专题01 表语从句【考点串讲】-2024-2025学年高二英语下学期期中考点大串讲（外研版2019）

高二下学期·期中考点串讲 表语从句 外研版 目 录 CONTENT 表语从句含义&构成 接表语从句系动词 表语从句引导词 表语从句用法 2 3 4 1 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。 The door remained closed. The pillow feels soft. My job is to teach you English. 总结： 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。用_______语序。 构成：___________________________。 从句在句子中充当表语 系动词 陈述 主语+系动词+引导词+简单句 The problem is how we can get the things that we need. Guidance and exploration 主语 系动词 表语从句 Linking Verbs 系动词 be动词 感官类 变化类 am, is, are, was, were look, sound, smell, taste, feel, seem 变得：become, get, turn, grow; 保持：keep, hold, stay, stand, remain; 可以接表语从句系动词有： 表象/终止类 似乎：seem, appear； 结果：turn out，prove 引导词 Conjunction words 引导词 用法 从属连词 that 无成分，无意义 whether(无if) 无成分，意为“是否” because 无成分，意为“因为” as if/as though 无成分，意为“好像，似乎” 连接代词 what,which,who,whom, ...+ever, whose 在从句中充当主语，宾语，表语，定语 连接副词 how, when, where, ...+ ever, why 在从句中充当状语 that引导表语从句时无任何意义，不作任何成分，只起连接作用，通常不能省略。whether意为“是否”，不作任何成分，起连接作用。（注意：if不能引导表语从句） (1)从属连词: that & whether 1. The most important thing is that we finish the final task. 2. The question is whether we can finish it in such a short time. (2) 连接代词: who, whom, whose, which, what, wh-ever 连接代词引导表语从句时，既起连接作用，又在从句中作主语，宾语，表语，定语等。 Eg: ①The problem is what is really necessary for our company.（what在从句中作主语） ② The key is who is responsible for this issue.（who在从句中作主语） ③The lesson I learned from this mistake is whoever comes to our company must register at the entrance.（whoever在从句中作主语） ④The biggest challenge we face is whom this trophy should be given to. （whom在从句中作宾语） (3) 连接副词：when, where, why, how... 连接副词引导表语从句时，除了起连接作用外，还在从句中充当成分，分别充当时间，地点，原因，方式状语。 ①The problem is how we can increase the varieties of our products. (how在从句中作方式状语） ② The most unforgotten day is when we went to his birthday party together. （when在从句中作时间状语） ③The right place is where you passed me a book yesterday. （where在从句中作地点状语） as if/as though,because等引导的表语从句常用于系动词look,seem,sound,be,become等后面： 若表示真实情况：用陈述语气 若表示非真实情况：用虚拟语气 because引导的表语从句常用于“This/that/it is /was because...”句型中。 Eg: ①It looks as if it is going to rain. ② It was reported that many kinds of birds were in danger.It was because their habitats were damaged . (4) as if/as though,because等引导的表语从句 若跟现在事实不符：过去式（be动词用were） 若跟过去事实不符：had done 若跟将来事实不符：would/could+动词原形 as if/as though 引导的表语从句的虚拟语气 The little boy talks as if he knew everything in the world. He felt as if he had met this young lady for a long somewhere. why 与 because 均可引导表语从句，但前者强调结果，后者强调原因 I had a cold. That’s why I didn’t come. 我感冒了，所以我没有来。 I didn’t come. That’s because I had a cold. 我没有来，因为我感冒了。 当句子的主语是表建议、要求、命令、计划等的名词时， 表语从句要用虚拟语气（should+do），should可省略。 建议:suggestion, advice, proposal, recommendation, idea, motion(提议), preference(偏爱) 要求:request, requirement, demand, insistence(主张), agreement(协议) 命令:order, command, instruction(指令) 安排:arrangement, decision, determination, resolution(决议), plan 1 ) My suggesstion is that we ______ (come) early tomorrow. 2) Her request is that we students _______ (study) hard. 3 ) My proposal is that we ____________early tomorrow. come study (should) start 1. My dream is _____ I can study archaeology at university, because I am interested in the past. 2. The reason why he was scolded was _____ he had made a serious mistake in the experiment. 3. Birds are kept in cages, but cages are not ______ they are meant to be. 语法专练 that that where 语法专练 4. I read a lot, I write regularly and I memorize new words every day. That is _____ I learn English. 5. The use of light and shade is ______ impresses me most about this famous painting. 6. The issue is ________ we should take part in the speech competition. 7. Tom had a terrible toothache and went to see the doctor. That’s _____ he had a day off yesterday. how what whether why 语法专练 8. The happiest time of my life is _____ I sit at the dinner table with my family at the end of the day. 9. My first impression of Mike’s essay was ____ it was off topic. 10. There are dark clouds in the sky. It looks ______________ it is going to rain when that as if/as though 感 谢 聆 听 外研版 $$