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1、The Predicative Clause 表 语 从 句,观察思考,归纳： 上述例句的结构： + + 句式,观察句子结构，特别是划线部分。 1. I am a little, little bird. 2. The story is interesting. 3. Our math teacher is here. 4. Every student is in the classroom. 5. Your homework is to recite . 6. Her job is selling computers.,主语,系动词/be,表语,一、表语从句定义：,表语从句是在复合句中作表语
2、的名词性从句, 放在系动词之后,一般结构是“主语+系动词+表语从句”。 例句： The problem is that millions of people die of illnesses caused by smoking.,e.g. What I want to say is that Im sorry. 2.The fact is that I earned my passage by working as an unpaid hand.,（一）由从属连词 that 引导的表语从句,that在从句中不充当任何成分，本身也没有任何意义。只是起连接作用。 注：that 在引导表语从句时不能
3、省略。,二、表语从句的引导词,（二）由从属连词 whether引导的表语从句,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“是否”的意义。此时不能用if，因为if不能引导表语从句。,The question is _ we will have our sports meet next week. A. that B. if C. when D. whether,注意点：if 不能引导表语从句,D,as if
4、 / though引导表语从句时，在句子中也不充当任何成分，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.,他看起来好像是个富翁。,听起来好像有人在敲门。,（三）由从属连词 as if/through引导的表语从句,Li Lei is now in a new jacket. He looks as if he were an American boy. The girl talked as if she has been a grown-up.
5、,as if/through 引导表语从句时要注意语气.若与事实相符，要用陈述语气。若从句表示与现在事实相反,谓动用 ；与过去事实相反用 . 考试中常考查这种虚拟语气，不考查陈述语气。,一般过去式（be用were）,had+done.,这类词引导表语从句时，与它们引导宾语从句一样，要在从句中充当句子成分（一般充当主语、宾语、表语、定语或状语），并具有一定的意义，不可省略。,(四）连接代词 Who, whom, whose,which, what及连接副词 where, how, why, when 及wh-疑问词+ever引导的表语从句,(2) The problem is who we ca
6、n get to replace her.,(3) The question is how he did it.（状语）,(4) That is where he was born.（状语）,问题是我们能找到谁去替换她呢。（宾语）,问题是他如何做此事的。,那就是他出生的地方。,(1) That is what he is worried about.(宾语）,那就是他担心的事,(1) Thats because he didnt understand me.,(2) Its why he got angry with me .,那是因为他不理解我。,那正是他对我生气的原因。,(强调原因）,（强
7、调结果）,（五）由从属连词because, why引导的表语从句,1、句型：That/It / is/ was because 那是因为 That/It is /was why 那是的原因,2、句型：the reason whyis that 的理由是 why引导定语从句 That/It is /was why 那是的原因 why引导表语从句,(1) The reason why he was late is that he was ill.,他迟到的理由是他病了。,注意： 主句主语为reason, 只能用that引导表语从句，不可用because.,(2) Its why he got an
8、gry with me .,那正是他对我生气的原因。,1.The reason why he failed is _he was too careless. A. because B. that C. for D. because of 2.This is _ Sara was late for the meeting. A. why B. what C. how D. That 3. The reason is _ he is unable to operate the machine. A. because B. why C. that D. Whether,B,C,A,三、表语从句语序,
9、表语从句的语序与宾语从句一样，一律用陈述语序： 主语+系动词+连接词+主语+谓语+其他成分,小结：,1. 表语从句的构成:,2. 引导词:,连词that, whether, as if,连接代词who, what, which,连词because,why,3. 语序:,主从句时态呼应一致原则,4. 时态:,陈述语序,连接副词when, where, how ,why,1.Maria has to look after her sister. Thats _ she cant come out with us. A. why B. how C. when D. what 2. She looke
10、d _ she were ten years younger. A. that B. as if/through C. as D. like,单选,3. What the doctors really doubt is_ my mother will recover from the serious disease soon A. when B. how C. whether D. why,4. Are you still thinking about yesterdays game? Oh, thats _. (2003 北京春) A. what makes me feel excited B. whatever I feel excited about C. how I feel about it D. when I feel excited,5. Go and get your coat. Its _ you left it. A. there B. where C. there were D. where there,