表语从句详细讲解理解练习.ppt

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1、表语从句,. Definition（定义） 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形式、副词、介词短语、形容词、不定式和从句等来充当。,Eg. （例子） The person stood in front of you just now is my headmaster. 刚才站在你前面的那个人是我的校长。 I didnt know that it was you at that time. 当时我不知道那是你。 The door remained closed. 门仍然关着。 Marys daily job is clean

2、ing the house. 玛丽的日常工作就是打扫这间房子。,名词充当表语,代词充当表语,动词过去分词充当表语,动词- ing形式充当表语,The house is not only large but also beautiful. 这所房子不仅大而且漂亮。 When I went to your house, you were out. 当我到你家的时候，你不在家。 No one was in the dorm, when she arrived. 当她到达的时候，宿舍里没有人。 My job is to teach you English. 我的工作是教你们英语。 The reason

3、 why he came late was that his clock didnt work. 他迟到的原因是他的闹钟坏了。,介词短语充当表语,副词充当表语,形容词充当表语,不定式充当表语,从句充当表语,观察思考：,指出句子成分,Henry was an American businessman.,Henry met an American businessman.,主语,表语,主语,谓语,宾语,（及物动词）,连系动词,表语从句的定义,The question is who will do it.,The question is difficult.,（ 表 ）,表语从句,（ 表 ）,2.

4、表语从句的构成,主语 + 系动词 + 引导词 + 简单句,This is why he did it.,表语从句放在连系动词之后，充当复合句中的表语。,What I want to say is that I am tired,可以接表语从句的系动词有： 1: be（being,been,am,is,are,was,were) 2: feel , seem , look, appear ,sound, taste , smell 3: stand , lie , remain ,keep, stay 4: become ,get , grow , turn ,go ,come, run,fal

5、l 5: prove, turn out,连接词：that / whether /as if /as though (if不引导表语从句) 连接代词：who / whom / whose / which / what 连接副词：when / where / why / how / because,Predictive clause 表语从句 1. that 1) that 在从句中不担任句子成分，无实际意义，一般不能省略 2)在表“建议，劝说，命令”的名词idea, suggestion, request, proposal 等后面的表语从句中，谓语动词用“should + 动词原形”，sho

6、uld可省略 My opinion is that its getting better and better. My suggesstion is that we (should) start early tomorrow.,whether在表语从句中表 ,但不充当句子的成分。if 引导表语从句.如: 1.What the doctor really doubts is whether my mother will recover from the serious disease soon. 2. The question is whether it is worth doing.,“是否”

7、,不能,whether,现在唯一要弄清楚的是他是否拐卖妇女儿童。 他提出的第一个问题是： 儿子无出息，父母也不光彩，是否如此？,All that is to be made clear is whether he abducted and sold women and children.,The first thing he put forwards was whether a worthless son was a disgrace to his parents.,as if, as though 引导的表语从句 as if/though引导的表语从句常置于连系动词look, seem, s

8、ound, be, become等后面，常用虚拟语气，表示不存在的动作或状态。 e.g. It sounds as if/though somebody was knocking at the door.,主语+连系动词（look/seem/appear）+that/as if从句,*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(主句一般现在时从句就用过去式，be的话变成were。主句是过去式，从句用过去完成时)。 It looks as if he were her own father.(与事实不符) Dark clouds are g

9、athering. It looks as if its going to rain.,As /as if、as though,形势并不像外表所看到的那样。 她看上去很担忧他父母的病情。 他好像疯了似的。,The situation is not as it seems to be.,She looks as if she is worried about her fathers disease.,It was as though he were mad.,because,because引导表语从句通常只用于“This/That/It is because”结构中。 My anger is b

10、ecause you havent written to me for a long time. 你为什么不来出席座谈会？是病了么？,Why were you absent from the forum? Was it because you were ill?,that, why与because引导表语从句时的区别,虽然三者均可引导表语从句，但that没有词义，而why和because有自己的意思；另外，虽然why和because都可引导表语从句，但前者强调结果，后者强调原因。如： The reason was that you dont trust her.原因是你不信任她。 The fa

11、ct is that they are angry with each other.事实是他们生彼此的气。 He was ill. Thats why he was sent to the hospital.他病了，所以被送到医院来。 He was sent to the hospital. Thats because he was ill.他被送到医院，是因为他生病了。,填空: The reason why we didnt trust him is _ he has often lied,reason 做主语时，表语从句只能用that引导, 不能用why 引导。句型结构为： The rea

