Unit 6 Space and beyond（课件）-【学而思·PPT课件分层练习】2025-2026学年高二英语选择性必修第四册（外研版）

该高中英语课件围绕“Space and beyond”主题，系统梳理高频词汇（如accustomed, take off等）、短语搭配、语法点（情态动词、doubt用法等）及核心句型，结合教材例句与真题实例，搭建从词汇辨析到语法应用的递进式学习支架。 其亮点在于融合语言能力（词汇用法归纳、句型转换训练）与思维品质（对比分析、逻辑推测），通过分层练习题与真题融入，帮助学生提升语言运用与问题解决能力，教师可直接用于课堂教学，高效落实核心素养培养。

1　become accustomed to习惯于…… Ever since Neil Armstrong first set foot on the Moon back on 20 July 1969, people have become accustomed to the notion of space travel.自从1969年7月20日尼尔·阿姆斯特朗第一次踏上月球 后,人们已经变得习惯于太空旅行的概念了。  教材P82   　　I have become accustomed to living in the countryside, and find it hard to live in the city.我习惯了住在农村,觉得难以在城市生活。   高频词汇精讲 Unit 6　 Space and beyond 高中同步 become/be/get/grow accustomed to (　　    ) sth.习惯于(做)某事   ①accustomed adj.习惯的;惯常的 ②accustom vt.使习惯 accustom oneself/sb. to sth.使自己/某人习惯于某事/某物 ③表示“习惯于(做)某事”的搭配还有be/get used to (doing) sth.、be in the habit of (doing) sth.。   ①I’m not in the habit of 　　    (lie) to my friends. ②I’ll have to study harder as a senior high school student and get used to 　　    (be) responsible for a lot more. Unit 6　 Space and beyond 高中同步 ③She found it necessary to accustom herself 　　    the working pace. ④He got on the bus and took his 　　    (accustom) seat. ⑤(2025新疆喀什月考)The smart girl is accustomed to 　　    (deal)with all kinds of people in her present occupation. ⑥(2025福建龙岩期末)It can be hard to get a good night’s rest if you’re not accustomed 　　     the heat. 答案 用法归纳:doing 即时巩固:①lying　②being　③to ④accustomed　⑤dealing　⑥to Unit 6　 Space and beyond 高中同步 2　take off起飞 When the Challenger space shuttle took off on 28 January 1986, the world seemed to have lost its wonder at the amazing achievements of the astronauts involved.当“挑战者”号航天飞 机于1986年1月28日起飞时,全世界似乎都对参与的宇航员的惊人成就不再感到惊奇。  教材P82   　　I took off my T-shirt and dived into the water.我脱下T恤,跳进水里。 He took off at once and went back to the hotel.他立刻就离开了,然后回到了那家旅馆。 Soon emojis took off throughout the world.很快表情符号就风靡世界了。 If you’re sick, you should take a day off. Go home and rest.如果你生病了,你就应该休 息一天。回家休息去吧。 Unit 6　 Space and beyond 高中同步   take off还可意为“　　    ,摘掉;急忙离开;突然大受欢迎,迅速流行;休假”。   ①take up 开始从事;占用(时间或空间);继续(做) ②take on 承担;呈现;雇用 ③take in 理解,领会;吸入;欺骗;注意到 ④take over 接管;接任;占上风;取而代之   ①(2023浙江1月) But all of that growth will take 　　    a lot of space, and though more and more people accept the concept of solar energy, few like large solar panels to be installed near them. Unit 6　 Space and beyond 高中同步 ②(2025广东东莞月考)Now that you’ve decided to take 　　    this responsibility, you should be prepared for the difficulties that may come your way. ③(2025四川成都月考)In the UK there is a type of fitness workout that is taking 　　    . The Green Gym! ④Trees play an important part, for they take 　　    carbon dioxide from the air and make oxygen. ⑤(2025云南名校联考) There’s even a solid case to be made that completely autonomous vehicles will never take 　　    everyday travel. 答案 用法归纳:脱下 即时巩固:①up　②on　③off　④in ⑤over Unit 6　 Space and beyond 高中同步 3　shadow n.