高中英语选修七_Unit__B.pptx

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1、Discovering useful words and expressionsEx.1Ex.1None None AdjectiveAdjectiveNounNounAdjectiveAdjectiveambitiousclumsinessabsentfirmnesssuitabilitynoisebenefitpsychologyannoyanceencouragingEx.2Ex.21.How do you measure the length of a race round a racetrack?2.How would you feel if someone kept talking

2、 when you were trying to read?3.In what way can a teacher check if you have learned the new words by heart?4.What do you call an item written in a diary or in a dictionary?5.What kind of instrument does a doctor need to examine viruses in blood?6.How do you describe someone who is happy to meet new

3、people?7.What do you call students in the same year group and the same situation as you?8.What do you call the behaviour of one student to others?ambitionabsencesuitablebeneficialannoyed/annoyingclumsyfirmnoisypsychologicalencouragementlapannoyeddictationentrymicroscopeoutgoingfellowconductEx.3Ex.3

4、There was a time when children with mental disabilities were prevented from living a normal life _.They used to _ in their own homes after being educated in special schools.Other people sometimes _ them.But now things are changing.There are training programmes for young people with mental disabiliti

5、es,which have proved very beneficial.Students like Xie Li,mentally disabled from birth,now have a chance to become athletes.But it is a challenge.She has to _ training programmes as well as mixing with other able-bodied athletes.“Xie Lis confidence has grown,”said her father.“She looks much better a

6、nd is not so often _ after her training._ her mother and I are very happy with her progress.”So,instead of _ mainstream activities,mentally disabled students can become part of the mainstream._ they can lead a more fulfilling life.in many wayssit aroundmake fun ofadapt toout of breathAll in allcutti

7、ng outIn other wordsRevising useful structuresEx.2Jo:Oh!Am I late?Im sorry to have kept you waiting.Sue:No,youre fine.Jo:Thank you.The trouble is I cant find my shopping list.Sue:Oh dear!Where on earth could you have put it.Jo:Well,it isnt in my bag.I might have left it on the kitchen table.I seem t

8、o have forgotten so many things now that Christmas is here.Sue:I quite understand.So many presents to buy and so many cards to send!Jo:True.I was supposed to have finished all my shopping by now but Sue:Never mind.Nobody is said to have finished till theres no more left to buy!Jo:Quite right.Oh look

9、,heres my list in my pocket.Sue:Lets get to work then!Ex.3William Wilberforce was a great man.He is known _(spend)eighteen years fighting for slaves._(free)slaves was his ambition.He was a very kind man,who did not like _(see)people going hungry or in pain.He wanted to do some good in the world.The

10、cause which attracted him most was the abolition(废除)of the slave trade.Africans were taken from their homes and sold in markets.A master was able by law_(treat)his servants as he wished even working them to death if he wanted to.Wilberforce was not the only person that was interested in his cause,bu

11、t he was in politics and so able _(help pass)the law which made it illegal.Finally the slave trade was abolished in 1907.Wilberforce then resigned from government in 1825 and died in 1833,just after the law was passed which was eventually _(abolish)slavery in England.to have spentTo freeto seeto tre

12、atto help passto abolishUnit 1Revise the Infinitive GrammarDo you believe I can fly like a bird?How can you believe I can fly like a bird?_is to believe.Its impossible for humans _now.To seeto fly like a bird不定式由“to+动词原形”构成,其否定形式是“not/never to do”,不定式可以带宾语或状语构成不定式短语,没有人称和数的变化,但有时态和语态的变化。不定式可以作主语、宾语、

13、状语、表语和定语，但不能单独作谓语。不定式的逻辑主语有时用“for+名词或代词宾格”构成。不定式不定式动词不定式的作用动词不定式的作用 Functions of Infinitive 1 主语 (subject)2 表语 (predicative)3 宾语 (object)4 宾补 (object complement)5 定语 (attribute)6 状语 (adverbial)7.独立结构(absolute construction)1 不定式作主语 (subject)To keep smiling is healthy for you.Its important to look up

14、the new words in the dictionary when you study English.单个不定式作主语时,谓语动词用单数。若不定式太长,往往用itit作形式主语,不定式后置。My job to protect the world.Your task is to _.is2 不定式作表语 (predicative)Seeing is to believe.To see is believing.Seeing is believing.To see is to believe.不定式常用在系动词 be,seem,appear,get,remain等后作表语。All you

