Unit 1 Section Ⅱ Discovering Useful Structures（Word学生用书）-【学霸笔记·同步精讲】2026-2027学年高中英语选择性必修第二册（人教版)

**基本信息** 以“形式—意义—使用”三维动态语法观为核心，通过“感知—归纳—应用—检测”分层递进设计，系统巩固表语从句引导词用法，兼顾基础夯实与高考衔接，提升语言运用能力与逻辑思维品质。 **分层设计** |层次|知识覆盖|设计特色| |----|----------|----------| |概念感知层|表语从句基本结构及引导词识别|通过短文实例标注加黑表语从句，直观呈现that/whether/what/where等引导词| |规则归纳层|引导词分类用法（从属连词/连接代词/副词）|结合高考真题（如2025浙江卷）归纳that无成分、whether表“是否”、as if虚拟语气等规则| |应用实践层|引导词语法填空与语境运用|设置单句填空（如“is _____ we can finish the task”）和完成句子（如“那是因为他帮妹妹做作业”），强化语法规则迁移| |综合检测层|表语从句单句与写作融合|单句语法填空（如reason句型）与写作应用（如建议信、求助信）结合，提升语篇层面语言组织能力|

Section Ⅱ　Discovering Useful Structures 表语从句 　　The fact was that Wendy was a famous writer①， but no one knew where she came from and the question remained whether she was born in 1961②．What they did know was that she was loved by poor people③ because she always helped whoever was in need of money．Despite this，some people thought she was chasing fame．Why they were so narrow－minded was what Wendy couldn’t understand④， but it seemed as if she didn’t care．The most important was that she just wanted to do everything⑤ that she thought was right．She thought that was where the meaning of life lay⑥． 1.短文中加黑部分都是表语从句。 2.①③⑤中的连接词that在从句中不作成分，本身也没有意义，只起连接作用。 3.②中的连接词whether在从句中不作成分，意为“是否”，不能换成if。 4.④中的连接代词what在从句中作宾语，意为“……的事情”。 5.⑥中的连接副词where在从句中作状语。 ——运用“形式—意义—使用”相结合的三维动态语法观 一、概念 在主从复合句中用作表语的从句叫作表语从句。它常位于系动词之后，用来说明主语是什么或怎么样。 二、表语从句的引导词 1.从属连词引导的表语从句 【先感悟】 ①（2025•1月浙江卷）The surprising thing is that there are likely more than five or six kinds of birds living together at each place． ②The most important thing is that we individuals should raise our awareness of environmental protection． ③The question is whether your parents will subscribe to your plan to travel to Xizang this summer holiday．（建议信） ④The issue is whether we should take part in the speech competition． ⑤When I helped someone in need， I felt as if my heart were filled with sunshine．（主旨升华） ⑥（外研选必四）Reading this book made me feel as if I’d been woken up from a long sleep and finally opened my eyes to the world! ⑦It looks as if it is going to rain． I need to rush to the classrooms whose windows are open． 【会发现】 （1）句①②中的　　　　　　引导表语从句，在从句中不作任何成分； （2）句③④中的　　　　　　均引导表语从句，在从句中不作成分，意为“　　　　”； （3）句⑤⑥中的as if引导表语从句，从句用　　　　　　；句⑦中的as if引导表语从句，从句用　　　　　　。 【善归纳】 （1）that引导表语从句的用法： ①无意义； ②不充当句子成分； ③不可省略。 （2）whether引导表语从句的用法： ①表“是否”的意思； ②不充当句子成分； ③不可省略； ④不能与if互换。 （3）as if/though引导表语从句的用法： ①常置于系动词seem、appear、look、taste、sound、feel等之后。 ②当说话者认为所述真实或极有可能发生时，as if从句用陈述语气；当说话者认为所述不是事实或发生的可能性不大时，从句用虚拟语气。用法如下： 若表示与现在事实相反的假设，从句谓语用一般过去时（be 用were）；若表示与过去事实相反的假设，从句谓语用过去完成时；若表示与将来事实相反的假设，从句谓语用“would/could/might＋动词原形”。　 