坏影响,阴影;影子;背光处;形影不离的人(或动物) vt.跟踪;在……上投下阴影 It was the most disastrous space accident ever, and it cast a shadow on people’s hearts.这是 有史以来最具灾难性的太空事故,它给人们的心灵蒙上了阴影。   教材P83   　　An unhappy childhood might cast a shadow on/over one’s whole life.不快乐的童年可能会 给一个人的一生蒙上阴影。 I’m not very confident because my brother is so excellent that I have always lived in/under the shadow of him (=in his shadow).我不是很自信,因为我的哥哥太优秀了,以至于我一直生活 在他的光环之下。   Unit 6　 Space and beyond 高中同步 ①cast a shadow 　　　    ... 给……蒙上阴影 ②　　　     the shadow of... 在……的阴影下;被……的光彩掩盖(=in one’s shadow);在……近旁 ③in shadow 在阴影中,在背光处,在昏暗处 ④cast/throw a shadow投下影子 ⑤shadow play 皮影戏   shadow 意为“影子(可数名词);背光处(不可数名词)”,指人或东西在阳光或灯光下形成的影子或光线暗的地方 shade 意为“阴凉处,(树)荫”,指任何可以遮住阳光的阴凉的地方,还可以指(图画等中的)阴影 (部分) Unit 6　 Space and beyond 高中同步    　        ①(2025陕西西安期中)When anxiety beats you, or casts a shadow 　　    your life, this is a serious problem. ②It was hard to tell whether Professor Wang was angry or not as her face was hidden 　　     shadow. ③The whole nation was 　　    the shadow of the outbreak of the disease. Unit 6　 Space and beyond 高中同步 ④一个晴朗的下午,那棵高大的树在院子上投下了长长的影子。 On a sunny afternoon,the big tree 　　　　　　　　　　　    in the yard. ⑤选词填空 shade,shadow (2025安徽阜阳开学考)When Cirkel watched his son’s soccer team play, he found the kids lay in the 　　    after the game.   答案 用法归纳:①on/over　②in/under 即时巩固:①on/over　②in　③in/under　 ④cast/threw a long shadow ⑤shade Unit 6　 Space and beyond 高中同步 4　submit (submitted,submitted) v.提交,呈递(文件、建议等);投降,屈服 Submit a three-minute video introducing yourself...提交一段三分钟的视频介绍你自己……   教材P89   　　The people of this country refused to submit (themselves) to foreign invasion.这个国家 的人民面对外敌入侵拒绝屈服。 Having learned that you are recruiting overseas students, I am writing this letter to submit my application to you.得知贵校正在招募外国留学生,我写信向您提交我的申请。   ①submit sth. 　　    sb. 向某人提交/呈递某物 写作 申请信 Unit 6　 Space and beyond 高中同步 ②submit (oneself) 　　    ... 向……屈服(后跟名词或名词短语、代词、动名词)   submission n.提交(物);投降,屈服   ①Submit a topic proposal 　　    your history teacher. The teacher may require a second propos- al if the first is off topic or unclear. ②In conclusion, if you don’t submit yourself 　　    difficulties, you will make great progress. ③(2023新课标Ⅱ)After the coding of all 　　    (submit), half a dozen categories were noted most often as important to visitors. ④(2025上海大学附属中学月考)The technological plan for cultivating seedless watermelon must 　　    (submit) within three days. Unit 6　 Space and beyond 高中同步 答案 用法归纳:①to　②to 即时巩固:①to　②to　③submissions ④be submitted Unit 6　 Space and beyond 高中同步 5　fetch v.(去)拿来;(去)请来;(去)找来 A vacuum cleaner also comes in handy for fetching items that are floating around out-of- reach!真空吸尘器也可以用来取那些在够不着的地方四处飘浮着的东西!  教材P94   　　I asked her to fetch me an evening paper/fetch an evening paper for me. 我让她去给我拿 一份晚报来。 They had to climb down half the mountain to fetch water from a lake, which would take them three or four hours.他们得爬下到半山腰从湖里打水,这会花费他们三四个小时。   ①fetch sb./sth. 　　    ... 