Unit 1 Science and Scientists Discovering Useful Structures 导学案-2025-2026学年高中英语人教版选择性必修第二册

该高中英语导学案聚焦选择性必修2 Unit 1表语从句语法点，通过回顾系动词分类（状态、感官、变化类）搭建学习支架，衔接表语概念，引导学生逐步掌握表语从句的连接词用法及判断方法，构建从已知到未知的知识脉络。 资料以结构化表格呈现连接词分类及例句，结合特殊句式、虚拟语气等注意事项设计梯度练习，助力学生系统理解语法规则，提升语言能力（准确运用表语从句）和思维品质（分析从句结构），培养学习能力（通过练习巩固语法学习策略）。

莆 田 锦 江 中 学 集 体 备 课 活 动 记 录 第 ___ 周 ______ 科 _______ 年段 备课时间 年 月 日 星期___上（下）午第 节 主备人 备课组教师签名 导 学 案 研 讨 记 录 选择性必修2 Unit 1 Science and Scientists Period 2 Discovering Useful Structures Learning aims 1. To learn the structure of predicative clause. 2. To know how to judge the predicative clause. 3. To master the conjunctions of predicative clause. Procedures Step1. 回顾： 系动词的分类 1 状态类：be动词，seem, appear, keep, remain, stay… 2 感观类：look, smell, taste, sound, feel… 3 变化类：become, get, turn, grow, fall, come, go… Step 2. 表语概念： 表语从句放在系动词（也称连系动词）之后，充当复合句中的表语，说明主语是什么或者怎么样。一般结构为“主语+系动词+表语从句”。 Step 3. 表语从句 1. 连接词 类别 连接词 例句 从属连词 that不作句子成分，也没有意义，通常不可省略 My suggestion is that you should have patience. 我的建议是你应该有耐心。 whether 不作句子成分，但有“是否”的意义，一般不用if代替 The question is whether we can cut down the costs of the product. 问题是我们能否降低产品成本。 because, as if/through等 He has to watch his weight.That is because he has heart disease.他不得不注意自己的体重，那是因为他有心脏病。 It sounds as if someone is knocking at the door. 听起来好像有人在敲门。 连接代词 who, whom, whose, what, which, whoever, whatever, whichever等。在从句中作主语、宾语、表语或定语 The problem is who can complete the difficult task. 问题是谁能完成这项困难的任务。 This is just what we are always looking forward to. 这正是我们一直盼望着的。 连接副词 when, where, why, how等。在从句中作状语 That is where he was born and brought up. 那就是他出生和被养大的地方。 Their difficulty is how they can clear their debts. 他们的困难是怎样才能还清债务。 2. 需要注意的问题 ① as if/though 引导的表语从句的语气 as if/though 引导的表语从句常置于连系动词look, seem, appear, sound, feel 等后。若表述真实的情况，就用陈述语气；若表述与客观事实相反的假设，则用虚拟语气。 It seems as if he benefits a lot from the project. 看起来好像他从这个项目中获益不少。 (陈述语气） It looks as if/though he were drunk. 他看上去好像喝醉了。 (虚拟语气） ② 表语从句的特殊句式 The reason why. . .is that. . . ……的原因是····· (that引导表语从句） This/That/It is because . . . 这／那是因为······ (because引导表语从句） This/That/It is why . . . 这／那就是······的原因。 (why引导表语从句） The reason why he didn't come is that he didn't receive the invitation. 他没来的原因是他没有收到请柬。 The woman was weeping bitterly. That's because her son was drowned in a river. 那位女士痛哭流涕，那是因为她的儿子在河中溺亡了。 (先果后因） The woman's son was drowned in a river. That's why she was weeping bitterly. 那位女士的儿子在河中溺亡了，那是她痛哭流涕的原因。 (先因后果） ③ 表语从句中的虚拟语气 主语是表示“建议、命令、要求”的名词，如 suggestion, advice, proposal, order, command, request, requirement, demand 等时，表语从句应使用虚拟语气，即从句谓语用“should+动词原形”，should可以省略。 My suggestion is that we (should) set off early tomorrow. 我的建议是我们明天早点儿动身。 His order was that all boys gather quickly around the car. 他的命令是所有男孩子要速在汽车周围集合。 Step 4. Practice 1.He did not see the film.That is 　　　　　 he had to help his little sister with her homework.  2.What he wanted to know is 　　　　　 shirt this is.  3.What your father wants to know is 　　　　　 you are getting on with your studies.  4.China is becoming stronger and stronger.It is no longer 　　　　　 it used to be.  5.You are saying that everyone should be equal,and this is 　　　　　 I disagree.  6.America was 　　　　　was first called “India” by Columbus many years ago.  7.The most exciting moment in my life was　　　　　 I was given the first prize.  8.She’s been leading throughout the race,but it now looks as 　　　　　 she’s tiring.  9.What Tom’s parents really doubt is 　　　　　 he will recover from the serious disease soon.  10.The reason he gave for his being away for such a long time is 　　　　　 his mother was ill.  Step 5. Homework 1. Review the rules of the grammar of this unit. 2. Finish the exercises on the workbook. 5 学科网（北京）股份有限公司 $