Unit 3 Discovering useful structures Language Points （ppt课件）-2022新人教版（2019）《高中英语》必修第一册.pptx

1、Unit 3 Sports and fitnessDiscovering Useful StructuresLanguage points课前准备：课本，学案。积累本，双色笔课前背诵：Reading短语及单词用法All sports for all people.Pierre de Coubertin1.Nobody says a word about the incident,_?2.There is not much news in todays paper,_?3.The manager came here in a car,_?4.She must have arrived there

2、 yesterday,_?5.What a lovely day,_?6.Let me do it,_?7.Nothing he did was right,_?8.There used to be a church behind the cemetery,_?does he/do theyis theredidnt hedidnt sheisnt itwill youwasnt itusednt there9.He must be in the library now,_?10.You are not a new member,are you?_.I joined only yesterda

3、y.11.My sister often needs help with her study,_?12.Youd better send for a doctor for your mother,_?13.Lets go swimming,_?14.I have nothing to do with the matter,_?15.He was in good heath when I saw him last time,_?16.The man in blue must be your brother,_?isnt heyes,I am.doesnt shehadnt youshall we

4、do Iwasnt heisnt he1.function n.C,U作用，功能，职能 vi.起作用，运转 课文原句：What functions do the tag questions have?(1)n.C,U作用功能.职能 搭配：e.g.The teacher explained the words grammatical function in detail.Computers can fulfill an important function if used properly.(2)vi.起作用，运转e.g.Despite the power cuts,the hospital c

5、ontinued to function normally.搭配：Ex.(1)The _of the heart is to pump blood through the body.(2)The sofa _ _ a bed at night.perform/fulfill a function 发挥功能;履行职责perform/fulfill a function发挥功能;履行职责function as.起.作用；具有.功能function function as 2.join v.成为.的一员，参加，加入vt.参与，加入到.之中，与.一道去e.g.I joined the company

6、three years ago.我三年前进了这家公司。They are going to join in the English speech contest.他们将参加英语演讲比赛。搭配：拓展 辨析join,join in,take part in与attendjoin in(doing)sth.参加/加入某项活动join sb.in(doing)sth.加入某人(做)某事，跟某人一起做某事易混词(组)区别join 通常指加入某个组织、团体、军队等，成为其中的一员，其宾语往往the army/party/team/club等join in 指参加某种活动,其宾语一般是表示竞赛、娱乐、游戏等活

7、动的名词take part in 指参加会议、比赛或集体性活动，并在其中发挥一定的作用。part前有修饰语时，要加不定冠词a/an。take part in有时可与join in互换attend 正式用语,常指参加会议、学术活动、仪式、典礼等，还可表示“上学、上课、听报告”等 Ex.(1)I invite him to_ _ _ the debate.我邀请他参加我们的辩论。（2)Im sure youll all _ _ _wishing Jason and Emma a very happy e along 课文原句：Can you come along and join us?你愿意过来

8、加入我们吗?(1)跟随，跟着来Come along with me.Im going that way,too.(2)到达，抵达，出现 Theres a big press launch today and youre most welcome to come along.(3)进步，进展Your French has come along a lot recently.(4)(用于命令)赶快，加把劲Come along!Were late.快点!我们迟到了。Join us in Join me in 拓展 come构成的其他常用短语:come about发生come out(太阳、月亮或星星

9、)出现；开花；出版；为人所知；显示come across(偶然)遇见，碰见；被理解，被弄懂come over短暂造访；从.来come up长出地面;被提及；(太阳)升起；即将发生（或出现、到来）come to达到；共计，总共；被想出；苏醒come up to走近；达到(认可的水平或标准)come true(希望、愿望等)实现，成为现实(不能用于被动语态)Ex.(1)When the right opportunity _ _,she will take e along 4.if引导宾语从句e.g.(P40)Lets ask Xia Lei if she wants to join a team

10、.句式剖折：本句为复合句，句中if表示“是否”，引导宾语从句，做ask的直接宾语。考点提炼：if引导宾语从句，译为“是否”。Tony doesnt know if Judy likes him.托尼不知道朱蒂是否喜欢他。拓展 whether和if的用法区别:(1)if作“如果”讲时，可引导条件状语从句，而whether不能。(2)if作“是否”讲时,可引导宾语从句，与whether同义，做动词宾语时可以互换。口语中常用 if.I wonder if/whether I can catch the last bus.(3)但遇到下列6种情况时，只能用whether,不能用if。宾语从句中有or

11、not 时:I dont know whether its raining or not.宾语从句放在介词后面时:It depends on whether he is coming.为了强调而将宾语从句置于主句之前时:Whether he lives here,I want to know.使用if有可能出现歧义时:Let me know whether you can come.引导discuss的宾语从句时:They discussed whether the bridge should be built.和不定式连用时:He doesnt know whether to accept

12、the invitation.(1)P40课文原句：Read the conversations below and underline the tag questions and their answers.句式成分剖折：below为副词，作为conversations的后置定语。(2)P40课文原句:That sounds interesting,doesnt it?句式成分剖折：sounds 为半系动词，sounds interesting为系表结构。(3)P40课文原句:Its a beautiful day,isnt it?今天天气真好，不是吗？句式剖折：此句为升调。(4)P40课文

13、原句:Ive got to meet my adviser.我得去见我的顾问句式成分剖折：have got to=have to,译为“不得不”(5)Its a beautiful day,isnt it?此句为前面肯定，后面否定。Its not going to rain,is it?此句为前面否定，后面肯定。(6)P40课文原句:Its time for badminton class.句式成分剖折：(7)P40课文原句:Oh,no,hes right behind me.句式成分剖折：right 为adv.,译为“正好，恰好”。(8)P40课文原句:Yes,it is.They need

14、 some volunteers,dont they?句式成分剖折：其中need为使役动词，不是情态动词，所以后半句用dont they.Its timefor s.th.that sb.should do s.th.(其中should 不可省略)I.单句语法填空(1)-Im really amazed at the _(function)of smart phones.-So am I.We can surf the Internet,watch movies and listen to music.(2)This big room used to function _a meeting r

15、oom and now becomes our library.(3)Do you know _ hes married?(4)The limits of a persons intelligence,generally speaking,are fixed at birth,but _he reaches these limits will depend on his environment.functions as if whetherII.单句写作(1)In summer,this fridge doesnt _(运转良好).(2)As a leader,you must _(履行你的职

16、责).(3)I _（偶然遇见）an old friend at the party last night.(4)Many a quarrel has _（发生）through a misunderstanding.(5)The truth is beginning to _（为人所知）about what happened.(6)The subject didnt _（被提及）in the conversation yesterday.(7)_（跟随）with me and Ill show you the booking office(售票处）。(8)Despite the power fa

17、ilure,the hospital continued to _ （运转正常）。function well perform/fulfill your functioncame across/encounter come about come out come upCome along function normallyIII.选词填空(1)Please _them in lighting a candle today for all the babies and children of the world.(2)I was busy,but my classmates insisted th

18、at I _their game.(3)Jim will _the lecture which is to be given by Professor Wang.(4)They flew there in order that they might be in time to _the opening ceremony.(5)Linda _a dance company which took her around the world.join injointake part inattendJoin (should)join in/take part inattend attendjoined