人教版高中英语配套ppt课件：选修10 unit 1 period 1

1、课前自主学习课前自主学习课堂互动探究课堂互动探究Unit 1 Nothing ventured，nothing gained 课前自主学习课前自主学习课堂互动探究课堂互动探究At 50 I was the first woman to travel alone to the North Pole.But what should I do to celebrate my 60th birthday？What else，but a journey at the opposite end of the world，Antarctica？I began my almost 400mile journe

2、y on November lst，1997. I walked and skied alone.课前自主学习课前自主学习课堂互动探究课堂互动探究 The first day the weather was very good.The wind was icy but not very strong and there was bright sunshine 24 hours a day.But changes were just around the corner.On the third day I was struggling through stormy weather and dur

3、ing the next week the wind grew stronger and I found myself spending a whole day in my tent.课前自主学习课前自主学习课堂互动探究课堂互动探究On November 12th the storm died down.It was my birthday and I wanted to make that day special.I thawed(解解冻冻)a frozen cake over my fire，placed a candle in the top，lit it and sang“happy

4、birthday to me”at the top of my voice.I was in good health and all of my equipment was working well.I was so happy that I decided that the next day，the 22nd day of the expedition，I would increase my workday to 12 hours.课前自主学习课前自主学习课堂互动探究课堂互动探究 The next morning I had a bad accident with the sled and

5、hurt my leg.I couldnt stand on my left leg and my head was woozy(晕晕)from hitting the ground.But I knew that I had to get up.Lying on the ice，I would soon die.I struggled to my knees knowing that somehow I had to put my tent up for shelter.On hands and knees I got the tent up and dragged my sleeping

6、bag into the tent and lay down out of the cold wind.课前自主学习课前自主学习课堂互动探究课堂互动探究 I had to make a decision.Wait to get better or give up？I had to think of my family，which is very important to me，and do the right thing.I did so without regret.I had met the challenge of solo(独自的独自的)travel in an extreme cli

7、mate.It is an experience I shall never forget and shall value for the rest of my life.课前自主学习课前自主学习课堂互动探究课堂互动探究阅读短文，判断正阅读短文，判断正(T)误误(F)()1.Antarctica is another name for the South Pole.()2.The author (Helen Thayer)was born on November lst，1937.()3.Helens workdays were usually less than 12 hours.()4.O

8、n the 22nd day of the expedition，the sled knocked Helen over and hurt her leg.()5.Helen Thayer had come across the challenge of travel by herself in an extreme climate.答案答案1.T2.F3.T4.T5.T课前自主学习课前自主学习课堂互动探究课堂互动探究Unit 1 Nothing ventured，nothing gained Period 1 Warming Up，Prereading&Reading 课件（人教版选

9、修课件（人教版选修10，课标通，课标通用）用）.单词识记单词识记1_/vent/n.&vi.(有风险的有风险的)商业，企业；冒险；敢商业，企业；冒险；敢于去于去2_/Indjrns/n.忍耐；持久；耐忍耐；持久；耐(性性)_v.3_/nberbl/adj.无法忍受的；承受不住的无法忍受的；承受不住的_v忍受；承受忍受；承受4_/brelIs/adj.喘不过气来的喘不过气来的_n呼呼吸，气息吸，气息_v呼吸；吸气呼吸；吸气课前自主学习课前自主学习课堂互动探究课堂互动探究5_/blkn/vt.使变黑使变黑6_/hs/adj.嘶哑的嘶哑的7steward/stjd/n._8urgent/dn

10、t/adj._n紧迫紧迫_adv.9persevere/ /vt._ _ n坚持不坚持不懈懈10morale/m rl/n._课前自主学习课前自主学习课堂互动探究课堂互动探究答案答案1.venture2.endurance；endure3.unbearable；bear 4breathless；breath；breathe5.blacken6.hoarse7.(轮船、飞机等轮船、飞机等)乘务员；膳务员乘务员；膳务员8.急迫的，急迫的，紧急的；紧急的；urgency；urgently9.坚持；坚持；perseverance10.士气；精神状态士气；精神状态课前自主学习课前自主学习课堂互动探究课堂