从……请来/找来某人;从……取来某物 ②fetch sb. sth.=fetch sth. 　　    sb. (去)给某人拿来某物 Unit 6　 Space and beyond 高中同步   fetch 表示“去拿来”,既包括“去”的意思,又包括“来”的意思 bring 表示“带来;领来”,指从别处拿过来或领过来 take 表示“拿走;带去”,指从此处拿走 carry 表示“携带”,不表方向,只表运送 Unit 6　 Space and beyond 高中同步       ①(2025湖南邵阳阶段测试)He asked if she could help fetch his phone 　　    the high ladder and platform. Unit 6　 Space and beyond 高中同步 ②(2024全国甲) Dogs are known for their impressive 　　    (fetch) habit, but cats take this be- havior up a notch. ③(2025海南华侨中学开学考)Girls in that area couldn’t go to school because they were fetching water all day 　　    their families. ④选词填空 fetch,bring,take,carry (2024新课标Ⅱ)Do you ever get to the train station and realize you forgot to 　　    something to read? I forgot to 　　    my bag with me when I got off the bus. Unit 6　 Space and beyond 高中同步 答案 用法归纳:①from　②for 即时巩固:①from　②fetching ③for　④bring;take Unit 6　 Space and beyond 高中同步 词汇 释义 用法&拓展 unexceptional adj.平常的;普通的;乏味的 exceptional adj.特别的;例外的;杰出的 exceptionally adv.罕见,特别, 非常;例外地 exception n.例外;例外的事物 　with the exception of 除……之外,不包括……在内 　without exception 一律;无一例外 　no exception没有例外 　make an exception破例,允许有例外 except prep.除……之外 conj.除了…… 高频词汇积累 Unit 6　 Space and beyond 高中同步 tragically adv.悲惨地,不幸地  disastrously adv.悲惨地;灾难性地 tragic adj.悲惨的;不幸的;悲痛的;可悲的;悲剧的 tragedy n.悲惨的事,不幸,灾难,惨案;悲剧,悲剧作品 tragedian n.悲剧作家;悲剧演员 scream v.(因疼痛、惊恐、兴奋等)尖声大叫;尖声说;大声叫 n.尖叫;尖锐刺耳的声音 scream (out) in/with...因……而尖叫 scream with joy 高兴地尖叫 (2021天津3月) scream in pain痛苦地尖叫 scream for help高声呼救 scream at...向……高声喊 Unit 6　 Space and beyond 高中同步 suspend v.暂停,中止;使暂时停学(或停职等);延缓,推迟; 悬,挂 be suspended from school/the job被暂时停学/被暂时停职 Claire looked at the light suspended from the ceiling. 克莱尔看向悬在天花板上的灯。  表示“暂停”的词还有:pause v.暂停;停顿  表示“推迟”的词汇还有:postpone v.延迟;延期　 put off推迟suspension n.延期;暂缓;暂时停学(或停职等) crew n.(飞机上的)全体机组人员; 专业团队 crew作主语,被看作一个整体时,谓语动词用单数形式;强调其中的个体时,谓语动词用复数形式。 simulated adj.模仿的,模拟的,仿真的;仿造的;假装的 simulate v.(用计算机或模型等)模拟;模仿,冒充;假装,装作 simulation n.模拟,仿真;假装, 冒充 simulator n.模拟装置 Unit 6　 Space and beyond 高中同步 awesome adj.很好的,了不起的;令人惊叹的;很困难的 an awesome sight/time惊人的奇观/美好时光 an awesome task十分艰巨的任务 awesomely adv.非常,极其 　awesomely beautiful极其美丽 angle v.斜置 n.角;角度;观点,立场 from different angles从不同立场 from every angle从每个角度 conceivably adv.可以相信地;可想象地 conceivable adj.可信的;可想象的 Unit 6　 Space and beyond 高中同步 invisible adj.看不见的;无形的 invisible to sb./sth.某人/某物看不见的 visible adj.看得见的,可见的;明显的 invisibly adv.看不见地 visibly adv.明显地　be visibly afraid of...明显害怕…… (2023天津) visibility n.能见度;可见性,明显性,关注程度 vision n.视力,视野;想象 否定前缀in-表示“不;非;相反的”,可用于构成形容词、副词和名词。如:incorrect不正确的;independently独立地; inability无能等。 Unit 6　 Space and beyond 高中同步 straightforward adj.简单的;坦诚的;坦率的 a straightforward process简单的过程 a straightforward reply一个坦率的回答 straightforwardly adv.直截了当地 straightforwardness n.坦率 Unit 6　 Space and beyond 高中同步 1　“There is/was never any doubt/no doubt that...”句型 But there was never any doubt that manned flights would continue...但是毫无疑问,载人飞 行将继续下去……  教材P84   　　There is some doubt whether he will come.