15、have to do is(to)finish the job quickly.如果主语部分有个表示不定式内容的do,用作表语的不定式常省略to。Yao Ming likes to play basketball.I find it still necessary (for him)to _ if he wants to win.3 不定式作宾语 (object)句型：think/consider/find it+adj.+to do 常接动词不定式作宾语的动词有：agree,afford,appear,ask,attempt,care,choose,claim,dare,decide,dem

16、and,deserve,determine,expect,fail,get,hate,hesitate,hope,hurry,intend,learn,manage,offer,plan,prepare,pretend,promise,refuse,seem,tend,threaten,want,wish4 不定式作宾补 (object complement)My mum asks me to play the piano two hours every day.The teacher told me to clean the blackboard.I expect you to give m

17、e some help.引导不定式作宾补的动词：引导不定式作宾补的动词：warn,tell,allow,help,ask,force等+sb to do sth listen to hear watch 五看五看 see look at observe notice三使三使 let make have 二听二听一感一感:feel+sb do sth（不带不带to）注意：注意：1.feel十宾语十宾语to be的不定式时，的不定式时，to不可不可省略。省略。2.have，notice，watch不用于被动语态。不用于被动语态。3.see，hear，make，listen to,notice，ob

18、serve 变为被动态时，后面须要改接变为被动态时，后面须要改接带带to的不定式；但的不定式；但let 变为被动态，而后变为被动态，而后面要接面要接to的不定式时，的不定式时，to可保留也可省可保留也可省略。略。1.They saw the boy fall suddenly from the tree.The boy was seen to fall suddenly from the tree.例如：2.Mother made John wash the car for a week.John was made to wash the car for a week.不定式用在介词不定式用在

19、介词but,except,besides后时后时,如果这些介词前有行为动词如果这些介词前有行为动词do的的各种形式各种形式,那么介词后的不定式不带那么介词后的不定式不带to,相反则带相反则带to。She could do nothing but cry.I have no choice but to go.What do you like to do besides sleep.不定式不带to的常见情况5 不定式作定语 (attribute)Kate is looking for a suitable coat to wear.Tom has a nice pen to write with.

20、1.不定式做定语时常放在被修饰的名词或代词之后(a)She was very busy and had no time to visit her friends.(b)Ladies and gentlemen,I have something important to tell you.不定式作定语不定式作定语与所修饰的词之间有三种关系：I have a lot of work to do.我有很多工作要做。He is always the first to come.他总是第一个来。We all have a chance to go to college.我们都有上大学的机会。(1)动宾关

21、系(2)主谓关系(3)同位关系2.当名词被the first,the last,the only 等词以及形容词最高级修饰时 eg:She is always the first to come and the last to leave.3.something,anything,nothing,everything等复合不定代词常用不定式做后置定语。注意比较：1)Have you anything to send?你有什么东西要寄吗？你有什么东西要寄吗？2)Have you anything to be sent?你有什么要（我或别人）寄的东西吗？你有什么要（我或别人）寄的东西吗？（不定式t

22、o send的动作执行者是you）（不定式to be sent的动作执行者是已被省略的me 或someone else）4.如果不定式是不及物动词,则后面需适 当的介词。Please pass me some paper to write_.on3.也可用在have to do和there be 句型中。There is no one to take care of her.I have no jewelry to wear.I got up early to _.You came here to_.in order to,so as to,enough to,only to,too.toca

23、tch the train 6 不定式作状语 (adverbial)在一些短语中也有体现eg:He spoke loudly(so as/in order)to be heard.1.表示目的:to in order to so as to 6 不定式作状语 (adverbial)2.表示原因:不定式可以用在作表语的形容词后作状语,sorry,surprised,happy,glad,eager,angry,foolish,right,wrong,slow,quick,rude,cruel,disappointed等。eg:Im glad/pleased to see you.We were

24、surprised to hear the news.so+adj./adv.+as to dosuch+adj.+n.+as to doadj./adv.+enough+to dotoo+adv./adj.+to do He was so foolish as to believe it.=He was such a fool as to believe it.=He was foolish enough to believe it.3.结果状语:To tell the truth,I am not happy at the moment.to be frank,to be honest,t

