高中英语选择性必修二 Unit4JOURNEYACROSSAVASTLANDSectionBLearningAboutLanguage课件

1、 Section BLearning About Language.知识体系图解重点词汇1.enrol (enroll)vi.& vt. 2.quarry n.(使)加入;注册;登记采石场重点短语 1.make a profit2.transform from3.enrol in4.later on5.追溯到6.在前面7. 谋生8.比平常;比以往盈利转换自加入;注册过后;后来date back toahead ofmake a livingthan usual重点句式 They must have spent a pleasant evening together.重点语法 过去分词(短语)作

2、表语和状语 .单句语法填空1.Do you know when does the ancient tower date?2.Fast mask-changing is unique Sichuan Opera performance.3.The ship rounded the Cape of Good Hope and sailed the Atlantic.4.They were not satisfied the service of the restaurant.5.I want to know what the trip to Canada meant you.fromtointow

3、ithto重点词汇重点句式重点语法随堂练习1.Judy enrolled in a programme of study that was eight months in duration,but she completed it in only six months.朱迪参加了一个为期八个月的研究项目,但她只用了六个月就完成了。【词汇精讲】enrol vi.& vt.(使)加入;注册;登记You may want to enrol your child in a nearby school.你可能想让你的孩子在附近的学校上学。You can come and enrol your child

4、ren in the school.你可以送你的孩子来学校登记。I enrolled for/in/on the modern art course.我参加了现代艺术课程。重点词汇重点句式重点语法随堂练习重点词汇重点句式重点语法随堂练习2.A growing number of woodworkers have decided to move to the urban areas for better jobs.越来越多的木工决定搬到城市去找更好的工作。【词汇精讲】a number of “许多”,后接可数名词的复数形式。He has a number of interests,ranging

5、 from playing chess to swimming.他的爱好很多,下棋、游泳都有涉猎。I bought a number of journals concerned with my subject.我买了很多与我专业有关的杂志。重点词汇重点句式重点语法随堂练习【词汇拓展】“a number of+复数名词”作主语,谓语动词用复数形式;“the number of+复数名词”作主语,谓语动词用单数形式。The number of people invited was fifty,but a number of them were absent for different reason

6、s.有五十人受邀,但他们中有许多人由于各种原因没有来。重点词汇重点句式重点语法随堂练习重点词汇重点句式重点语法随堂练习They must have spent a pleasant evening together.他们在一起一定度过了一个愉快的夜晚。【句式剖析】句中的must have been是must have done结构,表示对过去事情的肯定推测,译成“过去一定做过某事”,该结构只用于肯定句。You must have read widely and put a lot of work into it.你过去一定进行了广泛阅读并投入了大量的工作。【句式拓展】(1)表示对过去发生的事情

7、否定或疑问的推测要用can或could。Mr Smith cant have gone to Beijing,for I saw him in the library just now.史密斯先生不可能去北京了,我刚才还在图书馆见过他。There is nowhere to find them.Where can they have gone?到处找不到他们,他们可能到什么地方去呢?重点词汇重点句式重点语法随堂练习(2)may/might have done也可表示对发生过的事情的推测,意思是“可能已经”或“也许已经”,用于肯定句中。might与may意思相同,但可能性更小。What has

8、happened to George?乔治发生了什么事?I dont know.He may have got lost.我不知道,他可能迷路了。He might have given you more help,even though he was busy.他或许会多给你一些帮助,即使他很忙。重点词汇重点句式重点语法随堂练习重点词汇重点句式重点语法随堂练习过去分词(短语)作状语和表语一、过去分词(短语)作状语1.过去分词(短语)作状语时的意义过去分词(短语)作状语,说明谓语动词的动作和状态,其逻辑宾语是句子的主语,也就是说过去分词与句子的主语之间是被动关系。Written in a hur

9、ry,the report has a number of spelling mistakes.(write的逻辑宾语是the report)因为写得匆忙,这个报告有许多拼写错误。Built more than 500 years ago,the wooden tower is in danger of falling down.(build的逻辑宾语是the tower)这座木塔建于500多年前,现在正濒临倒塌。重点词汇重点句式重点语法随堂练习2.过去分词(短语)作状语时的作用由于过去分词(短语)具有副词的某些特征,因此在句中可以作原因、时间、条件、让步、伴随或结果等状语。(1)时间状语As

10、ked why he was absent from class,the little boy lied that he was ill.当问到他为什么没有上课时,那个小男孩撒谎说他病了。Questioned by the police,Mr Brown was at a loss what to do.警察询问布朗先生时,他不知所措。(2)条件状语Given enough water,the newly-planted trees would not have died.如果浇足水,这些新栽的树就不会死了。Compared with his brother,Tom seems more di