12、son (why/for)is /was that. The reason is that,that,The reason why he was late was that he missed the train by one minute this morning （当主语是reason时，表语从句要用that引导而不是because）,他早上来晚的原因是他晚了一分钟而没赶上火车。,注意：,主语为reason 时，表语从句连接词用that, 但以it, this, that 开头做主语的句子，则可用because。 The reason for his being late was that

13、 he missed the early bus. She was late this morning. That was because she missed the early bus. * The reason _ he was late was that he missed the early bus.,why,例题2： The reason why he failed is _he was too careless. A. because B. that C. for D. because of,B,注意点2： 主句主语为reason, 只能用that引导表语从句，不可用becaus

14、e.,连接代词who, whom, whose, what, which, whoever, whatever, whichever 连接副词 where, when, how, why。,The problem is who we can get to replace her. 问题是我们能找到谁去替换她呢。,The question is how he did it. 问题是他是如何做此事的。,That was what she did this morning on reaching the attic. 那就是她今晨上了阁楼干的。,That is where he was born.,

15、那就是他出生的地方。,where, when, why, how引导的表语从句 连接副词where, when, why, how除在句中起连接作用外，在从句中还充当时间、地点、方式、原因状语，本身具有词义。 e.g. Thats where I cant agree with you. This is why Sara was late for the meeting. This is how they overcome the difficulties. My strongest memory is when I attended an American wedding.,问题在于如何使古

16、为今用，如何使洋为中用。 那时我在管伙食。 根本问题就在这里。 他不应该被贪污论罪，道理就在这里。,The question is how the past is made to serve the present and foreign things are made to serve China.,That was when I was in charge of mess.,This is where the basic lies.,It was why he should not be found of corruption.,表语从句的常用句型：,名词主语bethat从句 The fa

17、ct is that I was in the garden when the robbery happened. 作主语的名词通常有表示事实、真理的名词fact, truth 或表示看法观点的名词idea, opinion, belief, view, feeling, suggestion, plan等。 suggestion, proposal, advice, requirement 等词后的表语从句要用虚拟语气（should）do。,名词主语+be+that引起的表语从句,如： 1.The fact is that our team has won the game. 2.The t

18、ruth is that she was the very person who informed against her husband. 3. My opinion is that we should discuss it with them.,名词主语bewh-疑问词引导的从句 The trouble is where we can get the things we need. wh- 引导的主语从句bethat 从句 What surprised me most was that all the pupils were unusually quiet. This / That be

19、wh-疑问词引导的从句 This is how you make the Italian pizza.,表语从句的常用句型：,注意：,表语从句中的 that 不能省略 表语从句中只能用 whether 不能用 if 表语从句中，从句用陈述句语序,2.-Are you still thinking about yesterdays game? -Oh, thats_ . A. what makes me feel excited B. whatever I feel excited about C. how I feel about it D. when I feel excited,A,解析：

20、 这是由what 引导的一个表语从句，在从句中充当主语，这句话的意思为：那是使我感到兴奋的事。故答案为A。,2.-I drove to Zhuhai for the air show last week. -Is that_ you had a few days off? A.why B.when C.what D.where,解析:这是一个由why引导的表语从句,表示原因.这句话的意思是这就是你离开的原因吗?。故答案为A。,A,4.When you answer questions in a job interview, please remember the golden rule: Al

21、ways give the monkey exactly_ he wants . A.what B.which C.when D.that,解析:这是一个宾语从句,wants后面缺少宾语,Always give the monkey exactly what he wants是一句谚语,意思是永远给予他人他确实想要的东西。故答案为A。,A,小结：,1. 表语从句的构成:,引导词+简单句,2. 引导词:,连词that, whether, as ,as if,连接代词who, what, which,连接副词when, where, how ,why,3. 3个注意点:,if 不引导表语从句,主语

22、为reason时，引导词用that,语序,1. The question is _ we will have our sports meet next week. that B. if C. when D. whether 2The reason why he failed is _he was too careless. because B. that C. for D. because of 3. Go and get your coat. It s _you left it where B. there C. there where D. where there,4The problem

23、 is _to take the place of Ted A. who can we get B. what we can get C. who we can get D. that we can get 5. What I want to know is _ he likes the gift given by us. that B. if C. whether D.不填 6. The reason is_I missed the bus. A. that B. when C. why D. what,10.The problem is_ he has enough time. A.if B.whether C./ D.that 11.He made a promise_ he would help me. A.what B.when C.that D.which 12.I remember_ this used to be a quiet village. A.how B.when C.where D.what 13.It is generally considered unwise to give a child_ he or she wants. A.however B.whatever C.whichever D.wherever,B,C,B,B,