25、o tell the truth7 独立成分(absolute element)1.It is good to help others.2.It is my ambition to make sure that the disabled people in our neighborhood have access to all public buildings.3.My ambition is to work in the computer industry when I grow up.Identify its function.(subject)(subject)(predicative)

26、想一想4.I dont have time to sit around feeling sorry for myself.5.I am the only student in my class to have a pet snake.6.A big company has decided to buy it from me.7.My fellow students have begun to accept me for who I am.(attribute)(attribute)(object)(object)8.I have had to work hard to live a norma

27、l life.9.Some days I am too tired to get out of bed.10.We must call on local government to give financial assistance to disabled people.(adverbial)(adverbial)(object complement)动词不定式的时态和语态形形 式式 主主 动动 被被 动动一般式一般式进行式进行式完成式完成式完成进完成进行式行式to doto have doneto be doingto have been doingto be doneto have bee

28、ndone(1)They pretended not to see us.(2)He pretended to be sleeping.(3)She pretended to have known it before.(一般式表示与谓语的动作同时一般式表示与谓语的动作同时/几乎几乎/发发生在它之后。生在它之后。)(在谓语动词发生的同时在谓语动词发生的同时,不定式的动作也不定式的动作也正在进行。正在进行。)(完成式表示动作发生在谓语动作之前。完成式表示动作发生在谓语动作之前。)(4)Were happy to have been working with you.(完成进行式表示谓语动作发生之前

29、完成进行式表示谓语动作发生之前,不定式的动作一直在进行而且可能之后也不定式的动作一直在进行而且可能之后也继续。继续。)不定式的时态 不定式的一般式 to do I am glad to see you.He has decided to give her some money.表示的动作通常与谓语所表示的动作 或状态同时或者几乎同时发生，或是 在它之后发生。不定式的进行式to be doingI am very glad to be working with you.He pretended to be working hardwhen his boss passed him.表示的动作通常与

30、谓语动词表示的动作同时发生。不定式的完成式 to have doneHe happened to have seen the film before.The novel is believed to have been translated into Chinese.不定式所表示的动作发生在谓语动作或状态之前。He wanted to have met you at the airport,but he didnt get there in time.表示过去没有实现的期待或者计划hoped,promised,wanted,wished,expected,planned不定式的完成式 to h

31、ave doneHe would like to have played theviolin at the concert.不定式的完成式在would like后边表示未能实现的愿望。不定式的语态主动语态 to do 被动语态 to be doneIt is an honor for me to be invited to attend the meeting.Everyone likes the hero to be praised.省略to 与省略doWe asked him to stay till the nextday,but he refused to.Are you a teac

32、her?Yes,and I haveto beWhat we want to do now is lie downand have a good rest.I didnt say anything but to make a gesture.固定词组和句型1.prefer n.(doing)to n.(doing)2.prefer to do sth rather than do sth3.would rather do4.would rather+句子（虚拟语气）5.advise/allow/permit/forbid sb to do advise/allow/permit/forbid)

33、doing几对易混淆的词组：stop to do sth.停下来去做某事 doing sth.停止做某事forget to do sth.忘记去做某事 doing sth.忘记已做了某事remember to do sth.记得去做某事 doing sth.记得曾经做某事 The question is very difficult to answer.The problem is difficult to deal with.1.主语be+adj.+to do 能用于此句型的形容词有:difficult,easy,comfortable,fit,hard,pleasant,tiresome(

34、使人疲劳的),interesting,nice,heavy,dangerous,light,important,etc.主动形式表被动意义的不定式主动形式表被动意义的不定式The box is light enough to carry.The river water is warm enough to swim in.2.主语+be+adj.+enough+to do The books seemed too heavy to carry.The ice is too thin to skate on.3.主语+be +too+adj.+to do1.Last summer I took a

35、 course on_.A.how to make dresses B.how dresses be made C.how to be made dresses D.how dresses to be made2.Ive worked with children before,so I know what _ in my new job.A.expected B.to expect C.to be expecting D.expects3.There are five pairs_,but I am at a loss which to buy.A to be chosen B to choo

36、se from C to choose D for choosing4.I find these problems are easy_.A.to be worked out B.to work them out C.to work out D.to be worked them out5._late in the morning,Bob turned off the alarm.A.To sleep B.Sleeping C.Sleep D.Having slept6.I would love _to the party last night but I had to work extra h

