Unit 1 Science and Scientists Discover Useful Structures 表语从句课件-2023-2024学年高中英语人教版（2019）选择性必修第二册

Noun Clauses Predicative Clauses 1 The outdoor activity seems attractive. The boy remains puzzled. This is a diligent student. His job is to teach chemistry. 状态类：be 感官类：feel/look/sound/taste/smell 持续类：stand/remain/keep/stay 变化类：become/get/grow/turn/go/come/run/fall 似乎类：seem/appear 结果类：prove/turn out 是... 可以接表语从句系动词有： ......起来 保持... 变得... 似乎、好像... 结果是...;证明是... 可以接表语从句系动词有： predicative 表语是用来说明主语的身份、性质、品性、特征和状态。 The outdoor activity seems attractive. The boy remains puzzled. This is a diligent student. His job is to teach chemistry. What do the sentences have in common in their structures Conducting experiments is his job. Conducting experiments is what he does every day. 表语从句是指______________________, 紧跟在________之后，对主语进行解释、说明，使主语的内容具体化。 系动词 在句子中充当表语的从句 Find the predicative clause 表从的连接词 谢引 引导词 用法 从属连词 that 无成分，无意义 Whether 无成分，意为“是否” 连接代词 what, which, who, whom, whose, wh+ever 在从句中充当主语，宾 语，表语，定语 连接副词 how, when, where, why however, whenever, wherever 在从句中充当状语 其它连接词 because, as if ,as though 因为，好像，似乎 表语从句的引导词 表从中不用if 1. 从属连词that与whether that :在从句中不充当句子成分,无实际意义，一般不能省略。 The truth is that he has never been to the countryside. whether：起连接作用，意为“是否，究竟，到底”在从句中不充当任何成分。 The question is whether we can finish the experiment by tomorrow afternoon. 2.连接代词 连接代词 what, which,who,whom,whose 等除在句中起连接作用外,在从句中还充当主语、宾语、表语或定语,本身具有词义。 1.Tom is no longer what he used to be. 汤姆已不再是过去的他了。 2.The question is which of us should be in charge of the company. 问题是我们中的谁应该主管公司。 3.The problem is who is suitable for the position. 问题是谁适合这个职位。 4.The important thing is whose name should be put on the top of the list. 重要的是谁的名字应该放在名单的最前面。 What he wants to get is whatever you have. You can be whoever you want to be. 连接副词 where when why how除在句中起连接作用外;在从句中还分别充当地点、时间、原因、方式状语，本身具有词义。 1. That's where I can’t agree with you. 那就是我不能同意你的地方。 2.That was when he went to the grocery store. 那就是他去杂货店的时候。 3.This is why Sara apologised to me after the conference.