Unit4 Humour单元典型句式结构讲解课件 2025-2026学年北师大版高中英语选择性必修第二册

该高中英语课件聚焦Unit 4 Humour单元的五个典型句式结构，从教材原句切入，通过归纳对比（如save sb from doing sth与protect sb from sth等）搭建知识支架，结合语法填空、一句多译等多样化练习，帮助学生系统掌握句式用法。 其亮点在于融合语言能力与思维品质的培养，通过“一句多译”（如用不同句型表达“阻止前进”）和“句式升级”（如in order to改为in order that）练习，提升学生语言表达灵活性与思维层次，为教师提供结构化教学资源，助力高效课堂实施。

UNIT 4　HUMOUR 单元典型句式结构讲解及对应练习 1[教材原句] The cat’s used to it and it’ll save me from having to get a dish. save sb from doing sth 句型 归纳 随堂练习 单句语法填空 ①Wear your helmet,and it can save your head from 　　　　　　　　　　(injure) once something unexpected happens.  being injured 随堂练习 [写美]一句多译·背诵 没有什么能阻止一颗坚定的心不断前进的步伐。 →②Nothing can ____________________________________continuously.  →③Nothing can _______________________________________________ continuously.  →④Nothing can ______________________________________continuously. (应用文之演讲稿)    save a determined heart from going forward stop/prevent a determined heart (from) going forward keep a determined heart from going forward 2.[教材原句] In order to have greater control over his work,Chaplin set up his own studio—United Artists—in Hollywood in 1917. in order to do 表示目的 归纳 (1)in order to do sth表示“为了做某事”,用以表示目的,此处的to do sth为动词不定式; (2)in order to do sth的否定形式为in order not to do sth; (3)后跟从句则用in order that,相当于so that; (4)so as to do sth也用以表示目的,和in order to do sth的用法相同,否定形式为so as not to do sth。但so as(not)to do sth一般不放在句首。 随堂练习 ①Remember to warm up before exercising in order__________ 　　　　　(injure) yourself during your workout.  ②In the 1950s,the Egyptian government wanted to build a new dam across the Nile in order 　　　　　　(control) floods,produce electricity,and supply water to more farmers in the area.  not to injure to control 随堂练习 [写美]句式升级·背诵 Always create a detailed study schedule in order to manage your time effectively and cover all required topics.(应用文之建议信) →③Always create a detailed study schedule ______________________________effectively and cover all required topics.  →④Always create a detailed study schedule _____________________________effectively and cover all required topics.  in order that you manage your time so as to manage your time 3.[教材原句] So now that we have established how important humour is to British people,what exactly makes them laugh? now that 引导原因状语从句 归纳 (1)now that...用以引导原因状语从句,表示“既然,因为”,相当于since,其中that常可以省略。 (2)英语中常见的能引导原因状语从句的有now that,since,as,because,in that,seeing that,considering that等。 随堂练习 ①　　　　　　 the project deadline is approaching,the team has been working extra hours to ensure everything is completed on time.  ②Now 　　　　　　the game is scheduled for early morning,the team is adjusting their training schedule to adapt to the timing.  Since　 that　 随堂练习 [写美]句式升级·背诵 ③My parents had a relaxing day since we children cleaned up the whole house early in the morning.(写作话题之家庭生活) →　　　　　　　　　　　　　 we children cleaned up the whole house early in the morning,my parents had a relaxing day.  Now that 4.[教材原句]After a moment，he looks back at the envelope but this time he looks surprised，as if he did not know it was there． as if/though引导方式状语从句 归纳 as if/though引导方式状语从句。若从句描述的情况发生的可能性很大，则用陈述语气。否则，须用虚拟语气。 ①当从句表示与现在事实相反的情况时，谓语动词用一般过去时(be动词一般用were)； ②当从句表示与过去事实相反的情况时，谓语动词用过去完成时(had＋过去分词)。 ◎as if/though还可用在seem，look等系动词之后引导表语从句。 随堂练习 ①Listen，the whistle of an ambulance！It seems as if there __ (be) an emergency． ②The teacher just stared at me as if he _________ (know) everything about the incident． ③I can remember our wedding as if it ________ (be)yesterday． ④The soldier opened his mouth as if he was ______ (say)something． is had known were to say 随堂练习 树林里很黑，似乎每一簇灌木丛后面都有一头凶猛的野兽。她越这样想就越害怕。 It was very dark in the woods．It seemed as if ______________________________behind every bush．The more she thought of this，the more frightened she was． there were a fierce beast 5.[教材原句]A famous art collector was walking through the city when he noticed a dirty cat lapping milk from a saucer in the doorway of a store． be doing...when... 归纳 be doing...when...正在做……这时…… be about to do...when...正要做……突然…… be on the point of doing...when...正要做……突然…… had (just) done...when...刚做完……这时…… 随堂练习 ①I had just gone to bed __________ the telephone rang． ②She was on the point of ____________ (open) the window when someone knocked at the door． ③I was about __________ (go) swimming when our guide saw me and shouted at me． when opening to go 随堂练习 ④校长正要离开办公室时，一个男孩突然冲了进来。 The headmaster ______________________________________suddenly a boy rushed in． was about to leave the office when 谢谢 $