11、ligent.与他弟弟相比,汤姆好像更勤奋。重点词汇重点句式重点语法随堂练习(3)原因状语Frightened by the terrible noise,Mary didnt dare to go out alone at night.受到可怕声音的惊吓,玛丽晚上不敢独自外出。Encouraged by the progress he has made,he works harder.由于受到所取得成绩的鼓舞,他工作更努力了。(4)让步状语Defeated by Class Three in basketball,they didnt lose heart.虽然他们在篮球比赛中被三班打败,但

12、他们没有灰心。Published many times,his book still sells well in the market.尽管发行过多次,这本书在市场上仍然畅销。重点词汇重点句式重点语法随堂练习(5)伴随或结果状语The professor entered the lecture hall,followed by a group of students.教授进了讲演厅,后面跟着一群学生。He finally arrived,tired out from such a long walk.他终于到达了,走那么长的路累得他不得了。重点词汇重点句式重点语法随堂练习3.过去分词(短语)作

13、状语时的转换(1)过去分词(短语)作原因、时间、条件、让步、方式等状语时可以改成其相应的状语从句。United we will stand;divided we will fall.If we are united we will stand;if we are divided we will fall.团结就是胜利;分裂必然失败。Lost in deep thought,he didnt notice me standing by.As he was lost in deep thought,he didnt notice me standing by.因为沉溺于思考中,所以他没有注意到我站

14、在旁边。Faced with difficulties,we must try to overcome them.When we are faced with difficulties,we must try to overcome them.在遇到困难时,我们必须设法克服。重点词汇重点句式重点语法随堂练习(2)过去分词(短语)作伴随状语或结果状语时可转换为并列结构。The patient got off the bed,supported by the nurse.The patient got off the bed and was supported by the nurse.病人在护士

15、的搀扶下下了床。The girl met with an accident,wounded in the head.The girl met with an accident and was wounded in the head.那个女孩出了事故,头部受了伤。重点词汇重点句式重点语法随堂练习4.过去分词(短语)和动词-ing形式作状语的区别过去分词(短语)作状语时与其逻辑主语之间是被动关系,往往含有完成的含义,而动词-ing形式作状语则表示主动关系。Seen from the top of the building,the city looks more beautiful.从大楼顶上看,城

16、市更美丽。Seeing the city from the top of the building,I find the city more beautiful.从大楼顶上看,我发现城市更美丽。重点词汇重点句式重点语法随堂练习二、过去分词(短语)作表语1.用法过去分词(短语)作表语表示主语所处状态或主观心理感受,相当于形容词的作用。The ground is covered with snow.地上覆盖着雪。Mr Brown and Mary are married.布朗先生和玛丽结婚了。Tom was disappointed to hear his suggestions had been

17、 turned down.汤姆听到他的建议被拒绝了很失望。The window of my room is broken.我房间的窗户是坏的。重点词汇重点句式重点语法随堂练习注意: 表示感觉的一些过去分词 (surprised,disappointed,excited,pleased等)及其他一些过去分词(dressed,drunk,devoted,lost,known,married,bent,recovered,separated等)常可用作表语,表示状态。其中有些只表状态,毫无被动意义。重点词汇重点句式重点语法随堂练习2.过去分词(短语)作表语与被动语态的区别(1)被动语态强调动作,主语

18、是动作承受者;过去分词(短语)作表语说明主语的状态或特征。The novel was written ten years ago.这本小说是10年前写的。The novel is well written.这本小说写得很好。(2)被动语态后常接by短语,表示动作的执行者;而过去分词作表语后不接by短语,但可以接其他的介词,表示特征。The village is surrounded with hills on four sides.那个村庄四面环山。He was frightened because he was surrounded by a lot of dogs.他很害怕,因为他被一群狗

19、围着。重点词汇重点句式重点语法随堂练习3.过去分词(短语)作表语和动词-ing形式作表语的区别过去分词(短语)作表语时与其逻辑主语之间是被动关系,而动词-ing形式作表语则表示主动关系。They were amazed to see such a big park.看到那么大的公园他们很吃惊。The park with such beautiful scenery is really amazing.有这么多美景的公园的确令人吃惊。重点词汇重点句式重点语法随堂练习.选词填空1.disappointed/disappointingMr Li seemed very to hear he hadnt passed the driving test.答案:disappointed2.frightened/frighteningThe noise out of