Unit 2 Section Ⅱ Using language（课件PPT）-【优化指导】2024-2025学年新教材高中英语选择性必修第三册（外研版2019）

UNIT 2　A life 's work (单元主题语境：人与自我——工匠精神) Section Ⅱ　Using language 表语从句 [观察] 1．This devotion and hard work is what we see reflected within his photos. 2．This is what makes them so special. 3．A simple restaurant was where he usually had the same meal of sausages，eggs and coffee. 4．Bill Cunningham was an observer，and not one of the observed，a worker not a star—and this was how he wanted it. UNIT 2　A life 's work 英语　选择性必修　第三册　W 返回导航 [探究] 1．句1、2中黑体部分在句中作表语，称为____从句，由连接代词____引导，在句1中作_____；在句2中作____。 2．句3、4中表语从句分别由连接副词_____和___引导，它们在从句中作_____，分别表示____和____。 表语 what 宾语 主语 where how 状语 地点 方式 UNIT 2　A life 's work 英语　选择性必修　第三册　W 返回导航 1．表语从句的引导词有哪些？ _____________________________________________________________________________________________________________________________ 2．表语从句中存在使用虚拟语气的情况吗？ _____ 表语从句的引导词有连词that、whether等和连接代词which、who、whom、whose等以及连接副词when、why、where、how等。 存在。 UNIT 2　A life 's work 英语　选择性必修　第三册　W 返回导航 在复合句中作表语的从句叫表语从句，说明主语是什么或者怎么样。含表语从句的复合句的一般结构是“主语＋系动词＋表语从句”。可接表语从句的系动词有be、look、seem、sound、appear等。 表语从句的引导词有连接代词who、which、what、whatever等；连接副词how、why、when等；从属连词that、as、whether等；以及as if、as though、because等连词。 UNIT 2　A life 's work 英语　选择性必修　第三册　W 返回导航 一、由连接代词引导的表语从句 [感知] 1．The turning of the earth on its own axis is what makes the change from day to night. 地球的自转是昼夜交替现象产生的原因。 2．Times aren't what they were. 时代不同了。 UNIT 2　A life 's work 英语　选择性必修　第三册　W 返回导航 3．The question is which of the units we choose to be the fundamental one. 问题是我们选哪一个作为基本单位。 4．What I want to know is whose bag was lost. 我想知道谁的包丢了。 UNIT 2　A life 's work 英语　选择性必修　第三册　W 返回导航 [探究] 句 功能意义 1 what引导表语从句，在句中作____ 2 what引导表语从句，在句中作____ 3 which引导表语从句，在句中作____ 4 whose引导表语从句，在句中作____ 主语 表语 宾语 定语 UNIT 2　A life 's work 英语　选择性必修　第三册　W 返回导航 [归纳] 连接代词who、what、which、whom、whose、whatever等引导表语从句时，除连接主从句外，还在从句中充当成分，可作主语、宾语、表语或定语，连接代词不能省略。 UNIT 2　A life 's work 英语　选择性必修　第三册　W 返回导航 二、由连接副词引导的表语从句 [感知] 1．This is where our basic interest lies.(地点状语) 这就是我们的根本利益所在。 2．That's why we decided to put the meeting off.(原因状语) 那就是我们决定推迟会议的原因。 3．The question is how the people can find an effective way to store the sun's heat.(方式状语) 问题是人们如何才能找到一种有效的方法来储存太阳的热量。 UNIT 2　A life 's work 英语　选择性必修　第三册　W 返回导航 [归纳] 连接副词when、where、why、how等除引导表语从句外，还在从句中充当状语，可表示时间、地点、原因、方式等。 UNIT 2　A life 's work 英语　选择性必修　第三册　W 返回导航 三、由连词引导的表语从句 [感知] 1．Your greatest fault is that you are careless. 你最大的毛病是粗心。 2．The point is whether we ought to recommend him. 问题是我们是否应该推荐他。 3．The meat tastes as if/though it has already gone bad.(陈述语气) 这肉尝起来似乎已经坏了。 UNIT 2　A life 's work 英语　选择性必修　第三册　W 返回导航 4．The old man looks after his eagle as if she were a baby.(虚拟语气) 这位老人像照料婴儿一样照料他的鹰。 5．This is because the earth travels around the sun. 这是因为地球绕着太阳转。 6．That is why today over 40% of Californians speak Spanish as a first or second language. 那就是如今超过40%的加利福尼亚人把西班牙语作为第一或第二语言的原因。 