（2019版）新人教版选择性必修第二册Unit 1Grammar Predicative clausesppt课件 (2).pptx

1、Predicative ClausesThe person stood in front of you just now is headmaster. The door remained closed. My job is to teach you English. The reason why he came late was that his clock didnt work. 表语是用来说明主语的身份、性质、品性、特征和状态的，表语常由名词、代词、数词、动词过去分词、动词的-ing-ing形式、副词、介词短语、形容词、不定式和从句等来充当。What is the predicative？

2、1.1.表语从句的定义The question is who will do it.The question is difficult.（ 表 ）表语从句（ 表 ） 在复合句中做表语在复合句中做表语的从句，叫做表语从句。的从句，叫做表语从句。它位于主句的它位于主句的系动词系动词之之后，对主语进行解释说后，对主语进行解释说明，使主语的内容具体明，使主语的内容具体化。化。2. 2. 表语从句的构成主语 + 系动词 + 引导词引导词 + 简单句This is why he did it.What I want to say is that I am tired.表语从句可以接表语从句的系动词有：1.

3、 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 ,get , 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.她似乎是为了变得好看才保持身材的。3. 引导词从属连词：that / whether /as if /as though (if不引导表语从句)连接代词：who / whom / who

4、se / which/ what 连接副词：when / where / why / how that 在从句中仅起连接作用，无实际意义，在句中不作任何成分，不能省略。（1）thatMy opinion is that its getting better and better.（2）whether 1. The question is _2. The question is _ whether it is worth doing. whether we can win them.whether 在句子中不充当任何成分，但具有在句子中不充当任何成分，但具有“是是否否”的意义。注意：的意义。注意

5、：if不能引导表语从句不能引导表语从句as if / though引导表语从句时，在句子中不充当任引导表语从句时，在句子中不充当任何成分，但有意义。译为：似乎，好像。何成分，但有意义。译为：似乎，好像。He looks as if he were a rich man.It sounds as if someone is knocking at the door.（3）as if/throughas 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(主句一般现在时，从句就用一般过去时。主句是一般过去时，从句用过去完成时 )。 The young ma

6、n with long hair looks as if he were a girl. Dark clouds are gathering. It looks as if its going to rain.(4) what 在表语从句中充当在表语从句中充当_ 表示表示_. The question is what caused the accident. That mountain is no longer what it used to be . What he told you was what had been discussed at the meeting.主语、宾语或表语主语、

7、宾语或表语什么，什么样子，或所什么，什么样子，或所的（人或事）的（人或事）(5)who 在表语从句中充当_表示_.1. The problem is who could do the work2. My trouble is who (whom) I can turn to.3. Could you tell me who he is?主语、宾语或表语主语、宾语或表语谁谁 (6) which 在引导表语从句时,常充当_ 表示 。 I read about it in some book or another,but what I dont know is which (book) it is.

8、 定语定语,表语表语哪一个哪一个,哪一些哪一些(7)where, when, why, how除在句中起连接作用外，除在句中起连接作用外，在从句中还充当在从句中还充当时间、地点、方式、原因状语时间、地点、方式、原因状语，本身具有词义。本身具有词义。 The question is how he did it. That is where he was born.问题是他如何做此事的。问题是他如何做此事的。那就是他出生的地方。那就是他出生的地方。 This is why she was late for the meeting.这就是她会议迟到的原因。这就是她会议迟到的原因。(强调原因）强调原因

9、）（强调结果）（强调结果）That/It is /was why 那是那是的原因的原因That/It / is/ was because 那是因为那是因为 主语一般不用reasonHe was ill. Thats because he was sent to the hospital. He was ill. Thats why he was sent to the hospital. 注意：4. 4. 使用虚拟语气的表语从句使用虚拟语气的表语从句 在表示建议、劝告、命令含义的名词后的在表示建议、劝告、命令含义的名词后的表语从句，谓语动词需用表语从句，谓语动词需用“should+should

10、+动词原形动词原形” ” 表示，表示，shouldshould可省略可省略。常见的词有：。常见的词有：advice, advice, suggestion, order, proposalsuggestion, order, proposal等。等。My suggestion is that we (should) start early tomorrow.小结：小结：1. 表语从句的构成表语从句的构成: 引导词引导词+简单句简单句2. 引导词引导词: 连词：连词：that, whether, as ,as if 连接代词：连接代词：who, what, which连接副词：连接副词：when

11、, where, how ,why 3. 3个注意点个注意点:if 不引导表语从句不引导表语从句主语为主语为reason时，引导词用时，引导词用that语序语序thatthat引导表语从句时不能省略引导表语从句时不能省略1.The reason why he failed is _he was too careless.A. because B. that C. for D. because of2.This is _ Sara was late for the meeting. A. why B. what C. how D. That3. The reason is _ he is una

12、ble to operate the machine. A. because B. why C. that D. Whether B C A4The problem is _to take the place of TedA. who can we get B. what we can getC. who we can get D. that we can get5. What I want to know is _ he likes the gift given by us.A.that B. if C. whether D.不填6. The reason is_I missed the b

13、us. A. that B. when C. why D. what7. Thats _ the Party called on us to do. A. why B. what C. how D. that 8. The reason is _ he is unable to operate the machine. A. because B. why C. that D. Whether9 .That is _ they separated. A. that B. what C. which D. where 10.Jane is no longer _ she was four year

14、s ago. A. what B. which C. that D. when A: Absolutely ! You may not believe it, but that was _ happened at the initial stage of our groups research on developing a vaccine for malaria.B: Yes, it is. And it seemed _ all the theories were useful, but the fact was _ we couldnt persuade one another that

15、 one theory was better than another.C: Exactly The problem was not about _ all our theories were equally good, but in deciding _ theory to depend upon.D: We realised that what we cared about was not_ aspect we needed to develop a theory in , but rather _we can reduce the cost of a vaccine without re

16、ducing its effect!E: Youre right. At last, we became focused on the key issue, which was_ we had to carry out the reseach in the first place.whatas ifthatwhetherwhosewhichhowwhy III.完成句子1)The fact was _.事实是他没有做真正的尝试。2) The question is _.问题是这部电影是否值得看。3) Now _she had known Millie for years.现在看起来好像她认识米莉已有好多年了。4) My advice is that you_as often as possible. 我的建议是你要尽可能经常地联系说英语。5) 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。that he didnt really try whether the film is worth seeingit seems as ifpractice speaking Englishwhere I first met herwho is really fit for the hard job