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2019-2020年高中英语 Unit 4the science of the stars教案2 新人教版必修3IntroductionIn this period students will be first helped by the teacher to discover and learn to use some useful words and expressions, and then to discover and learn to use the following useful structures: noun clauses as the subject. The following steps of teaching may be taken: warming up by discovering useful words and expressions，learning about grammar，reading more on subject clause，and closing down by doing exercises.ObjectivesTo learn about noun clauses as the subjectTo discover and learn to use some useful words and expressionsTo discover and learn to use some useful structuresProcedures1. Warming up by discovering useful words and expressionsTurn to page 28 and do exercises 1, 2 ，3 and 4 first. Check your answers against your classmates. 2. Learning about grammarIntroduction to Noun ClausesA noun clause is a clause which does the work of a noun in a sentence. It is a group of words containing a subject and a verb of its own. It can be used as a subject, predicate nominative, direct object, appositive, indirect object, or object of the preposition.Usually noun clauses begin with that, what, where, when, who, whom, which, whose, how, why, whether, etc. Examples: He said that he would not e. We were all curious to know what he had done. Nobody knows when the registration will begin. We all wanted to find out who the winner was. Whom they were in contact with on the day of the robbery is of great interest to the police. Jane is not sure which university she should apply for. The judges had a hard time deciding whose painting was the best. How the baby fell from the window is a mystery. They asked the boy why he had hit his classmate. Whether you like it or not is not the issue. Uses of Noun ClausesNoun Clauses can be used in the following ways:a.As the subject of a verbWhy she kept on crying puzzled every one.noun clausemain verbb. As the objectNobodyknows how he got involved in gangland activities verbnoun clausec. As the plement of the verb to be or predicativeWhat we are worried about is that he may have another heart attack.The question is why they could escape through the front door when there were so many guards there.Find the noun clauses in the following sentences and tell how they are used. (Subject, predicate nominative, direct object, appositive, indirect object, or object of the preposition)1. How the prisoner escaped is a mystery.2. My feeling is that the robbery was an inside job.3. Everyone is wondering how he could just disappear.4. The news that he had escaped frightened the whole town.5. The police have offered whoever finds the stolen diamonds a reward.6. The family has had no word about where he might be.7. That we were ready to go was a miracle.8. Give whoever wants to go a ride to the game.9. That you are losing ground was evident from the polls.10. Whoever injured the handicapped woman must be feeling guilty.Keys: 1. How the prisoner escaped subject2. that the robbery was an inside job predicate nominative3. how he could just disappear direct object4. that he had escaped appositive5. whoever finds the stolen diamonds indirect object6. where he might be object of the preposition7. That we were ready to go subject8. whoever wants to go indirect object9. That you are losing ground subject10. Whoever injured the handicapped woman subject3. 学习主语从句一、由what（whatever，whoever）等代词引导的主语从句。What they are after is money. 他们追求的是金钱。Whatever was said here must be kept secret. 这里说的话都应当保密。二、由连词that引导的主语从句。其中that一般不可省略，但若用it作形式主语， that从句后置时，则可省略。为避免头重脚轻，我们倾向用it开头，后接be，seem等。如果句子是疑问形式，就只能用带it的结构。That money doesnt grow on trees should be obvious.金钱不能从树上长出来是显而易见的。It is obvious（that）money doesnt grow on trees .显而易见，金钱是不能从树上长出来的。Has it been announced when the planes are to take off？飞机什么时候起飞宣布了没有？注意：1）选用what还是用that引导主语从句要根据关联词在从句中是否担任成分而定。且what（以及whatever，whoever等）引导的主语从句一般不用it作形式主语。What he said is true.他说的是真的。（what在其引导的主语从句中作宾语。）That China is a great socialist country is well known.（=Its well known that）众所周知，中国是一个伟大的社会主义国家。（that在其引导的主语从句中不作任何成分，也无词义，只起连接作用。）2）it引导的强调句与it作形式主语的复合句不可混淆。it引导的强调句是用来对句中某一成分加以强调，其结构为：“It is（或was）+强调部分+that（或who）”强调句去掉It is（或was）that（或who）框架后，剩余部分为一个完整的句子。It was I that(who) met Mary in the street yesterday.是我昨天在街上遇见了玛丽。(强调主语)3）常见的用it作形式主语的复合句结构：*It is+形容词（necessary，strange，important，wonderful，possible，likely，等）+that从句，从句中常用虚拟语气。Its necessary that he write something in English.他用英语写点东西是必要的。Its strange that she did not go to school yesterday.奇怪的是她昨天没去上学。*It is+名词（a fact，a pity ，no wonder，good news，等）+that从句Its a pity that she should have said so.真遗憾她竟然会这么说。*It is+过去分词（said，reported，decided，unknown等）+that从句Its said that our English teacher will go abroad next week.据说我们英语老师下周要去出国。*It +不及物动词（seems，appears，happens， matters等）+that从句It seems that she is in great need of help.看来她急帮忙。4）主语为从句时，一般要用单数谓语动词形式；但如果引导的从句作主语、代表复数概念（常可从表语上看出）时，谓语动词则常用复数形式：What we need is water. 我们需要的是水。What we need are useful books. 我们需要的是有用的书。三、由连接代词或连接副词（或if, whether）引导的主语从句。When they will e hasnt been made public.他们什么时候回来还没有宣布。Whether Ill attend the meeting hasnt been decided.=It hasnt been decided whether(if) Ill attend the meeting.我是否参加会议还未决定。4Closing down by doing an quiz1. Noun Clause Practice Quiz1) I had an accident and took my car to the garage. My husband asked me where _.A. is my car B. my car was C. my car is D. was my car2) Is it true all of the puters will shut down in the year xx? _ is unbelievable!A. That all the puters could shut down B. All puters could shut down C. It is that all puters could shut down D. Shutting down of all puters3) Is it true _ people are saying about Y2K?A . that what B. that C. whether or not D. what4) _ an old date chip is important.A. A puter has B. If a puter have C. Whether or not a puter has D. Has a puter5) What are you going to do with your old puter? Nothing! _ is too expensive.A. That I want to do B. What I want to do C. That what I want to do D. If what I want to doKeys: B A D C B
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