Unit 2 Bridging Cultures Learning about Language Grammar 探究单（1） -2025-2026学年高中英语人教版选择性必修第二册

XB2U2 Discover useful structures探究单（1）答案 Step 1：主；表；系；宾；动词；介词；名词； 主语；表语；宾语；同位语；名词 Step 2：（1）陈述；主语从句；宾语从句；表语从句；同位语从句 （2） 不限；必过；一现 Step 3:（1）that；whether/if；who;what；who/whom；what;which/whose;when;where;why;how （2）is；单数；is；单数；are；复数；is；are Step 5：1.how 2.Whoever 3.when 4.what 5.why 学科网（北京）股份有限公司 $$ XB2U2 Discover useful structures探究单（1） Learning objectives： 1. To be able to mark subject clauses and predicative clauses 2. To learn to analyse the function of subject clauses and predicative clauses 3. To be able to use subject clauses and predicative clauses correctly Step 1：Lead-in What is noun clauses? 主语从句在复合句中充当____语； 表语从句在复合句中充当____语，一般在______ 后； 宾语从句在复合句中充当____语，且一般在_______ 或____后。 同位语从句一般在_____后，解释或补充说明该名词的内容。 从句、 从句、 从句和 从句在复合句中的作用相当于 词,因此这四种从句统称为名词性从句。 知识链接： Step 2：Observe and analyze 1.语序： 从句一律保持 语序（连接词+主语+谓语+其它） 1）What they are looking for is their missing dog. 从句 2）I just wonder how he got the important information. 从句 3）This school is where my mother worked forty years ago. 从句 4）There is no doubt that human activities caused global warming. 从句 2.时态的选择： 主现从 ，主过从 ，真理从 3. 连接词的类型： 1) : that, whether, if, as if, as though, because等 2) : who, what, whose, which, whom, whoever, whatever, whichever, whomever 3) : when, where, why, how, whenever, wherever等 Step 3：subject clauses 1. 连接词的选择：“缺什么补什么”原则 什么都不缺用_______，缺“是否”_______； 缺主语，指人用____，指物用_____ 缺宾语，指人用 ，指物用____； 定语用____________； 缺时间状语用______；地点状语用______；原因状语用_____；方式状语用_____； 2. 主谓一致 问题 1）Whether the patient will be taken ______ (be) unknown. 单个从句做主语，谓语大多数使用_______ 2）When and where the patient will be taken _____ (be) unknown. 由两个连接词引导同一个主从，谓动使用_______ 3）When the task can be finished and whether he can have a rest _____ (be) unknown. 主语为and连接的两个主从时，谓动使用______ 4）What he wants most ____ (be) staying with his family. What they need _______ (be) masks. what在主从中做宾语时，谓语的单复数取决于它后面的 。 注：★主语从句一律用__________语序，即主语在前，谓语在后。 Step 4：predictive clauses 1.as if/ though 虚拟语气的用法 2. 特殊句式 ① The reason why...is/was that... ……的原因是…… ② This/That/It is because... 这/那是因为…… ③ This/That/It is why... 这/那就是……的原因 Step 5：当堂检测 1. I think a point that many people lose sight of is easy it can be to fall behind schedule. (2024年浙江高考英语) 2. Members leave books on park benches and buses, in train stations and coffee shops. finds their book will go to the site and record where they found it. 3. The only opportunity she could seize to study was her brother was having Chinese lessons with the family tutor. (2024年全国高考英语甲卷) 4.If most of their customers are happy to buy larger quantities, that’s they’ll promote.（2024年浙江卷） 5.They also need to be ready to give interviews in English with international journalists. This is they need an English trainer.（2023年新高考II卷） 学科网（北京）股份有限公司 $$