Unit1 Science and Scientists Discover Useful Structures 课件-2024-2025学年高中英语人教版（2019）选择性必修第二册

Period 2 Learning about language The Predicative Clauses Unit 1 Science and Scientists 1 Learning Aims 1. Enable the students to master the usage of predicative in this unit. 2. Enable the students to use the predicative patterns flexibly. 3. Train the students to apply some skills by doing the relevant exercises. 语法感知 感知以下课文原句，补全方框下的小题 1.One theory was that bad air caused the disease. 2.Another was that cholera was caused by an infection from germs in food or water. 3.The truth was that the water from the Broad Street pump had been infected by waste. The outdoor activity seems attractive. The boy remains puzzled. This is a diligent student. His job is to teach chemistry. His diarrhoea seems severe. The two policies are contradictory. This is a water pump. His job is to handle the problem. 表语是用来说明主语的身份、性质、品性、特征和状态的，表语常由名词、代词、数词、动词过去分词、动词的-ing形式、副词、介词短语、形容词、不定式和从句等来充当。 【归纳用法】 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： 表语从句之引导词 1. 从属连词that引导的表语从句 The fact is that he was lying. The reason is that they never give up. His suggestion is that we should tell him. One idea is that fish is the best brain food. that 仅起_______作用，______(有/无)词义，______(是/否)充当句子成分，通常________(能/不能)省略。 无 不能 不 连接 内容页 图表 面积图 9 1.从属连词whether 引导的表语从句 The question is if we can finish our work. The question is whether the film is worth watching. The doctor’s doubt is whether she will survive. whether起 _________ 作用，意为“_______”，在句中_________作成分。 (注意：if ______(能/不能)引导表语从句)。 连接 是否 不 不能 内容页 图表 面积图 10 3.从属连词as if/ as though/ because 引导的表语从句 It sounds as if / though someone is knocking at the door. She looked as if she had been hit by lightning. It seems as if she were mad. He did not see the film last night. That is because he had seen it before. as if/though 在从句中________(是/否)充当成分，意为“______________”;若表语从句所述的是非真实的情况，从句用_________(主句一般现在时，从句用_________时；主句过去式，从句___________时)；because在从句中_______(是/否)充当成分，意为“______________” 不 似乎；好像 虚拟语气 一般过去 过去完成 不 因为 表语从句的虚拟语气 一坚持（insist) 二命令（order, command) 三建议（advise, suggest, propose) 四要求（ask, require, request, demand) 当主句的主语是表示建议、命令、要求等后面的表语，那么表语从句应该用虚拟语气，即谓语动词用“should + 动词原形”，should可省略。 His suggestion is that she ________________(keep) quiet. My advice is that we _______________(ride) to the park. (should) keep (should) ride 内容页 图表 面积图 12 2. 连接代词what(ever), which, who(ever), whom(ever), whose等引导的表语从句 My hometown is no longer what it used to be. The problem is who we can get to replace her. The problem is whose work is the best. The question is what caused the accident, the poor whether or the heavy traffic? 连接代词在句中起_______作用，还在从句中还充当______、______、______、_______,______(有/无)意义，________(能/不能)省略。 连接 表语 宾语 定语 主语 有 不能 [即学即练]——用that, who /whom, what填空 1.The problem is _________ we can get to replace her. 2.(2024·浙江1月高考)If most of their customers are happy to buy larger quantities, that’s ________ they’ll promote. 3.The question is _______ caused the accident. 4.What gave you the idea______he’d be here? who/whom what what that 3. 连接副词when, where, how, why引导的表语从句 The problem is how we can find him. That is where I first met her. That's why I object to the plan. Thanksgiving is when people celebrate the harvest. 连接副词在句中起________作用,还在从句中充当_______, _______，______，_______状语，________(能/不能)省略。 连接 方式 地点 原因 时间 不能 内容页 图表 面积图 15 1. My belief is ______________I will succeed by working hard. 2. The most pleasant thing of the rainy season is ________one can be entirely free from dust. 3. The problem is ______________we can find them there. 4. You can be __________ you want to be. 5. The question is ____________ caused the accident. 6. The most important thing is ____________ responsibility it is. 7. This is ____________I don't agree with you. 8. The question is _______________we can get in touch with him. 9. That is _________ I got wet through. whether that that 【即学即练】使用合适的关系词补全句子。 whoever what whose why whether/how why when where why how what/whatever which/whichever who/whoever whom,whose... that,whether as if/as though because Summary 表语从句的引导词 从属连词 在从句中不作句子成分 连接代词 在从句中作主语、宾语、表语、定语 连接副词 在从句中作状语 Test for goals 1. This is________ I want. 2. My English is limited. This is_______I hate reading English books. 3. The village is_________I used to spend my holiday 4. He is my favorite singer. It is_________ I really love the way he behaves. 5. The trouble is _______we are short of funds. 6. My problem is________coat is suitable for me. 7. I'd like to start my own business---that's________ I want to do if I had the money. 8. What I want to know is______will support me. 9. He looked _________he were ill. 10. Please put the medicine on the top of the shelf. It’s _______our children can’t reach it. 11. The problem is ________we can find to finish this task. what why where because that which what who as if where who 【单句语法填空】 https://www.ypppt.com/ 18 Predicative clauses 表语从句 引导词 dreams 作用 说明主语是什么或者怎么样。 主语+系动词+表语从句(引导词+其他) 从属连词：_______,____________; 连接代词:______________________ _______________________________; 连接副词:________________________ ; 其他词:_________________________. what, who, whom, whose, which ... when, where, why, how... because, as if, as though ... that whether 结构 Ⅰ.Fill in the blanks. 1.The reason for your mistake is _______ you lack confidence in yourself. 2.The problem is __________ the air pollution can be controlled. 3.I don't like you. That is _________ you are so lazy. 4.That was ____________ we camped last time. 5.I'd like to start my own business --- that's _______ I'd do if I had the money. Exercise that whether because where what $$