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1、好好学习，天天向上时间：X年X月X日 主主+系系+表表 表语表语是对主语的是对主语的状态状态进行描述，说明进行描述，说明主语主语的的性质或者特征性质或者特征。 I am a teacher. 等同性描述等同性描述 The flower is beautifui. 形容性描述形容性描述系动词则是把表语和它的主语联系在一起的动词常用系动词归纳：表状态：表状态：be动词动词 （无意义，构句子）（无意义，构句子）表感官：表感官：look sound taste smell feel .表变化：表变化：grow fall turn get bacome.表保持：表保持：stand keep stay r
2、emain.表表象：表表象：seem appear.表结果：表结果：prove 其他系动词替换成be动词后，句子意思变化细微。 The milk goes bad. 这个牛奶变坏了。 The milk is bad. 这个牛奶是坏的。 核心不变，都是描述状态！ 注意：某些动词既是系动词又是实义动词the cake tastes delicious. taste 换成换成be动词。动词。The cake is delicious. 句义核心不变，这里句义核心不变，这里taste是系动词，尝起来是系动词，尝起来.The woman is tasting that cake. taste用的正在进行
3、时，用的正在进行时，taste为实义动词品尝，为实义动词品尝， 可以根据句意判断这里为动作。可以根据句意判断这里为动作。在复合句中，由一个句子充当表语成分，这个句子就是表语从句（跟在系动词后面的从句）1、that引导表语从句时不充当成分，无含义，通常不省略例例: The fact is that he doesnt realli try. The trouble is that I have lost his address. My suggestion is that we should tell him. My idea is that we should start making pre
4、paration right now.注意：如果主语是注意：如果主语是要求要求/建议建议/命令命令等词，表语从句用等词，表语从句用“should+动词原形动词原形”（should可以省略）可以省略）要要 要求：要求：request、requirement、insistence.建建 建议：建议：idea、advice、suggestion.命命 命令：命令：order、instruction.2、whether引导表语从句引导表语从句（不能用（不能用“ if ”）例：例：The question is whether the film is worth seeing. The doctors
5、doubt is whether she will survive.3、连接代词、连接代词who/whom/whose/what/which.引导表语从句引导表语从句例：例：The problem is who can get to replace her. The question is who(m) we should trust. His puzzle (困惑）困惑）is whose money it belongs to. My concern is what he really expects to get from us. What I want to kown is which
6、road we should take.4、连接副词、连接副词when/where/why/how.引导表语从句引导表语从句例：例：That was when I was fifteen. Thats where I first met her. Thats why I object (反对）反对）to the plan. The problem is how we can find him.5、as if / as though引导表语从句引导表语从句（常用虚拟语气）（常用虚拟语气）例：例：She looks as if she were hungry. It is not as thoug
7、h we were poor.6、because引导表语从句引导表语从句例：例：Thats because you cant appreciate(欣赏欣赏) music.She is very familiar with the film.This is because she has already seen the film.because的同义词的同义词since/as/for 不可以引导表语从句。不可以引导表语从句。表语从句的常见句型表语从句的常见句型be+that从句从句The fact /point /reality /chance is that.be+疑问词从句疑问词从句The question /problem is whether /when /where /why.The reason (why.)is that. 主语是主语是reason时，只能用时，只能用that引导。引导。It is because.+原因原因It is why .+ 结果结果My suggestion/advice/requirement/order/request is that +主语主语+（should) do sth. (常用于写作哦）常用于写作哦）谢谢观看书睿工作室