他是否会来还不一定。 There is no doubt that humankind is drawn to Mars, with dreams of making it our second home.毫无疑问,人类对火星感兴趣,梦想着使它成为我们的第二家园。   　　There is/was never any doubt/no doubt that...意为“毫无疑问……”,其中doubt是名词, that引导的是　　　    从句,表示doubt的具体内容。当主句为肯定句时用　　　    引导同位 语句。 Unit 6　 Space and beyond 高中同步   　　doubt作名词后接同位语从句,或作动词后接宾语从句时,要注意: ①当主句为肯定句时,用whether引导同位语从句(不可用if);用whether或if引导宾语从句,表示 “不信任,不相信,怀疑”,常用句型为:I doubt whether/if...。 •He had his doubts whether they would give him another chance to have a try.他不能肯定 他们是否会再给他一次尝试机会。 ②当主句为否定句或疑问句时,用that引导同位语从句或宾语从句,表示“相信,不怀疑”。常 用句型为:I don’t doubt that...。 •I don’t doubt that he can finish the task on time.我相信他能按时完成任务。   ①(2025山东济宁月考)There is little doubt 　　    the new policy will bring benefits to the pubic in the near future. Unit 6　 Space and beyond 高中同步 ②There is some doubt 　　    he can win first prize. ③To be honest, I doubt 　　    they will finish the hard task in two days. ④I have no doubt 　　    you will succeed, but I doubt 　　    you have really got everything ready. ⑤(2021全国甲)It’s still a little too cold for them to go out into the open, but as soon as the weather warms up, I have no doubt 　　    the little one will be out and about exploring and play- ing every day.” ⑥(2025江西六校联考)But when you build a strong family identity in advance there will be no doubt 　　    your family can survive whatever winds and rains coming your way. Unit 6　 Space and beyond 高中同步   答案 用法归纳:同位语;whether 即时巩固:①that　②whether ③whether/if　④that;whether/if　⑤that　⑥that Unit 6　 Space and beyond 高中同步 2　“...be believed to do”句型 For example, the mysterious large-eyed, bronze statues of the ancient Shu Kingdom, discovered at the Chinese archeological site at Sanxingdui, were believed to have been able to look across great distances into the stars.例如在中国三星堆考古遗址发掘的神秘的古蜀国巨目青铜像,古时的人 们认为它能够看到遥远的星空。 教材P90   　　Graffiti in its modern form is believed to have first become popular in the United States in the 1960s.=It is believed that graffiti in its modern form has first become popular in the United States in the 1960s.人们认为现代形式的涂鸦最早于20世纪60年代在美国流行起来。   Unit 6　 Space and beyond 高中同步 　　“...be believed to do”意为“人们相信/认为……;据信……”,该句型也可以表达为 “　　　    ” ,其中It为形式主语,that引导主语从句。   　　有类似用法的动词还有consider、expect、report、say、predict、suppose、think、ac- knowledge等。 •Around 5 trillion pieces of plastic are thought to be currently floating in the ocean.=It’s thought that around 5 trillion pieces of plastic are currently floating in the ocean. 据认为,目前 大约有五万亿个塑料碎片漂浮在海洋中。   ①(2023新课标Ⅱ) Continued developments in communication technologies were once believed 　　    (make) the printed page outdated. Unit 6　 Space and beyond 高中同步 ②(2022全国乙) It is believed 　　    today’s children and teenagers are consuming three times the recommended level of sugar, putting them at a higher risk of the disease. ③(2022全国乙) Initially the sugar tax 　　    (expect) to make ￡520m a year for the Treasury. ④(2025广东深圳月考)人们普遍认为气候变化对全球生态系统构成了严重威胁。