【运用练】　单句语法填空/完成句子 ①（2025•北京卷）The good news is 　　　 there is evidence we can learn to change our own story． ②（2024•1月浙江卷）The most obvious advantage of online learning is 　　　　　 you can study anywhere and anytime． ③The good news is 　　　　　　 we Chinese are warm and friendly， so you needn’t worry too much about Chinese customs． （建议信） ④Our common concern is 　　　　　　 AI will take the place of human beings． ⑤昨天晚上他没去看电影。那是因为他不得不帮他的妹妹做作业。 He did not see the film last night． 　　　　　　　　　　　　 he had to help his little sister with her homework． ⑥第一次站在舞台上，他感觉仿佛所有目光都聚焦在他身上。 Standing on the stage for the first time， he felt 　　　　　　　　　　　　　　　　． 2.连接代词引导的表语从句 【先感悟】 ①The problem is who is willing to defend the suspect in court． ②A profound knowledge of aerospace science is what makes you stand out in the future interviews． ③The most important is who will be in charge of the evening party． ④The important thing is whose name should be put on the top of the list． 【会发现】 （1）句②中的what引导表语从句，在从句中充当　　　　，意为“所……的”； （2）句①③中的who引导表语从句，在从句中作　　　，意为“谁”； （3）句④中的whose引导表语从句，在从句中作　　　，意为“谁的”。 【善归纳】 连接代词who（ever）、whom（ever）、whose、what（ever）、which（ever）引导表语从句时，该类连接词在从句中作主语、宾语、表语、定语等。 【运用练】　单句语法填空/完成句子 ①I’d like to start my own business — that’s 　　　　　　 I’d do if I had the money． ②The following is 　　　　　　　 the applicant should do for the duration of the interview． ③The problem is 　　　　　　 we can get to replace her． ④最让我困惑的是我在选择专业时应该注意什么。（求助信） What puzzles me most is 　　　　　　　　　　　　　　　　 when choosing majors． 3.连接副词引导的表语从句 【先感悟】 ①The age of eight was when he started training in Peking Opera on a daily basis． ②（外研必修一）That is why when the stars are out， they are visible， but when the lights are out， they are invisible． ③The problem is how we can handle the difficult issue． ④That’s where the famous astronomer is wrong． 【会发现】 （1）句①中when引导表语从句，在从句中作　　　　，意为“何时”； （2）句②中why引导表语从句，在从句中作　　　　，意为“为什么”； （3）句③中how引导表语从句，在从句中作　　　　，意为“如何，怎么”； （4）句④中where引导表语从句，在从句中作　　　　，意为“在那个地方”。 【善归纳】 连接副词when、where、how、why引导表语从句时，除在句中起连接作用外，在从句中往往作时间、地点、方式、原因状语。 【运用练】　单句语法填空/完成句子 ①My problem is 　　　　　　 we can finish such a difficult task in three days．It’s simply impossible． ②The question is 　　　　　　 he can arrive at the hotel． ③You are saying that everyone has already had equal rights， and this is 　　　　　　 I disagree． ④那就是为什么英语有那么多令人困惑的复杂规则。 　　　　　　　　　　　　　 so many difficult rules that confuse people． 三、表语从句的注意事项 1.why和because引导表语从句的区别 【先感悟】 ①He always finds fault with me and that’s why I get angry with him． ②I get angry with him， and that’s because he always finds fault with me． ③The reason why I get angry with him is that he always finds fault with me． 【会发现】 （1）句②中的because引导表语从句时强调　　　　； （2）句①中的why引导表语从句时强调　　　　； （3）句③中的reason作主语或主语中包含事件的起因时，后面的表语从句表示原因时，该表语从句要用　　　　来引导。 【善归纳】 （1）That’s why ．．．意为“那是……的原因”，强调结果。 （2）That’s because ．．．意为“那是因为……”，强调原因。 （3）The reason why ．．．is that ．．．意为“……的原因是……”，此处why引导的是定语从句，that引导的是表语从句。 【运用练】　完成句子 ①她经常迟到。那是因为她有一个婴儿要照顾。 She often comes late．　　　　　　　　　　　 　　　 she has a baby to take care of． ②我没有及时答复的原因是上周末我和父母去旅行了。 　　　　　　　　　　　　　　　　　　　　　　 