Unit 2 My Favourite School Subject lesson 16课文讲解和练习（.doc

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1、Unit 2 My Favourite School Subjectlesson 16 unit review语法专项讲解语法专项讲解语法专讲现在完成时：1.现在完成时的基本概念和用法：现在完成时由 have（has）动词的过去分词构成。规则动词的过去分词的构成与动词过去式相同，不规则动词的过去分词各不相同，需个别记忆。（1）现在完成时表示过去所发生的动作对现在的影响或产生的结果，常与 just（刚刚），already（已经），ever（曾经），never（从来），yet（尚，还）等表示时间的副词搭配使用。Have you ever seen the film?你看过这部电影吗？She has

2、 already bought a lot of things.她已经买了许多东西。（2）表示一个从过去某个时间开始，延续到现在并可能持续下去的动作，常与表示段时间的时间状语连用，这样的时间常用 since 或 for 来构成。since 后面加时间点或从句（从句的时态常用一般过去时）for 后加时间段：He has worked here for 15 years.他在这里工作了 15 年了。I have studied English since I came here.自从我来这里，一直在学英语。肯定式，否定式，疑问式如下：I（We,You,They）have read it.He（Sh

3、e）has read it.I（We,You,They）have not read it.He（She）has not read it.Have I（we,you,they）read it?Has he（she）read it?（3）某些非延续性动词即动作开始便终止的动词，在现在完成时中不能与表示一段时间的状语搭配。例如下面这些动词属于非延续性动词，并非不能用于现在完成时，而是不能接由for或since引导的时间状语。die,arrive,join,leave,go,finish,buy,come lend,borrow,marry,例如：He has come here for two ho

4、urs.（）他来了两个小时了。He has been here for two hours.（4）have（has）gone to 表示去了某地但还没有回来。have（has）been to 表示去过某地并且已经回来。He has gone to Shanghai.他到上海去了。He has been to Shanghai.他去过上海。2.现在完成时与一般过去时的区别：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，强调的是现在的情况，所以它不能和表示过去的时间状语连用。而一般过去时只单纯表示过去的动作或状态，和目前情况无关，它可以和表示过去的时间状语，如 yesterday,las

5、t year,just now 等连用。试比较：It snowed heavily yesterday.昨天雪下得很大。It has snowed for three days.已经下了三天雪了。现在完成时专项练习针对练习基础过关课堂巩固，基础闯关一、单项选择。()1、Both his parents look sad.Maybe they _whats happened to him.A.knewB.have knownC.must knowD.will know()2、He has _ been to Shanghai,has he?A.alreadyB.neverC.everD.stil

6、l()3、Have you met Mr.Li _？A.just B.agoC.before D.a moment ago()4、The famous writer _ one new book in the past two year.A.is writingB.was writingC.wroteD.has written()5、Our country _ a lot so far.Yes.I hope it will be even _.A.has changed;wellB.changed;goodC.has changed;better D.changed;better()6、Zha

7、o Lan _already _in this school for two years.A.was;studyingB.will;studyC.has;studiedD.are;studying()7.We_Xiao Li since she was a little girl.A.knowB.had knownC.have knownD.knew()8、Harry Potter is a very nice film.I_ it twice.A.will see B.have seen C.sawD.see()9.These farmers have been to theUnited S

8、tates.Really?When _ there?A.will they goB.did they goC.do they goD.have they gone()10._ you _ your homework yet?Yes.I _ it a moment ago.A.Did;do;finished B.Have;done;finishedC.Have;done;have finishedD.will;do;finish拓展提高 课后拓展，提升能力.（中考高频题）单项选择()1.(2005 年 重 庆)Nowadays science fiction isnt as _ as carto

9、ons amongteenagers.A.popularB.more popularC.less popularD.the most popular()2.（2006 年福州）We are glad to see that Shanghai is developing _ these yearsthan ever before.A.quicklyB.less quicklyC.more quicklyD.the most quicklyII.（创新题）句型转换填空。1、He has never surfed,_ _?（改成反意疑问句）2、They have been here since 20

10、00.(对划线部分提问)_ _have they been here?3、The old man _ last year.He _ _for a year.(die)（动词填空）4、This factory opened twenty years ago.(同义句转换)This factory _ _ _ for twenty years.5、Miss Gao left an hour ago.(同义句转换)Miss Gao _ _ _ _ an hour ago.6、Her mother has been a Party member for three years.（同义句）Her mot