11、互动探究.短语天地短语天地1at a venture_2be forced to do sth_3remind sb of sth_4feel ones way_5发誓戒除发誓戒除_6信仰信仰(信任信任)某人某人_7毫不拖延毫不拖延_8泄漏；赠送泄漏；赠送_课前自主学习课前自主学习课堂互动探究课堂互动探究答案答案1.随便地；碰运气地随便地；碰运气地2.被迫做某事被迫做某事3.提醒某人提醒某人某事某事4.(在黑暗中在黑暗中)摸索着走摸索着走5.swear off6.have faith in sb/sth7.without delay8.give away课前自主学习课前自主学习课堂互动探究课堂

12、互动探究.句型搜索句型搜索1I try to_ _(想起想起)happier things：warm and dry clothes，a cosy bedroom，sunny days，my mothers face and the celebration we will get when we return，_(因为因为)I am _ _(中中的一员的一员)a failed expedition _ tried to cross the continent of Antarctica，something _ had never been done before.课前自主学习课前自主学习课堂互

13、动探究课堂互动探究2Our circumstances are so desperate that _ _ _ _ (不确定是否不确定是否)we will ever return alive.3So _ _ _ _ _(怀着怀着无比激动的心情无比激动的心情)one morning in July 1914 that I read this advertisement答案答案1.think of；for；part of；that；that2it is uncertain whether3it was with great excitement课前自主学习课前自主学习课堂互动探究课堂互动探究.预读

14、理解预读理解1What did the writer imply by saying “Everything is grey”？AThe light was so poor.BThe weather was very changeable.CThe writer liked grey color.DThe writer was in a bad mood.课前自主学习课前自主学习课堂互动探究课堂互动探究2The reason why the writer didnt apply for the expedition in an usual way was probably that _Ahe

15、wanted to give Ernest Shackleton a surpriseBhe wanted to avoid being found out by his familyChe was afraid to be refused because he was an amateurDhe was more adventurous than common people课前自主学习课前自主学习课堂互动探究课堂互动探究3From this text we can infer that _ASir Ernest Shackleton was an experienced explorerBa

16、ll the members of the expedition were easygoingCthe expedition team went to Antarctica for scientific researchDthe expedition team managed to reach their destination in spite of the difficulties4Which of the following played the most important part in encouraging the members and saving their lives?A

17、Adventure spirit. BTeam spirit.CHard work. DOptimism.课前自主学习课前自主学习课堂互动探究课堂互动探究5The topic of the text “A Successful Failure” means that _Athe expedition to Antarctica taught them a lessonBit was a great honor to join an expedition with Sir Ernest ShackletonCall of the members took pride in their adven

18、ture spiritDthe expedition failed，but the members were perseverant，optimistic and cooperative enough to stay alive.答案答案1.D2.C3.A4.B5.D课前自主学习课前自主学习课堂互动探究课堂互动探究1venture vt.冒冒的危险；拿的危险；拿冒险；敢于做冒险；敢于做(某事某事)；以以作赌注作赌注 vi.冒险；投机冒险；投机 n(有风险的有风险的)商业、企业商业、企业Dont venture too near the edge of the well；you might fa

19、ll in.别冒险太靠近水井，那样你会掉进去的。别冒险太靠近水井，那样你会掉进去的。He ventured large sums of money on speculative funds.他将大笔的钱拿去做了基金投机。他将大笔的钱拿去做了基金投机。课前自主学习课前自主学习课堂互动探究课堂互动探究Dont venture into the jungle without a guide.没有向导，不要冒险进入丛林中。没有向导，不要冒险进入丛林中。They were the astronauts on the first venture to the moon.他们是首次登月球探险的宇航员。他们是

20、首次登月球探险的宇航员。He failed in his ventures.他投机失败了。他投机失败了。All our hopes rested upon this venture.我们所有的希望都寄托在这次冒险上了。我们所有的希望都寄托在这次冒险上了。课前自主学习课前自主学习课堂互动探究课堂互动探究【归纳拓展归纳拓展】venture to do sth大胆进行，大胆表示大胆进行，大胆表示venture into/beyond/out of冒险进入冒险进入/走出走出venture aton，upon胆敢从事；毫无把握地贸然尝试胆敢从事；毫无把握地贸然尝试Nothing venture，noth

