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1、名词性从句(主语从句）,纵观近几年的高考，对名词性从句的考查主要集中在以下题型：1.完形填空 2.语法填空 3.短文改错 4.写作运用（高级句型）,高考命题规律,（2014 广东卷）语法填空 I didnt understand 20 this would happen.(why),从英语的句子结构上说，除了修饰名词的定语和修饰动词的状语外，在千变万化的句子中可归纳为五个基本句式，一般地说，某些动词用在某一句式中，下面把这些句型和常用的动词进行归类。,.Revision,英语五个基本句式,1.She came/My head aches.2.She likes English.3.She is
2、 happy4.She gave John a book5.She makes her mother angry The teacher found him cheating in the exam.,简单句基本句型实例,主语 谓语,主语 谓语 宾语,主语 系动词 表语,主语 谓语 间接宾语 直接宾语,主语 谓语 宾语 宾语补语,名词的性质：,1._ is interesting.2.I bought today.3.This is.4._,_likes the book.,同位语,宾语,主语,表语,The book,a book,the book,My friend,Kate,book;fr
3、iend;Kate,.名词：,Who will win the match is still unknown.I want to know what he has told you.The fact is that we have lost the game.The news that we won the game is exciting.,主语从句,宾语从句,表语从句,名词性从句的作用相当于名词，在句中分别作主句的主语、表语、宾语和同位语。,同位语从句,名词性从句类型Noun clauses,主语从句subject clause,宾语从句object clause,表语从句predicat
4、ive clause,同位语从句appositive clause,*名词性从句的特点是从句都有关联词引导,从句的语序和陈述句的语序相同。,如何区分名词性从句,一.宾语从句的位置,谓语动词之后.The teacher said that light travels much faster than sound.2.介词之后.I worry about whether I hurt her feelings.3.系表之后.I am sure that he can help me.4.句末，前有it 作形式宾语.We consider it possible that he is ill.,二.
5、表语从句的位置,系动词之后.The truth is that I have never been there.It looks as if it is going to rain.,三.同位语从句的位置,名词之后，解释说明名词的内容.We all know the truth that the earth goes round the sun.I have no idea when she will be back.,同位语从句与定语从句的区别,Do you know the fact that he stole the car?（解释说明）Do you know the fact that
6、 they were talking about?（修饰限定）试区分：The news that our team won the game is true.The news that you have heard isnt true.1.同位语 2.定语从句,四.主语从句,一.主语从句的位置.1.句首，谓语动词之前。What we need is your help.Whoever break the rule will be punished.2.句末，前有it 做形式主语。It is obvious that I am happy.,考点一：it 作形式主语 为了避免主语冗长,句子头重脚
7、轻,经常用it作形式主语,主语从句放在后面作真正的主语.例:That we shall be late is certain.-Its certain that we shall be late.,Eg:很肯定他会赢得比赛的。_is certain that he will win the match.,It,考点二：主语从句的引导词：,连接词：that、if.whether,无意义,2.连接代词：who、whom、whose、what、which、whoever、whichever、whatever、whomever,3.连接副词：when、where、why、how,“是否”if不用句首,
8、作成分(主，宾，表，定）有意义,1.That they are badly in need of help is quite clear.2.Whether it is true remains a problem.3.What the teacher said today was quite right.4.Whoever makes mistakes must correct them.5.Where we live doesnt matter.6.How the pyramids were built was still a mystery.,连接作用,是否,宾语,主语,状语,状语,做题
9、三步曲：步骤一：首先分清主句和从句。步骤二：分析从句缺何种成分。步骤三：根据分析，选择恰当的连接词,突破方法,Note:连接词：that 与 what 的区别,What he said makes me happy.That a new teacher will come is true.,that 只起连接作用，无意义，在从句中不充当任 何成分。what 既起连接作用,又在从句中作 主语,宾语,表 语。,请你归纳,Whoever says this is wrong,但谓语动词用单数还是复数，不可一概而论，而要视句子的意义而定 What I need is money.What I need
10、 are books.,考点三：主语从句作主语，谓语一般用单数。,When and where well hold the meeting _not been decided yet.A.has B.is C.have D.are,Chcek points,_ he made an important speech at the meeting was true.A.That B.Why C.What D.How,2._well go camping tomorrow depends on the weather.A If B Whether C That D Where,Choose the best choice,3.It worried her a bit _ her hair was turning gray.whether B.that C.what D.when4.What I say and think _ none of your business.A.is B.are C.has D have,