(acknowledge) →　　     　　　　　　　　　　　    climate change poses a severe threat to global ecosystems. →Climate change 　　　　　　　　　　　　　　    a severe threat to global ecosystems. 答案 用法归纳:①It is believed that 即时巩固:①to make　②that ③was expected　④It is widely acknowledged that; is widely acknowledged to pose Unit 6　 Space and beyond 高中同步 数百万人通过黑白电视机观看了首次登月,他们紧张得心都跳到了嗓子眼儿,因为大家都 明白这是一项多么艰难、多么危险的任务,许多地方都可能出错。 Unit 6　 Space and beyond 高中同步 “挑战者”号令人震惊的灾难发生后,航天飞机航行中止了近三年时间,同时(人们)调查了 这次灾难的原因,重新设计了航天飞机的部分零件。 Unit 6　 Space and beyond 高中同步 “挑战者”号的牺牲召唤着我们,提醒我们不管星空看起来可能多么遥不可及,我们都必 须持之以恒地去探索。 答案 ①独立主格　②宾语　③定语　④时间　⑤宾语　⑥让步 Unit 6　 Space and beyond 高中同步 复习:情态动词 常用的情态动词有can、could、be able to、may、might、must、have to、need、dare、 shall、should、ought to、will、would、used to等。情态动词(除have to、be able to外)通常无 人称和数的变化,不能单独使用,需与其后的动词原形一起构成谓语动词。 一　can, could, be able to   　　This hall can hold 500 people at least.这个大厅至少能容纳500人。 At that time the little girl could not speak.那时这个小女孩还不会说话。 Unit 6　 Space and beyond 高中同步 By the time he graduated from college, he had been able to speak three foreign languages. 到大学毕业时,他已经能够说三种外语了。 —Can/Could I use your computer for a moment?我可以用一会儿你的电脑吗? —Yes, you can.可以。 —Can/Could this be true? 这可能是真的吗? —This can’t/couldn’t be true./This could be true.这不可能是真的。/这可能是真的。 Peter can be difficult at times though he’s a nice person in general. 虽然总的来说,彼得是 个好人,可他有时可能会不好相处。 How can/could you treat me like that? 你怎么能那样对我?   Unit 6　 Space and beyond 高中同步 (1)can、could、be able to都可以表示能力,意为“能,会”。①　　　    表示现在的能力; ②　　　    表示过去的能力;be able to多指具体的能力,表示“能够并确实做到”,相当于 manage to,而且重点往往在于“成功地实现”。be able to有人称和数的变化,时态形式比can 更多样,还可以用在may、might、should等情态动词和want、need等动词后。 (2)can、could可表示请求和建议,回答时用can。could比can语气更委婉。 (3)can、could可表示推测,意为“可能”。can常用于否定句和疑问句,could可用于各种句 式。can比could语气强。 (4)③　　　    可表示客观的可能性,意为“有时会”。 (5)can、could可表示惊异、怀疑、迷惑等态度,常用于否定句和疑问句。   Unit 6　 Space and beyond 高中同步 　　—May/Might I watch TV after supper, Mum?妈妈,晚饭后我可以看电视吗? —Yes, you may/might./No, you mustn’t.可以。/不行,不准看。 He may/might be very busy now. 他现在或许很忙。 May you succeed! 祝你成功!   (1)表示请求或许可。might比may语气更委婉。肯定回答用may/might;否定回答用 ④　　       ,意为“不可以”。 (2)表示可能性,意为“或许”,常用于肯定句和否定句。might表示的可能性比may小。 (3)may可表示祝愿,用于祈使句中,常用结构为“May+主语+动词原形!”。  二　may, might  Unit 6　 Space and beyond 高中同步 三　must, have to —Must we hand in our exercise books today? 我们今天必须交练习本吗? —Yes, you must./No, you needn’t/don’t have to.是的,你们必须交。/不,你们不需要。 The party isn’t interesting. I really must go now. 聚会没趣。我现在真的必须走了。 I had to work when I was your age. 我在你这个年纪时必须工作。 Your mother must be waiting for you now. 你母亲现在肯定在等你。 Must you spoil everything? 你一定要把什么都破坏掉吗?   (1)must、have to表示义务,意为“必须”。在回答must引出的问句时,肯定回答用must,否定 的回答一般不能用mustn’t (禁止,不准),而要用⑤　　　    或⑥　　　　　     (不必)。 Unit 6　 Space and beyond 高中同步 (2)must表示“必须”时是说话人的⑦　　　    看法,而have to则强调⑧　　　    需要,意为 “不得不”。 (3)must可表示推测,意为“一定”,常用于肯定句。must be表示有根据的推测,其否定式为 can’t be。 (4)must还可表示“硬要,偏要,非要”。 四　need, dare   You needn’t try to explain. 你不必试图解释。 I dared not touch the flower for its tenderness. 那朵花太娇嫩了,我不敢碰它。 