has been to,has been in 的区别Have/has gone to:去了(现在不在现场)Where is your father?He has gone to Shanghai.Have/has been to:去过(在现场)My father has been in Shanghai.Have been in:待了多久(还在所待的地方)My father has been in Shanghai for two months./since two months ago.注意:与表示次数的
8、 once,twice,three times 等连用是,只能用 Have been to。She has been to Europe twice。他到欧洲去过两次。另外,have been to 除了可接地点表示去过某地外,有时可以接活动,表示去参加过某种活动,或接动词原形(尤其是动词 see),表示去做某事。如:Shes just been to a party.她刚参加了晚会回来。He has never been to see me since I have been ill。我生病以来他从未来看过我.(六)现在完成时的肯定句中瞬间动词(buy,die,join,come,golea
9、ve,join。)不能直接与for+时间段,since+时间点连用。要将其改为延续性动词.3/12现在完成时教案 12562口诀:开始离去,借来还,出生入死,买到家。+开关结束Begin,leave,go,borrow,come,return,leave,join,die,buy,arrive.Begin-be on go out-be out borrowkeepcome/arrive/reach/join-be in Return-come back toleave-be away die-be dead Buy-haveOpenbe open close-be closed finish
10、-be over1.Have 代替 buyMy brother has had(不能用 has bought)this bike for almost four years.2.Keep/have 代替 borrow I have kept(不能用 have borrowed)the book for quite a few day。3.用 be 代替 become How long has your sister been a teacher?4.用 have a cold 代替 catch a cold Tom has had a cold since the day before yes
11、terday.教学练习一、判断以下句子的时态.1.He is a worker.2.I played basketball yesterday.3.Ive washed the car。4.My father goes to work by car every day.5.Xiao Ling always studies hard.6.You and I will work in the same factory。4/12现在完成时教案 125627.Jia Min sometimes plays computer games。8.She is reading an English book.
12、9.My mother is going to Shanghai tomorrow.10.Shall I get your coat for you?11.You should take the medicine three times a day。12.I am never late for school.13.What was she doing at nine oclock yesterday?14.Rose usually goes shopping with her mother.二、单项选择。1、Both his parents look sad.Maybe they _whats
13、 happened to him.。knew.have known。must know.will know2、He has _ been to Shanghai,has he?.already。never.ever.still3、Have you met Mr.Li _?。just.ago。before。a moment ago4、The famous writer _ one new book in the past two year.is writing.was writing。wrote.haswritten5、Our country _ a lot so far。Yes.I hope
14、it will be even_。has changed;well。changed;good.has changed;better。changed;better6、Zhao Lan _already _in this school for two years.。was;studying。will;study。has;studied。are;studying5/12现在完成时教案 125627、We _ Xiao Li since she was a little girl.。know.had known。have known。knew8、Harry Potter is a very nice
15、film.I_ it twice.。will see.have seen。saw.see9、-These farmers have been to the United StatesReally?When _there?.will they go.did they go。do they go.have theygone10、_ you _ your homework yet?Yes.I _ it a momentago。Did;do;finished.Have;done;finished.Have;done;have finished.will;do;finish11.His father _
16、 the Party since 1978.。joined。has joined。was in D。hasbeen in10、Do you know him well?-Sure。We _ friends sinceten years ago.。were。have been.have become。have made11、How long have you _ here?About two months.。been.gone。come.Arrived12、Hurry up!The play _ for ten minutes.has begun.had begun。has been on。Be
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