1、Unit 1 Science and Scientists His diarrhoea seems severe.The two policies are contradictory.This is a water pump.His job is to handle the problem.What do the sentences have in common in their structures?表语是表语是用来说明主语的身份、性质、品性、特征和状态用来说明主语的身份、性质、品性、特征和状态的，表语的，表语常由常由名词、代词、数词、动词过去分词、动词的名词、代词、数词、动词过去分词、动词
2、的-ing-ing形式、副词、形式、副词、介词短语、形容词、不定式介词短语、形容词、不定式和和从句从句等来充当。等来充当。 His diarrhoea seems severe. The two policies are contradictory. This is a water pump. His job is to handle the problem.contradictoryTheory one: _caused by bad air Theory two: _caused by germs One theory was that bad air caused the disease
3、. The other was that cholera was caused by an infection from germs in food and water. _主语主语 系动词系动词 表语从句表语从句 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。从句在句子中充当表语从句在句子中充当表语系动词系动词1. 状态系动词：be 2. 感官系动词：feel , seem , look, appear ,sound, taste , smell 3. 持续系动词：stand , lie , remain ,keep, stay4. 变化系动词：become ,g
4、et , grow , turn , go , come, run, fall5. 终止系动词：prove, turn out 是.起来保持变得证明是.结果是.可以接表语从句系动词有：表语从句引导词的选择 The fact is _ inevitably she took out her frustrations on her son.Inevitably she took out her frustrations on her son. the factthat表语从句引导词的选择What I can see is _ the police are trained to defend the
5、mselves against attacks.The police are trained to defend themselves against attacks.what I can seethat表语从句引导词的选择The question is _ they could handle the problem.They could handle the problem.the questionwhether从属连词： that、whether (不能用if)1. My belief is _I will succeed by working hard.2. The most pleas
6、ant thing of the rainy season is _one can be entirely free from dust. 雨季最令人愉快的事情是完全没有灰尘。3. The problem is _we can find them there. whetherthatthatthat在从句中不做成分，也没有实际意义，但不可省略；whether也不能省略，意思为：是否。表语从句引导词的选择He failed in the exam. Thats _ he felt frustrated.He felt frustrated.He failed in the exam.why表语从
7、句引导词的选择He felt frustrated. Thats _he failed in the exam.He felt frustrated.He failed in the exam.because表语从句引导词的选择The question is _ she can transform her son into a strong-willed boy.She can transform her son into a strong-willed boy.the question ishow表语从句引导词的选择That is _ the jet took off.The jet too
8、k off.where表语从句引导词的选择What the authority wants to know is _ the fire broke out.The fire broke out.when连接副词： when、where、why、how1. This is _I dont agree with you. 这就是我不同意你的地方。2. The question is _we can get in touch with him. 问题是我们怎样才能和他联系上。3. That is _ I got wet through. 那就是为什么我被淋湿了。when、where、why、how引
9、导表语从句，在从句中作状语，表示时间、地点、原因、方式。wherehowwhy表语从句引导词的选择The most important thing is _ telescope can find the suitable planet to live in.The telescope can find the suitable planet to live in. whose表语从句引导词的选择What makes us curious is _ led to EDGs achieving fame.EDG achieved fame few days ago.what表语从句引导词的选择Fa
10、ce your fault bravely.whatThis is _ my mother has taught me - to face my fault bravely. 表语从句引导词的选择The question is _ was suspected of stealing the money.They suspected someone of stealing the money.who关系代词：who(ever)、whom(ever)、whose、what(ever)1. You can be _ you want to be. 2. The question is _ cause
11、d the accident. 3. The most important thing is _ responsibility it is. who(ever)、whom(ever)、whose、what(ever)在从句中作主语、宾语、表语、定语。whoeverwhosewhat表语从句引导词的选择The young man with long hair looks _ he were a girl.as if这个留长发的男生看起来像是个女的。表语从句引导词的选择He looks _ he had seen a ghost.as if他看起来好像见鬼了一样。表语从句引导词的选择Dark cl
12、ouds are gathering. It seems _ it is going to rain.as if看起来好像要下雨了。注意：as if/as though引导的表语从句如果是事实，就用陈述语气；如果与事实不符，就用虚拟语气。1. It sounds as if someone _ knocking at the door. (与事实相符)2. Tom likes to talk big as if he _ an important person. (对现在的虚拟，用一般过去时，be动词用were)3. He opens his mouth as he _ say somethi
13、ng. (对将来的虚拟，用would/could/might+do)4. He talked about Rome as if he _ there.(对过去的虚拟，用had done)iswerewouldhad been主语从句应使用_语序。 The question is how we can get in touch with him. The question is how can we get in touch with him. Rule 3陈述句陈述句探寻规律探寻规律1 1： 表语从句的语序表语从句的语序that引导表语从句时，是连词，在从句中不作成分；what是连接代词，引导
14、表语从句时，在从句中作主语、宾语或表语。1. The fact is _ we tend to make mistakes when we are nervous.2. This is _ I want to say.3. The trouble is _ she has lost his address.4.Perseverance is a kind of quality and thats _ it takes to do anything well.thatwhatthatwhat探寻规律探寻规律2 2 ： that / what that / what 1. I lost the g
15、ame. The reason was _ I underestimated my competitors.= The reason _ I lost the game was _ I underestimated my competitors. I lost the game. That was _ I underestimated my competitors.注意：名词reason作主语时，后面的表语从句表示原因时要用that引导，而不用because。探寻规律探寻规律3 3 ： the reason the reason 作主作主语语thatwhythatbecauseHe is to
16、 blame. Thats _he passed a slip of paper in class. = The reason is _.He is to blame.He passed a slip of paper in class. becausethat在表示建议、劝告、命令等含义的名词后的表语从句中，谓语动词用should动词原形should可以省略。1. My suggestion is that_ a discussion about this matter instead of just laying it aside. 我的建议是我们应当讨论一下这件事，而不应该只是把它放在一
17、边。2. The doctors advice is _more exercise. 医生的建议是我们应该多做运动。we (should) havethat we (should) take探寻规律探寻规律4 4 ： 表语从句的虚拟语气表语从句的虚拟语气一 “坚持” 二 “命令” 三 “建议” 四 “要求”insistorder/ commandsuggest/ advise/ recommendrequest/ require/demand/ ask1. The fact was . 事实是他没有做真正的努力。2. The question is . 问题是这部电影是否值得看。3. she
18、had known Millie for years. 看起来好像她认识米莉已有好多年了。4. My advice is as often as possible. 我的建议是你尽可能经常地练习说英语。Complete the sentences.that he didnt really trywhether the film is worth seeingIt seemed as though/ifthat you (should) practise speaking English5. Thats . 那就是我第一次遇见她的地方。6. The problem is . 问题是谁才真正适合做这份艰苦的工作。7. That is . 那就是我想让你在这儿工作的原因。8. I was late for school this morning. last night. 今天早上我上学迟到了。那是因为我昨晚睡得太晚了。where I first met herwho is really fit for the hard jobwhy I want you to work hereThats because I stayed up too late
