Unit2 Learning about Language 课件-2023-2024学年高中英语人教版（2019）选择性必修第二册

Review 表语从句:在句子中充当_____的从句 判断：位于________后 表语 系动词 连接词1. 2. 3. 从属连词:that,whether,as if ,as though,because 连接代词:who,whose,what,which,whoever,whatever,whichiever 连接副词:when,where,why,how 表从结构： “主+系动词+表语从句” 可接在表语从句后的系动词有： be动词:am,is,are 表象系动词：seem, appear, 持续性动词：keep, remain, stay... 感官类：look, smell, taste, sound, feel... 变化类: become, get, turn, grow, fall，go... 终止系动词：prove，turn out 名词性从句 目标 1.掌握名词性从句的连接词 2.能正确运用连接词 定义 是在句子中起名词作用的句子，功能相当于名词(词组)，它在复合句中可作主语、宾语、表语和同位语，因此名词性从句又可分为：主语从句，宾语从句，表语从句，同位语从句 判断 主语从句:一个句子中的主语由句子充当，多位于谓语动词之前，或用it作形式主语，主语从句后置。 宾语从句:一个句子中的宾语由句子充当，位于动词或介词之后。 表语从句:一个句子中的表语由句子充当，位于系动词后。 同位语从句:位于抽象名词(news,fact,story,truth,notice,evidence,hope,wich.suggesstion,proposal,idea,rumor,idea)之后，说明该名词的具体内容 即学即练 识别下列句子中的名词性从句并注明类型 1. That the earth turns around the sun is known to us all. 2. Whether the sports meeting will be held as planned depends on the weather. 3. What he wants to know is which dress she should buy. 4. That was why he didn't pass the exam. 5. He asked me whose handwriting is the best. 6. He is pleased with what you have done. 7. Whether the plan can be carried out depends on whether the manager will agree to it. 名词性从句的连接词 单纯连接词: that 不作成分；没有含义 whether 不作成分；有含义 if 不作成分；有含义(只用于宾语从句，不与or not连用) because 不作成分；有含义(只引导表语从句) as if/though 不作成分；有含义(只引导表语从句) 连接代词: what,which,who,whose,whatever,whichever,whoever在从句中作主语或宾语，偶尔作表语，whose也可作定语 连接副词:when,where,why,how 主语从句 连接词:that, whether, if 连接代词:what, which, who, whom, whose, whatever,whichever, whoever, whomever 连接副词: when, where, why, how, whenever, wherever 1.that 引导的主语从句 (1)that 在主语从句中不充当成分，也没有含义，但不能省略。 That the messenger was occupied with his work all day long made his wife annoyed.这个信使整日忙于工作，这让他的妻子很恼火。 (2)当that 引导的从句作主语时，为避免头重脚轻，使句子平衡，常用it作形式主语，而将主语从句后置。常用 it作形式主语代替that 从句的句型有以下几种： ①It+be十名词(短语）(no wonder /the case/an honour/a pity/a good thing/no surprise/a truth/a shame/...) + that.. eg:It is a truth that theory comes from practice.理论来自实践是条真理。 ②It +be+形容词(