21、ing have.谚谚不入虎穴，焉得虎子。不入虎穴，焉得虎子。ready for any venture不辞任何危险不辞任何危险at a venture随便地；碰运气地；胡乱地随便地；碰运气地；胡乱地venturer n冒险者，冒险的人冒险者，冒险的人 课前自主学习课前自主学习课堂互动探究课堂互动探究【完成句子完成句子】He _ his life to save a little girl from drowning.他冒生命危险救起了一个小女孩，使她免于淹死。他冒生命危险救起了一个小女孩，使她免于淹死。He chose a book _ from the shelves.他从书架上随便挑了一

22、本书。他从书架上随便挑了一本书。答案答案venturedat a venture课前自主学习课前自主学习课堂互动探究课堂互动探究2endurance n忍耐；持久；耐性；忍耐力忍耐；持久；耐性；忍耐力This event tests both physical and mental endurance.该比赛项目既是对体力也是对心理承受力的考验。该比赛项目既是对体力也是对心理承受力的考验。He showed remarkable endurance throughout his illness.他生病的整个阶段都表现出非凡的忍耐力。他生病的整个阶段都表现出非凡的忍耐力。Longdistance

23、 runners need great endurance.长跑运动员需要很大的耐力。长跑运动员需要很大的耐力。课前自主学习课前自主学习课堂互动探究课堂互动探究【归纳拓展归纳拓展】beyond endurance忍无可忍忍无可忍an endurance test耐久试验耐久试验endurable adj.可忍耐的；可容忍的可忍耐的；可容忍的endure vt.&vi.忍受；持久忍受；持久enduring adj.持续的；持久的持续的；持久的cant/couldnt endure to do/doing sth不能忍受做某事不能忍受做某事 课前自主学习课前自主学习课堂互动探究课堂互动探究

24、【完成句子完成句子】他这样对待她是无法忍受的。他这样对待她是无法忍受的。His treatment of her was _看着儿童受苦，我可受不了。看着儿童受苦，我可受不了。I cant _ children suffer.答案答案beyond enduranceendure seeing课前自主学习课前自主学习课堂互动探究课堂互动探究3unbearable adj.无法忍受的；承受不住的无法忍受的；承受不住的The coldness was becoming unbearable.寒冷开始变得难以忍受。寒冷开始变得难以忍受。【归纳拓展归纳拓展】bearable(反义词反义词) adj.可忍

25、受的；承受的住的可忍受的；承受的住的unbearably adv.无法忍受地，承受不住地无法忍受地，承受不住地bear n熊；粗鲁的人，笨拙的人熊；粗鲁的人，笨拙的人vt.&vi.负担；忍受；佩带；经得起；生育负担；忍受；佩带；经得起；生育 课前自主学习课前自主学习课堂互动探究课堂互动探究【温馨提示温馨提示】bear过去分词是过去分词是borne或或born，born只用在只用在were/was born短语中。短语中。I was born in Beijing in May.我五月出生在北京。我五月出生在北京。课前自主学习课前自主学习课堂互动探究课堂互动探究【完成句子完成句子】She

26、 is nice but her husband is _ that nobody likes him.她很好，可是她丈夫非常粗鲁，没有人喜欢他。她很好，可是她丈夫非常粗鲁，没有人喜欢他。The sound of music was _ on the wind.音乐声随风飘扬。音乐声随风飘扬。She _ her husband 5 children.她给丈夫生了她给丈夫生了5个孩子。个孩子。答案答案such a bearbornebore (has borne)课前自主学习课前自主学习课堂互动探究课堂互动探究4swear vt.宣誓，发誓宣誓，发誓(swore，sworn)I swear I

27、wont tell anyone your secret.我发誓不把你的秘密告诉任何人。我发誓不把你的秘密告诉任何人。He swore to speak the truth.他发誓要讲实话。他发誓要讲实话。课前自主学习课前自主学习课堂互动探究课堂互动探究课前自主学习课前自主学习课堂互动探究课堂互动探究【英汉互译英汉互译】证人起誓保证讲真话。证人起誓保证讲真话。_Are you willing to stand up in court and swear that you dont recognize him?_答案答案The witness swore to tell the truth.你愿