11、her_the Party three years _.7、The Green Family moved to France two years ago.(同义句转换)_ two years _ the Green family moved to France.8、The bus has arrived here.It arrived ten minutes ago.(把两个句子合并成一个句子)_III.（兴趣题）选词填空。请从方框内选择适当的词语完成这封信。Writing,talking,sitting,playing,swimming,flying,sunny,studying,drawi

12、ng,havingDear Bob,My name is Rich.Im fourteen years old.Im(1)_ in a middle school.My school isnice and clean.There are 30 students in my class.Its(2)_ today.My classmates and Iare(3)_ a good time on the beach.Its a nice place.The water is blue and clear.Manybirds are(4)_ over the sea.Many people are

13、(5)_.Some boys are(6)_ football.Some people are(7)_ on the beach.A girl is(8)_ pictures on a chair.Another girl is(9)_ photos.Im(10)_to you!What are you doing?I hope you can write to me soon.Best wishes!Rich1_ 2_ 3_ 4_ 5_6_ 7_ 8_ 9_ 10_IV.（综合题）We are all busy talking about and using the Internet,but

14、 how many of us know the history ofthe Internet?Many people are surprised when they find that the Internet was set up in the 1960s.At thattime,computers were large and expensive.Computer networks(网络)didnt work well.If onecomputer in the networks broke down,then the whole network stopped.So a new net

15、work system(系统)had to be set up.It should be good enough to be used by many different computers.If partof the network was not working,information(信息)could be sent through another part.In this waycomputer network system would keep on working all the time.At first,the Internet was only used by the gov

16、erment(政 府),but,in the early 1970s,university(大学),hospitals and banks were allowed()to use it too.Howerver,computers were stillexpensive and the Internet was difficult to become cheaper and easier to use.Scientists had alsodeveloped software(软件)that made Surfing(浏览）the Internet more convenient(方便).T

17、oday it is easy to get-on-line and it is said that millions of people use the internet every day.Sending e-mail is more and more popular among students.The Internet has now become one of the most important parts of peoples life.（）1.The Internet has a history of _ years.A.about 40 B.less than 30 C.mo

18、re than 45 D.nearly 35（）2.Scientists set up a new network system to _.A.make the computer cheaper.B.use the computer widelyC.make the computer go well D.develop new softwares（）3.The Internet was widely used in the _.A.1960s B.1970s C.1980s D.1990s（）4.The underlined words get-on-line in Chinese means

19、 _A.上机 B.上网 C.接线 D.买电脑（）5.Which of the following is NOT ture?A.In the 1960s computer networks system went wrong easily.B.Computers are much cheaper than before.C.Today the Internet is used everywhere.D.People had enough softwares to get on-line fifteen years ago激活潜能 围绕主题，实战应用V.（开放题）汉译英。1、他昨天收到一封信。He

20、 _ a letter _.2、我父亲以前到过长城。My father _ _ to the Great Wall.3、她还没有看过那部新电影。She _ _ this new movie yet.4、她去过上海吗。_ She _ to ShangHai?5、他这些天上哪儿去了？Where _ he _ in these days?VI.探究题 单项选择()1.Miss Green isnt in the office.she_ to the library.A.has gone B.wentC.will go D.has been()2.My parents_ Shandong for te

21、n years.A.have been inB.have been toC.have gone toD.have been()3.The students have cleaned the classroom,_?A.so theyB.dont theyC.have theyD.havent they()4._has Mr.White been a member of Greener China since he _ to China?A.How soon,comesB.How often,gotC.How long,cameD.How far,arrived()5.His uncle _ f

22、or more than 9 years.A.has come hereB.has started to workC.has lived there D.has left the universityLesson 16 答案答案基础过关一、1-6 BBCDC7-10 CCBBB拓展提高I.1-2 ACII.1.has he?2.How long 3.died,has been dead4.has been open 5.has been away6.joined；ago 7.It is,since8.The bus has been here for ten minutes.III.1.sitting 2.sunny 3.having 4.flying5.talking 6.playing 7.swimming 8.drawing9.studying 10.writingIV.1-5 CBDBD激活潜能V.1.received yesterday 2.has been 3.hasnt seen4.Has been 5.has beenVI.探究题1-5 AADCC