37、ours to finish a report.A.to go B.having gone C.going D.to have gone7.John was made _the truck for a week as a punishment.A.to wash B.washing C.wash D.to be washing8.Tom kept quiet about the accident lose his job.A.so not as to B.so as not to C.so as to not D.not so as to9.The patient was warned _oi

38、ly food after the operation.A.to eat not B.eating not C.not to eat D.not eating1 爱和被爱都是最大的幸福。_ are both great happiness.2 据说他已经完成了他的工作。He is said _.3 根据报道他们已安全到达。They are reported _.To love and to be lovedto have finished/completedhis work翻译下面的句子to have arrived safely4 我想叫人立刻修理这辆自行车。I want this bike

39、 _.5 玛利仿佛已经被告知此事了。Mary seemed _.6 众所周知，奥运会上他被授予了一枚 金牌。He is known _ a gold medal at the Olympics.to be repaired at onceto have been told about itto have been given/immediatelyI want to tell you something.Make up a short passage using the infinitive as much as possible.For exampleHi,I want to tell yo

40、u something.I will go to Ruian for shopping this afternoon.Do you want to go with me?First,Id like to go to Kaitai Store.But to be frank,most of time I am there only to do some window shopping,because everything is expensive.Then,I plan to go to HongQiao Road to buy some clothes.I like to try the ne

41、w fashion style of this season.By the way,do you know anything to entertain us?If so,I cant wait to have a try!Why not come and join me?1.My teacher was made _ his teaching because of poor health.A.giving up B.to give up C.give up D.given up2.The sentence wants _ once more.A.explained B.to explain C

42、.being explained D.explaining3.The Arctic is considered _ the northern part of the Atlantic.A.having been B.to have beenC.to be D.being4.The Emperor ordered the wonderful cloth _ for him without delay.A.to have woven B.to be wovenC.to be weaving D.to weave5.I found the German language hard _.A.learn

43、ed B.learning C.to be learned D.to learn6.The light in the office is still on.-Oh,I forgot _.A.turning it off B.turn it offC.to turn it off D.having turned it off7.-How do you deal with the disagreement between the company and the customers?-The key _ the problem is to meet the demand _ by the custo

44、mers.A.to solving,making B.to solving,madeC.to solve,making D.to solve,made8.-What do you think of the school?-It is a very good _.A.school to study in B.school for children to studyC.studying school D.school to study9.-Did you get a job?-No,I _,but its no use.A.expected B.tried to C.managed to D.pl

45、anned10.We find it impossible for the work _ ahead of time.A.to finish B.finishing C.being finished D.to be finished11.-I usually go to Shanghai by train.-Why not _ there by boat for a change?A.to try to go B.try going C.to try going D.try to go 12._ a living,she had to work from morning till night.

46、A.To make B.MadeC.Making D.To have made13.I would rather starve to death than _ for food.A.beg B.begging C.begged D.to beg14.The boy pretended _ when his mother entered.A.reading B.to read C.to be reading D.being read15.Robert is said _ abroad,but I dont know what country he studied in.A.to have stu

47、died B.to study C.to be studying D.to have been studying16.The purpose of new technologies is to make life easier,_ it more difficult.A.not make B.not to make C.not making D.dont make17.Ive worked with children before,so I know what _ in my new job.A.expected B.to expect C.to be expecting D.expects1

48、8.Having a trip abroad is certainly good for the old couple,but it remains _ whether they will enjoy it.A.to see B.to be seen C.seeing D.see19.We agreed _ here but so far she hasnt turned up yet.A.having met B.meeting C.to meet D.to have met20.The boy wanted to ride his bicycle in the street,but his

49、 mother told him _.A.not to B.not to do C.not do it D.do not to21.The patient was warned _ oily food after the operation.A.to eat not B.eating not C.not to eat D.not eating22.I would love _ to the party last night but I had to work extra hours to finish a report.A.to go B.to have gone C.going D.havi

50、ng gone23.Charles Babbage is generally considered _the first computer.A.to invent B.inventing C.to have invented D.having invented24.Little Jim should love _ to the theatre this evening.A.to be taken B.to take C.being taken D.taking25._ late in the afternoon,Bob turned off the alarm.A.To sleep B.Sle