28、出庭起誓说你不认识他吗？你愿出庭起誓说你不认识他吗？课前自主学习课前自主学习课堂互动探究课堂互动探究5advocate vt.提倡，主张；拥护提倡，主张；拥护 n提倡者；支持者；辩护提倡者；支持者；辩护律师律师There is no point advocating improving public transport unless we can pay for it.提倡改善公共交通毫无意义，除非我们能支付得起改善的提倡改善公共交通毫无意义，除非我们能支付得起改善的费用。费用。He is a tireless advocate of political reform.他是一个坚持不懈的政治改

29、革拥护者。他是一个坚持不懈的政治改革拥护者。an advocate of equal pay for men and women提倡男女同酬者提倡男女同酬者课前自主学习课前自主学习课堂互动探究课堂互动探究课前自主学习课前自主学习课堂互动探究课堂互动探究【完成句子完成句子】_(那个报导主张那个报导主张)that people should go to work by transport instead of driving by themselves.The Chinese people are _(和平的拥护和平的拥护者者)He _(主张改良主张改良)the prison system.答案答

30、案The report advocatesadvocates of peaceadvocates reforming课前自主学习课前自主学习课堂互动探究课堂互动探究1block out 封闭；遮住，挡住封闭；遮住，挡住(光线、声音光线、声音)；忘掉，抹去；忘掉，抹去(不愉快的事不愉快的事)All roads were blocked up by the heavy snow.所有的道路都被大雪封闭了。所有的道路都被大雪封闭了。An ugly building blocked out the view from the window.一座难看的大楼把窗外的景物遮住了。一座难看的大楼把窗外的景物遮

31、住了。He has always managed to block out the incident.他总能设法让自己不去回想那次事故。他总能设法让自己不去回想那次事故。课前自主学习课前自主学习课堂互动探究课堂互动探究【归纳拓展归纳拓展】block sth off(用路障用路障)封锁，堵住封锁，堵住block sth in画出画出(某物某物)的草图的草图block sth up堵塞；阻碍堵塞；阻碍block n块；街区；障碍物；大厦块；街区；障碍物；大厦 vt.阻塞；阻止；限制阻塞；阻止；限制Snowdrifts blocked our progress.雪堆挡住了我们的前进。雪堆挡住了我们的

32、前进。The goalkeeper blocked a shot.守门员阻截了一次射门。守门员阻截了一次射门。We live on the same block.我们住在同一个街区。我们住在同一个街区。 课前自主学习课前自主学习课堂互动探究课堂互动探究【完成句子完成句子】A piece of rock has fallen and _ (把小把小路挡住了路挡住了)Police _ (封锁了那条路封锁了那条路)after the explosion.答案答案blocked up the pathblocked off the street课前自主学习课前自主学习课堂互动探究课堂互动探究2hold

33、 on(1)继续；坚持；保持继续；坚持；保持The speaker held on for a full hour.演讲的人讲了整整一个小时。演讲的人讲了整整一个小时。How much longer do you think we can hold on?你认为我们还能坚持多久？你认为我们还能坚持多久？Hold on a minute while I get my breath back.停一停，让我喘口气。停一停，让我喘口气。Id hold on to that house for the time being because house prices are rising sharply

34、at the moment.目前我不能出让那所房子，此刻房价正在急剧上涨。目前我不能出让那所房子，此刻房价正在急剧上涨。课前自主学习课前自主学习课堂互动探究课堂互动探究(2)不挂断不挂断(电话电话)Could you hold on？Ill just see if the manager is in.你不要挂断电话好吗？我去看看经理在不在。你不要挂断电话好吗？我去看看经理在不在。课前自主学习课前自主学习课堂互动探究课堂互动探究【归纳拓展归纳拓展】hold back阻止阻止hold out给予，提供；支持；继续给予，提供；支持；继续hold to坚持；遵循坚持；遵循hold up延误，耽搁；阻挡

35、延误，耽搁；阻挡hold on to sth抓住某物；保留某物抓住某物；保留某物hold office当政，执政当政，执政hold ones attention/interest吸引某人的注意力吸引某人的注意力/兴趣兴趣课前自主学习课前自主学习课堂互动探究课堂互动探究【完成句子完成句子】You should _ (保留保留)your oil shares.In spite of various difficulties，he _ (始终没始终没放弃放弃)the dream of returning to his homeland.答案答案hold on toheld on to课前自主学习课前