UNIT 2　A life 's work 英语　选择性必修　第三册　W 返回导航 [探究] 句 功能意义 1 that引导表语从句，__意义 2 whether引导表语从句，__意义 3、4 as if/though引导表语从句分别用了____语气和____语气 5 because引导表语从句，表示____ 6 why引导表语从句，表示____ 无 无 陈述 虚拟 原因 结果 UNIT 2　A life 's work 英语　选择性必修　第三册　W 返回导航 [归纳] 1．that和whether引导表语从句时，在从句中不充当成分。 2．as if/though引导表语从句时，从句中的谓语动词可用陈述语气，也可用虚拟语气。 UNIT 2　A life 's work 英语　选择性必修　第三册　W 返回导航 四、表语从句与虚拟语气 [感知] 1．The doctor's advice was that you (should) give up smoking. 医生建议你戒烟。 2．Our demand is that you (should) finish the work as quickly as possible. 我们的要求是你们尽快完成这项工作。 UNIT 2　A life 's work 英语　选择性必修　第三册　W 返回导航 [归纳] 当主语中含有suggestion、advice、order、demand、requirement、request 等时，表语从句用虚拟语气，谓语动词用“(should＋)动词原形”结构。 UNIT 2　A life 's work 英语　选择性必修　第三册　W 返回导航 [即练] 单句填空/完成句子 1．It is commonly believed that school is _____ people go to get education. 2．The problem is _____ experiment we should do first. 3．Raw material is ____ we are badly in need of. 4．What I want to know is _____ watch it is. 5．What I advise is that you ___________(go) at once. 6．I broke her favourite glass by accident.That's ___ she got angry with me. 7．I'm a bit sleepy.It's _______ I was up all night. where which what whose (should) go why because UNIT 2　A life 's work 英语　选择性必修　第三册　W 返回导航 8．My question is ___ I shall get in touch with him when I arrive in Beijing. 9．What I was uncertain about was _______ we could overcome the difficulties all by ourselves. 10．One of the advantages of electric power is ____ it can be transmitted over long distances very easily. 11．命令是连队立刻过河。 The order was that the company ________________________ at once. how whether that (should) cross the river UNIT 2　A life 's work 英语　选择性必修　第三册　W 返回导航 12．这就是他克服所有英语学习障碍的方法。 That's ________________________________________ in learning English. 13．他们一点没变，还和从前一样。 They remain unchanged.They are ____________________． 14．她胃疼，所以只吃了一点儿东西。 She had a stomachache.___________ she ate so little. 15．当时，我似乎想不出合适的词。 At that time，it seemed ________________________________________． how he has overcome all the difficulties what they used to be That is why as if I couldn't think of the right word UNIT 2　A life 's work 英语　选择性必修　第三册　W 返回导航 用适当的连接词补全短文 I don't know 1._______ you have noticed that some students don't walk or take a bus to school.2.____ we can see is that their parents drive them to school every day.But 3.____ we should realize is 4.____ the air is seriously polluted.Do you know 5.____ we can do about it？I think it important that we should take action right now.Here I have a suggestion 6.____ we ride on our bikes to school！This will not only have significant benefits for our health，but also help improve our environment.For those who live far away from school，my advice is 7.____ they take a bus.Whether we will have a better environment depends on 8.____ we can do for ourselves and for nature. whether What what that what that that what UNIT 2　A life 's work 英语　选择性必修　第三册　W 返回导航 课时梯级训练(六) 谢 谢 $$