I went on a trip with my parents last weekend． 2.表语从句中的虚拟语气 【先感悟】 ①The most important advice is that you （should） read English books before and after the class． ②My proposal is that you （should） arrange for your assistant to deal with this matter． 【会发现】 以上表语从句的谓语形式是“　　　　　　　　　　　　　　　　　　　”。 【善归纳】 在表语从句中，表示间接的命令、要求、请求、建议、决定等，主句中的主语通常是advice， suggestion， proposal， request， order， desire， demand等，从句谓语形式是“should＋动词原形（should可以省略）”。 【运用练】　单句语法填空/完成句子 ①My suggestion is that a plan for study 　　　　　　　　 （make） at first． ②The doctor’s advice is that we 　　　　 （work） out regularly every day． ③为了保护环境，我的建议是我们应该过低碳生活。 To protect the environment， 　　　　　　　　　　　　　　　 　　　　　　 　　　　　　　　　　　　　　　　　　　　　． Ⅰ．单句语法填空 1.One advantage of living in the country is 　　　　　　 one can get close to nature． 2.What the doctors really doubt is 　　　　 my mother will defeat the serious illness． 3.The cultures of the East and the West are quite different from each other． This is 　　　　　　　 the cultural systems are separate． 4.He got caught in the heavy traffic． That was 　　 　　 he was late for the meeting． 5.The reason 　　　　　　 Kelvin made up for his absence was 　　　　　　 his car broke down on the way． 6.The little girl who got lost decided to remain 　　　　　　 she was and wait for her mother． 7.You always make the same mistakes in the exams．I think that is 　　　　　　 you are too nervous． Ⅱ．语法与写作 1.我非常高兴。这是因为我已在上周日举行的演讲比赛中获得一等奖。 I am wild with joy． 　　　　　　　　　　　　　　 　　　　　　　 　　　　　　　　　　　　　　　 held last Sunday． 2.这就是她毫不费力用英语与外国人交流的原因。 　　　　　　　　　　　　　　　　　　　　　　　　 　　　　　　　　　　　　　　　　 in English． 3.他既激动又紧张，感觉自己的心仿佛要跳出胸膛。 Excited and nervous， he 　　　　　　　　　　　　　　　　　　　　　　　　　　． 4.我接下来要说的是，我为自己在聚会上的行为感到抱歉。（2025•全国一卷） My next words were 　　　　　　　　　 the way I had conducted myself at the party． 5.与人相处时，尊重他人是我们应该重视的。 Respecting others is 　　　　　　　　　　　　 　　 when getting along with others． 完成课后作业　UNIT 1　Section Ⅱ 6 / 6 学科网（北京）股份有限公司 $ Section Ⅱ　Discovering Useful Structures 【单元语法•轻松过】 二、1.会发现　（1）that　（2）whether　是否　（3）虚拟语气　陈述语气 运用练　①that　②that　③that　④whether ⑤That was because　⑥as if all eyes were fixed on him 2.会发现　（1）主语　（2）主语　（3）定语 运用练　①what　②what　③who/whom ④what I should pay attention to 3.会发现　（1）时间状语　（2）原因状语　（3）方式状语 （4）地点状语 运用练　①how　②when　③where ④That is why English has 三、1.会发现　（1）原因　（2）结果　（3）that 运用练　①That’s because ②The reason why I didn’t reply in time was that 2.会发现　should＋动词原形（should可以省略） 运用练　①（should） be made　②（should） work ③my suggestion is that we （should） live a low－carbon life 【随堂检测•验成效】 Ⅰ．1.that　2.whether　3.because　4.why 5.that/which； that　6.where　7.because Ⅱ．1.This is because I have won the first prize in the speech competition　 2.This is why she has no difficulty （in） communicating with foreigners 3.felt as if his heart were about to jump out of his chest 4.that I was sorry for　5.what we should value 学科网（北京）股份有限公司 $