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课件网) Unit 1 Science and Scientists Discovering useful structures Predicative Clause Learning targets 1.Discover the regulation and learn to judge where the predicative clause is . 2.Be familiar with the linking verbs and try to tell their functions. 3.Be able to choose the linking verbs correctly and then use them fluently. The person stood in front of you just now is headmaster. The door remained closed. The house looks old. predicative linking verb subject+linking verbs+ predicative predicative linking verb predicative 1. The definition of predicative clause. The question is who will do it. The question is difficult. 在复合句中充当表语的从句叫表语从句。位于主句的系动词之后，对主语进行解释、说明，使主语的内容具体化。表语从句必须用陈述语序。 （ 表 ） （ 表 ） 表语从句 2. The structure of predicative clause. 主语 + 系动词 + 引导词 + 简单句 This is why he did it. e.g.What I want to say is that I am tired. 表语从句 系动词的分类 1.感官类系动词（sound, look, taste, smell, feel) 2.变化类系动 (get, fall, grow, turn, go, become…) 3.be动词 (am, is, are, was, were) 4.保持类系动词（keep, remain, stay） 5.似乎类系动词（ seem, appear ） 6.证明类系动词（prove, turn out) 表语从句的判断 系动词后的成分为表语。系动词后的从句为表语从句。 The fact was that he had forgotten about it. Everything remained as it used to be in this room. She looks as if she were ill. The trouble was whether we could manage it ourselves or not. The problem is not who will go, but who will stay. This is how they overcame the difficulties. He missed the lecture. It was because his flight was delayed. Predicative Clause Activity 1： Underline the linking verbs. 1) In general, doctors in those days had two contradictory theories to explain how cholera spread. One theory was _____ bad air caused the disease. Another was _____ cholera was caused by an infection from germs in food or water. (Para. 2) 2) What is more, in another part of London, a woman and her daughter had died of cholera after moving away from Broad Street. It seemed _____ the woman liked the water from the pump so much that she had it delivered to her house every day. (Para. 3) that that that Activity 2：合作探究 3) The question is _____ we can rely on him. He often tells lies. 4) The question is _____ we can finish the task on time, for we have only three days left. whether whether Summary1: that ____ 意义，在表语从句中 _____ 成分,起_____ 作用，_____ 省略。 连接词whether起 _____ 作用，意为“_____”，在句中也不作任何成分（注意：if _____引导表语从句)。 连接 是否、究竟、到底 不能 无 不充当 连接 不能 1) China is no longer _____ she used to be. 2) The question is _____ of us should come first. (我们两个中的哪一个) 3) The problem is _____ is really fit for the hard job. 4) The important thing is _____name should be put on the top of the list. what which who whose Summary2: 连接代词 what, which, who, whom, whose 除在句子中起 _____ 作用外，还可在从句中作 _____、_____ 或 ____ ... ...
