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1、 Unit 2. Using Language Grammar :Predicative clauses一 Learning Objectives:In this period, you are supposed to learn predicative clauses.二 Learning points and difficulties:Learn to use predicative clauses correctly三 Learning methods:1. Independent thinking2. Effective pair work and group work.3. Acti
2、ve Presentation四 Learning procedures:表语从句是指一个句子作为表语,放在系动词之后,说明主语是什么或者怎么样。含有表语从句的复合句的一般结构为“主语+系动词+表语从句”,表语从句用陈述语序。可接表语从句的系动词有be,look,seem,sound,appear 等。1.表语从句的连接词类别连接词例句从属连词that不作句子成分，也没有意义，通常不能省略My suggestion is that you should have patience.我的建议是你应该有耐心whether不作句子成分，但有“是否”的意义，一般不用if代替The question i
3、s whether we can cut down the costs of the product.问题是我们能否降低这款产品的成本。连接代词who,whom,whose,what,which,whoever,whatever,whichever等。在从句中作主语、宾语、表语或定语。The problem is who can complete the difficult task.问题是谁能完成这项困难的任务。This is just what we are always looking forward to.这正是我们一直盼望着的。连接副词主要有when,where,why,how。它们
4、在从句中分别做时间、地点、原因、方式状语。That is where he was born and brought up.那就是他出生和被养大的地方。Their difficulty is how they can clear their debts.他们的困难是怎样才能还清债务。其他连接词because,as if/though等He has to watch his weight. That is because he has heart disease.他得注意自己的体重，那是因为他有心脏病。2.表语从句中需要注意的问题（1）as if /though引导的表语从句的语气as if /
5、though引导的表语从句常置于系动词look，appear，sound,feel等后。若表述真实的情况，就用陈述语气；若表述与客观事实相反的假设，则用虚拟语气。Eg.It looks as if he benefits a lot from the project.看起来他好像从这个项目中获益不少。（陈述语气） It looks as if /though he were drunk.他看上去好像喝醉了。（虚拟语气）（2） 表语从句的特殊句式The reason why.is that. .的原因是.This/This/It is because. 这/那是因为.This/This/It i
6、s why. 这/那就是.的原因Eg. The reason why he didnt come is that he had not received the invitation.他没来的原因是他没有收到请柬。 The woman was weeping bitterly. Thats because her son was drowned in a river.那个女人痛哭流涕，那是因为她的儿子在河中溺亡了。（先果后因） The womans son was drowned in a river. Thats why she was weeping bitterly.那个女人的儿子在河中
7、溺亡了，那就是她痛哭流涕的原因。（先因后果） 表语从句中的虚拟语气主语是表示“建议、命令、要求”的名词,如suggestion,advice, proposal,order, comma是所有男孩子要迅速在汽车周围集合。引导表语从句的that通常不省略,但在口语或非正式语体中有时也可省略。The trouble is (that) he is ill麻烦的是，他生病了。即时巩固.单句语法填空1What do you think of China?How different it is today from it used to be!2I truly believe beauty comes
8、from within.3We must find out Karl is coming, so we can book a room for him.4A ship in harbor is safe，but thats not ships are built for.5The exhibition tells us we should do something to stop air pollution.6Motivation is you need most to do a good job.7See the flags on the top of the building? That
9、was we did this morning.8People in Chongqing are proud of they have achieved in the past ten years.9When asked they needed most，the kids said they wanted to feel important and loved.10Someone is ringing the doorbell. Go and see it is.单句改错1My idea is you should not rely on others to do everything for
10、 you. 2This is that they have been eating these days. 3That was we camped last time. 4My question is if you will go to the park tomorrow. 5It looks that she were drunk. 6The fact is whether we should depend on ourselves. 7What I want to know is that you can persuade him to go. 8The most pleasant thi
11、ng of the rainy season is what one can be entirely free from dust. 9Fame and personal gain is why theyre after. 10From space, the earth looks blue. This is why about seventyone percent of its surface is covered by water. .完成句子1What is more serious is .更严重的是，我们不珍惜(cherish)野生动物。2The problem is at the
12、airport.问题是你是否能够到机场去接他。3What surprised me most was .使我最惊奇的是这个瘦弱的女孩获得了三枚金牌。4 weve been longing for.这就是我们一直渴望得到的。5Without his support, we wouldnt be .假如没有他的帮助，我们就不会取得现在的成就。Exercises.选词填空(when/that/where/why/that/because)1Look at the high mountain. That is we will get.2The first time we met each other
13、was we studied in that school.3My advice is we (should) work together.4It was raining hard；that was I came late.5I came late；that was it was raining hard.6The reason why I came late was it was raining hard.单句语法填空1The reason why she was ill was she had eaten bad meat.2The result is many of them becom
14、e fat.3Why we decided to put off the match is the weather was too terrible.4 sounded as if somebody was knocking at/on the door.5His first question was Holmes had arrived yet.6The problem is can answer the question.7The traditional view is we sleep because our brain is “programmed” to make us do so.
15、8False fire alarms are illegal and may lead imprisonment.9He tried to make his work (recognize) in the medical circles.语法练习完成句子1.The trouble his address.麻烦的是我把他的地址丢了。2The question is help us.问题是他们是否能帮我们。3 he didnt understand me.那是因为他没有理解我。4This is .这是我所感兴趣的。5My suggestion is that we the other classes.我的建议是我们要赶上其他班级。6What I want to know is .我想知道的是我们应该走哪条路。7The problem is to replace her.问题是我们能找到谁去替换她呢。8He is no longer .他已经不是以前的他了。 3/3学科网（北京）股份有限公司