Dare you tell him the news? 你敢告诉他这个消息吗? —Need you go now? 你有必要现在去吗? —Yes, I must./No, I needn’t. 是的,我必须现在去。/不,我不必现在去。 Unit 6　 Space and beyond 高中同步   (1)need作情态动词时意为“需要”,无时态、人称变化;dare作情态动词时意为“敢”,无人 称变化,但有过去式dared。二者多用于疑问句、否定句和条件句中。 (2)以情态动词need开头的疑问句,肯定回答常用⑨　　　    ,否定回答常用⑩　　　    。 五　shall, should, ought to   What shall we do this evening? 今晚我们要做什么? You shall fail if you don’t work hard. 如果你不努力工作你就会失败。 No person shall smoke or carry a lighted cigarette in this area. 任何人不得在这一区域吸烟 或携带点燃的香烟。 He ought to/should be home by now. 他现在应该在家了。(不太肯定) Unit 6　 Space and beyond 高中同步 He must be home now. 他现在肯定在家。(断定他在家) I don’t know why you should think that I did it. 我不知道为什么你竟然认为这件事是我 做的。   (1)shall用于第一、三人称的疑问句中,表示征求对方的意见;也可用于第二、三人称的陈述 句中,表示说话人(给对方)的命令、警告、允诺、威胁或决心等。 (2)shall 用于正式文件、法律法令、规章制度、条约、规定等,意为“必须”。 (3)should/ought to表示责任、义务、建议等,意为“应该”,ought to比should语气重。 (4)should/ought to表示推测,指合乎理想的情况,意为“按说应该”。注意与must区分。 (5)should常与what、how、why等词连用,表示出乎意料、惊讶的语气,意为“ 　　       ”。 Unit 6　 Space and beyond 高中同步 六　will, would, used to   I thought this would be easy. 我原以为这会很简单。 I will help you if you’re in trouble.如果你有困难我会帮你。 John promised his doctor he would not smoke, and he has never smoked ever since. 约翰向 他的医生保证他不抽烟了,自那以后他没再抽过。 Will/Would you pass me the ball, please? 请你把球传给我,好吗? During vacations, he would visit me every other day. 在假期,他每隔一天就会来看我。 He used to be late, but now he is the first one to arrive at school every day.他过去常常迟到, 但现在他每天都是第一个到校。 Fish will die without water.鱼离开水就会死。 Unit 6　 Space and beyond 高中同步 He will keep playing the music loud.他老是把音乐开得很大声。 She would say that every time people ask this question.每次人们问这个问题她都会那样 说。   (1)will/would可表示预测、估计、猜想或主语的意志、意愿或决心,一般用于陈述句中。表 示意愿时,will指现在,would可指过去,也可指现在,但语气比will更委婉。 (2)will/would可用于第二人称的疑问句中,表示有礼貌地邀请、请求或征求意见等,would比 will语气委婉。 (3)will/would可表示某种倾向或习惯性动作,意为“总是,习惯于”,常与every day、often、 frequently等连用,will指现在,would指过去。used to也可表示过去的习惯,意为“过去常常”, 通常指所表示的过去的习惯现在已经没有了。would比used to正式,且没有“现已无此习 惯”之意。 Unit 6　 Space and beyond 高中同步 (4)will可表示一般规律或真理,意为“通常会,注定会”。 (5)will/would可表示不满,will用于描述某人令人厌烦的习惯,would表示某行为很典型或在意 料之中,往往含有贬义。 七　情态动词+have done   They can/could/may/might have known it beforehand.他们之前可能已经知道这件事了。 (推测) He might have gone to work when you arrive.当你到达时他可能已经去工作了。(推测) I have lost one of my gloves. I must have dropped it somewhere. 我丢了一只手套。我一定 是把它掉在什么地方了。(推测) Unit 6　 Space and beyond 高中同步 He can’t have gone abroad; I saw him ten minutes ago.他不可能出国了,我十分钟之前看 见他了。(推测) I couldn’t have been more than six years old when the accident happened. 事故发生时我不 可能超过6岁。(推测) It’s too late. You could have told him earlier.太晚了,你本可以早点告诉他的。(与过去事 实相反) Mr. White should have arrived at 8:30 for the meeting, but he didn’t show up. 怀特先生本 应该八点半来开会的,但他没有露面。(与过去事实相反) As you worked late yesterday, you needn’t have come this morning. 由于你昨天工作到很 晚,今天早上你本不必来的。(与过去事实相反) I would have called you, but there wasn’t time.我本来要给你打电话的,但没有时间。(与 过去事实相反) Unit 6　 Space and beyond 高中同步 If he had worked hard, he would have passed the exam.