36、自主学习课堂互动探究课堂互动探究3give way to 给给让路；对让路；对让步让步He gave way at the door and let an old lady go in before him.他在门口让路，让一位老太太先进去。他在门口让路，让一位老太太先进去。We refused to give way to their demands.我们拒绝对他们的要求让步。我们拒绝对他们的要求让步。课前自主学习课前自主学习课堂互动探究课堂互动探究【归纳拓展归纳拓展】give way to despair陷于绝望陷于绝望give in 屈服，让步屈服，让步give out分发；发表；用完，

37、耗尽；放出分发；发表；用完，耗尽；放出(光和热等光和热等)give up放弃放弃give off排放排放(水、气等水、气等)give back归还；恢复归还；恢复give away捐赠；分发捐赠；分发(奖品等奖品等)；放弃；放弃(机会等机会等)give forth发出发出(气味、声音等气味、声音等)；发表；发表 课前自主学习课前自主学习课堂互动探究课堂互动探究【比较网站比较网站】give off/give out(1)give out分发，公布，耗尽，发出分发，公布，耗尽，发出(气味、热气味、热)。(2)give off发出发出(液体、气味、蒸汽、光等液体、气味、蒸汽、光等)。课前自主学习课前

38、自主学习课堂互动探究课堂互动探究【单项填空单项填空】The Chinese government has passed a new regulation forbidding supermarkets and stores to_ free plastic bags to shoppers，in a bid to protect the environment.Agive off Bgive in Cgive up Dgive out课前自主学习课前自主学习课堂互动探究课堂互动探究解析解析句意：为保护环境，中国政府已通过新规定禁止商句意：为保护环境，中国政府已通过新规定禁止商场、超市向购物者免

39、费发放塑料袋。场、超市向购物者免费发放塑料袋。give out 分发，耗分发，耗尽；尽；give off发出发出(气味、光等气味、光等)；give in屈服，让步；屈服，让步；give up放弃。放弃。答案答案D课前自主学习课前自主学习课堂互动探究课堂互动探究4contribute to 有助于；导致；为有助于；导致；为做贡献；捐款；投稿做贡献；捐款；投稿He contributed a lot of money to the hospital to help improve its conditions.他给这家医院捐了很多钱来改善它的条件。他给这家医院捐了很多钱来改善它的条件。A prop

40、er amount of exercise contributes to good health.适当的运动有助于健康。适当的运动有助于健康。His carelessness contributed to the accident.他的粗心导致了事故的发生。他的粗心导致了事故的发生。课前自主学习课前自主学习课堂互动探究课堂互动探究【比较网站比较网站】devote/contribute(1)devote 常用于常用于devote oneself/ones life(time；efforts；energy.)to doing sth以及以及be devoted to结构中，意为结构中，意为“献身献

41、身于，致力于于，致力于”；但是；但是contribute不和不和oneself或或ones life连用，连用，表示表示“献身于献身于”时，用时，用contribute to即可。即可。(2)devote只作及物动词，而只作及物动词，而contribute还可以用作不及物动还可以用作不及物动词，后接介词词，后接介词to。课前自主学习课前自主学习课堂互动探究课堂互动探究【图解助记图解助记】课前自主学习课前自主学习课堂互动探究课堂互动探究【一言辨异一言辨异】Many people contributed money to the poor boy，which contributed to his

42、returning to school.A writer wrote a story about it and contributed it to a newspaper. .许多人给这个可怜的小男孩捐钱，这使他重新回到了校许多人给这个可怜的小男孩捐钱，这使他重新回到了校园。一位作家写了一篇关于此事的文章并把它投到了报园。一位作家写了一篇关于此事的文章并把它投到了报社。社。课前自主学习课前自主学习课堂互动探究课堂互动探究【单项填空单项填空】Its said that driving after drinking _ thousands of traffic accidents every ye

43、ar.Aresults from Bcontributes toCdevotes to Dlies in解析解析考查短语辨析。考查短语辨析。result from因为，由于；因为，由于；contribute to导致；导致；devote to献身于；献身于；lie in在于。在于。答案答案B课前自主学习课前自主学习课堂互动探究课堂互动探究1I try to think of happier things：warm and dry clothes，a cosy bedroom，sunny days，my mothers face and the celebration we will get w

