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课件网) Unit 2 Bridging Cultures Discovering Useful Structures 人教版2019选择性必修第二册 Learning Objectives Master the definition, types and connecting words of noun clauses. Grasp the word order and subject-verb agreement rules of noun clauses. Apply noun clauses correctly in sentence combination and writing. Lead-in： 他们要去和人打架。 他们要去和人打架，但是我不知道为什么。 我想知道他们要去和谁打架。 英语句子三大分类： I wonder whom they are going to have a fight with. They are going to have a fight with someone, but I don’t know why. They are going to have a fight with someone. 简单句：S V = 1 并列句：S V ≧ 2且由并列连词连接 复合句：S V ≧ 2且由从属连词连接 并列连词：并列连词主要是用来表示并列关系、转折关系、选择关系、因果推理关系等。 and , but, or, so , both... and, as well as, neither ... nor 从属连词： that, which, what, when, where, why, how, whether, if, because, since, although, whatever, however. Lead-in： 句子 类型 简单句 并列句 复合句 主句 从句 形容词性从句 (定语从句) 名词性从句 副词性从句 Lead-in： 名词性从句 noun clause 主语从句 subject clause 宾语从句 object clause 表语从句 predicative clause 同位语从句 appositive clause 从句一律保持陈述语序 Observe and Discover： 什么是名词性从句？ 名词性从句在句子中充当名词，可作主语、宾语、表语、同位语或介词宾语。通俗来讲，句子的哪个部分可以用名词来充当，哪个部分就可以变成相应的名词性从句，所以名词性从句就包括了主语从句、宾语从句、表语从句同位语从句。它们有下列相同之处: 连接词相同 从属连词: that, whether, if, as if, as though, because等 连接代词: who, what, whose, which, whom, whoever, whatever, whichever, whomever等 连接副词: when, where, why, how, whenever, wherever等 引导词的使用规则 1.连词 （不充当成分） that ：无词义，可省略（仅限宾语从句），但主语/表语/同位语从句中不可省略 whether/if ：表示“是否”，仅限宾语从句，主语从句中可用that替代.多用于否定句和疑问句，从句作主语、表语或介词宾语时不可省略 2.连接代词 what（作主语/宾语）、who/whom（作主语/宾语）、whose（作定语）、which/whatever（作主语/宾语） 3.连接副词 when/where/why/how（作状语） 比较：whether与if 均为"是否"的意思。 但在下列情况下，whether 不能被if 取代： 1. whether引导主语从句并在句首 2. 引导表语从句 3. whether从句作介词宾语 4. 从句后有"or not" Whether he will come is not clear. Observe and Discover： 1. 什么是主语从句 What I can see is... What can you see in the picture What I can see is a face of an elderly woman. What I can see is a sight of a beautiful girl’s back. 定义：在句子中_____的从句就叫做主语从句。 充当主语 That he will pass the exam is certain. Whether he will pass the exam is uncertain. Who will go makes no difference. What we need is more time. Which book I shall choose hasn’t been decided. 找出下列句子中的主语从句 思考： 主语从句的连接词有哪些？分别有什么功能？ Observe and Discover： What is the function of each noun clause in the sentences 1. What seemed strange before now appears quite normal to Xie Lei. 2. What surprised Xie Lei was ... ...