如果他努力学习了,他就会通过这 次考试了。(虚拟条件句)   1.can、could、may、might、must后接完成式可表示对过去情况的推测。 (1)can/could have done常用于疑问句中表示对过去某种情况的怀疑或不确定,could的语气较 弱。 (2)may/might have done用于对已经发生过的情况进行不确定的推测,might的语气稍弱,通常 不用于疑问句中。注意might have done还可表示对现在以及将来某一时间之前情况的推 测。 (3)must have done表示对过去已经发生过的情况的肯定推测,语气较强,意思是“一定,肯 定”,其否定形式为can’t/couldn’t have done,意为“不可能”。 Unit 6　 Space and beyond 高中同步 2.could、might、should、ought to、needn’t、would后接完成式可表示与过去事实相反。 (1)could have done可表示“过去本来可以做而实际未能做某事”。 (2)might have done可表示“过去可能发生但实际没有发生某事”。 (3)should/ought to have done可表示“过去本应该做而实际上没有做某事”,其否定形式则表 示“已经做了不该做的事情”,含有责备的意思;ought to的语气比should强烈。 (4)needn’t have done可表示“过去本来不必做而实际上做了某事”。 (5)would have done可表示“过去本要发生但未发生某事”。 (6)在虚拟条件句中,从句用过去完成时,主句用“情态动词+have+过去分词”的形式,即 would/could/should/might have done,表示与过去事实相反的情况。 Unit 6　 Space and beyond 高中同步 八　常见的含有情态动词的固定结构 1.can’t help but do...不得不做…… 2.can’t help doing 情不自禁做(但can􀆳t help to do意为“帮不上忙”) 3.can’t/couldn’t agree more十分赞成 4.It can’t/couldn’t be better.十分好/非常好。 5.It can’t be denied that...不可否认的是…… 6.can’t wait to do迫不及待做 7.may/might as well do最好做,倒不如做 8.may/might well do很可能做   用适当的情态动词或括号内动词的适当形式填空 ①(2024天津3月)Someone is planning to move out of our building, and their apartment 　　     　    be available for rent at the beginning of March. Unit 6　 Space and beyond 高中同步 ②(2025安徽部分地市开学考)We 　　　　    as well take the subway to get there since the traffic is so bad. ③(2025天津滨海期中)Few people come to the coastal town in winter, so there 　　　　    not be any difficulty finding somewhere to stay. ④(2025天津西青月考)Mr. Green 　　　　    be at home now. He went abroad on vacation last Friday. ⑤(2025天津市第一中学月考) His mother noticed a change in his behavior, but he 　　　　     not tell her what he had experienced in case she was worried. ⑥I’ve ordered some pizza, so we 　　　　    worry about cooking when we get home tired. ⑦Don’t get this kind of ink on your white blouse, for it 　　　　    not wash out. Unit 6　 Space and beyond 高中同步 ⑧From the moment he 　　　　    read, he was never without a book in his hands. ⑨You can’t imagine that a well-behaved gentleman 　　　　    be so rude to a lady. ⑩The park rules state that no child 　　　　    be allowed to play on the slide without the com- pany of an adult.  Getting up suddenly 　　　　    lead to the rapid heart rate and high blood pressure.  —　　　　     you work at such a late hour? You are killing me with that noise. —How 　　　　    you talk to me like this!  Paul did a great job in the speech contest. He 　　　　    (practice) many times last week.  Thank you for your timely first aid, or the boy might 　　　　    (bleed) to death.  I 　　　　    have passed my exam, but I made too many stupid mistakes. Unit 6　 Space and beyond 高中同步 答案 用法归纳:①can　②could　③can ④mustn’t　⑤needn’t　⑥don’t have to　⑦主观　⑧客观 ⑨must　⑩needn􀆳t   竟然 即时巩固:①will　②may/might ③should　④can’t　⑤would ⑥needn’t/don’t have to　⑦will ⑧could　⑨should　⑩shall  can     Must;dare     must have practiced     have bled     could Unit 6　 Space and beyond 高中同步 $