44、hen we return，for I am part_of a failed expedition that tried to cross the continent of Antarctica，something that had never been done before.我我竭力地想着更加高兴的事情：温暖干燥的衣服、一张舒适竭力地想着更加高兴的事情：温暖干燥的衣服、一张舒适的床、阳光灿烂的日子、妈妈的面庞和我们回到家时我们的床、阳光灿烂的日子、妈妈的面庞和我们回到家时我们将要得到的庆祝，因为我是试图横穿南极大陆这个失败的将要得到的庆祝，因为我是试图横穿南极大陆这个失败的探险队里的一员

45、，这也是史无前例的壮举。探险队里的一员，这也是史无前例的壮举。课前自主学习课前自主学习课堂互动探究课堂互动探究(1)for连接表示原因的另一个分句，在这个分句中包含两连接表示原因的另一个分句，在这个分句中包含两个个that引导的定语从句，分别修饰引导的定语从句，分别修饰expedition和和something。something指指to cross the continent of Antarctica这一件事。这一件事。【比较网站比较网站】for/because/sincefor连接连接“顺便表示原因的顺便表示原因的”分句；分句；because是用来回答是用来回答why提出的问题的，语气最

46、强；提出的问题的，语气最强；since引导原因状语从句引导原因状语从句时，含有时，含有“前提条件、前提原因前提条件、前提原因”的意思。的意思。课前自主学习课前自主学习课堂互动探究课堂互动探究(2)“中的一员中的一员”英语要说成英语要说成.be part of.。part前面前面不能有冠词不能有冠词a。Our class is a big family and everyone here is part of this big family.我们班级是个大家庭，在座的每一个人都是这个家庭中的我们班级是个大家庭，在座的每一个人都是这个家庭中的一员。一员。(3)something意思是意思是“重要的

47、、了不起的、含糊的概念重要的、了不起的、含糊的概念”等。等。At least we didnt lose any money.Thats something.至少我们没有丢钱，这才是最重要的。至少我们没有丢钱，这才是最重要的。课前自主学习课前自主学习课堂互动探究课堂互动探究用用for，because，since填空填空Why didnt you come to my birthday party last weekend?你为什么不来参加我上一个周末的生日聚会？你为什么不来参加我上一个周末的生日聚会？_ I was away on business in Shanghai.因为我出差在上海呢。

48、因为我出差在上海呢。Tom didnt come today，_ he is ill.汤姆今天没来，因为他生病了。汤姆今天没来，因为他生病了。_ this method doesnt work，lets try another.既然这个方法不行，我们试用另一种吧。既然这个方法不行，我们试用另一种吧。答案答案BecauseforSince课前自主学习课前自主学习课堂互动探究课堂互动探究2I believe Shackleton must_have_mourned this unexpected end to his expedition，but he did not waste time on

49、regrets.我相信沙克尔顿肯定会对这次探险意想不到的结我相信沙克尔顿肯定会对这次探险意想不到的结局而痛心，但他并没有把时间浪费在遗憾和悔恨中。局而痛心，但他并没有把时间浪费在遗憾和悔恨中。“must have过去分词过去分词”结构表示对过去事件的肯定猜结构表示对过去事件的肯定猜测，意为测，意为“一定做了一定做了”。课前自主学习课前自主学习课堂互动探究课堂互动探究I didnt hear the phone.I must have been asleep.我刚才没有听到电话，我肯定睡着了。我刚才没有听到电话，我肯定睡着了。He must have attended the party las

50、t night.他昨天晚上一定参加了晚会。他昨天晚上一定参加了晚会。It must have rained last night，for the road is all wet.昨晚一定下过雨，因为道路都是湿的。昨晚一定下过雨，因为道路都是湿的。课前自主学习课前自主学习课堂互动探究课堂互动探究【温馨提示温馨提示】在含有这种结构的句子的反意疑问句中，如果句中有具体在含有这种结构的句子的反意疑问句中，如果句中有具体的过去时间，附加疑问部分用的过去时间，附加疑问部分用“didnt”；如无具体的过；如无具体的过去时间，附加疑问部分用去时间，附加疑问部分用hasnt/havent。The headmas

51、ter must have gone to bed，for there was no light in his room just a moment ago，didnt he？校长肯定？校长肯定已经睡了，因为刚才他的房间里没有灯光，对吧？已经睡了，因为刚才他的房间里没有灯光，对吧？Susan must have told you about it，hasnt she?苏珊一定已经告诉您了，是吧？苏珊一定已经告诉您了，是吧？课前自主学习课前自主学习课堂互动探究课堂互动探究【归纳拓展归纳拓展】(1)may/might have done表示对已发生的动作或存在的状态进表示对已发生的动作或存在的状态

52、进行不肯定的推测，行不肯定的推测，might比比may语气弱。这种结构主要用于语气弱。这种结构主要用于肯定句和否定句。肯定句和否定句。He was absent from school.He may have been ill.他没来上学，可能是病了。他没来上学，可能是病了。You might have read about it in the papers.你可能在报上已经看过这个消息了。你可能在报上已经看过这个消息了。They may not have known it before hand.他们事先可能不知道这事儿。他们事先可能不知道这事儿。课前自主学习课前自主学习课堂互动探究课堂互动

53、探究(2)can/could have done表示对过去某种情况的怀疑或不确表示对过去某种情况的怀疑或不确定，一般用于否定句和疑问句，定，一般用于否定句和疑问句，could比比can语气弱。语气弱。could have done还可表示过去本来可以做的事而没做。还可表示过去本来可以做的事而没做。He cant have taken it home.他不可能把它带回家了。他不可能把它带回家了。He could have overslept again.他他(那时那时)可能又睡过头了。可能又睡过头了。You were stupid to do such a thing.You could hav

54、e been killed then.你做那事真够蠢的。你可能会死掉的。你做那事真够蠢的。你可能会死掉的。课前自主学习课前自主学习课堂互动探究课堂互动探究(3)ought to/should have done“本来应该本来应该(与事实相与事实相反反)”；“应该已经应该已经(较大把握的推断较大把握的推断)”You shouldnt have laughed at his mistakes.你本不该嘲笑他的错误。你本不该嘲笑他的错误。He ought to have arrived by this time.这时候他应该已经到了。这时候他应该已经到了。课前自主学习课前自主学习课堂互动探究课堂互动

55、探究【完成句子完成句子】我的词典呢？我记得昨天把它放这儿了。我的词典呢？我记得昨天把它放这儿了。你可能把它放在了别的地方。你可能把它放在了别的地方。Where is my dictionary？I remember I put it here yesterday.You _ it in the wrong place.他一定完成工作了；否则他现在不会在海边玩。他一定完成工作了；否则他现在不会在海边玩。He _ his work；otherwise，he wouldnt be enjoying himself by the seaside now.课前自主学习课前自主学习课堂互动探究课堂互动探究

56、发生车祸的时候我不可能超过发生车祸的时候我不可能超过6岁。岁。 I _ more than six years old when the accident happened.答案答案might/may have putmust have completed/ finishedcouldnt have been课前自主学习课前自主学习课堂互动探究课堂互动探究3Calling us calmly together，he made an urgent announcement that we must save only essential supplies before the ship sank

57、，.他镇定地把我们召集起来，紧急他镇定地把我们召集起来，紧急宣布在船沉之前必须抢救出基本给养，宣布在船沉之前必须抢救出基本给养，(1)calling us calmly together是现在分词短语在句中作时间是现在分词短语在句中作时间状语，相当于一个时间状语从句状语，相当于一个时间状语从句after he called.。Not having completed the plan，they have to stay there for another two weeks.由于没完成那项计划，他们只好在那里再呆两个星期。由于没完成那项计划，他们只好在那里再呆两个星期。课前自主学习课前自主学习

58、课堂互动探究课堂互动探究Having said that she didnt do a good job，I dont think Im abler than her.虽然我说过她的工作做的不好，但是我虽然我说过她的工作做的不好，但是我认为我并不比她更有本事。认为我并不比她更有本事。The manager，having made it clear to us that he didnt agree with us，left the meeting room.这位经理向我们表示这位经理向我们表示他不同意我们的意见后就离开了会议室。他不同意我们的意见后就离开了会议室。课前自主学习课前自主学习课堂互动探究课堂互动探究【归纳拓展归纳拓展】现在分词作状语时，常位于句首或句尾，有时也放在句中，现在分词作状语时，常位于句首