1、人教课标高二 选修 8Unit 11.概念在句子中起名词作用的句子叫名词从句(Noun Clauses)。名词从句的功能相当于名词词组,它在复合句中能担任主语、宾语、表语、同位语、介词宾语等,因此根据它在句中不同的语法功能,名词从句又可分别称为主语从句(Subject Clause)、宾语从句(Object Clause)、表语从句(Predicative Clause)和同位语从句(Appositive Clause)。What he wants to tell us is not clear.I believe(that)he is honest.The question is who(w
2、hich of you)will be the next speaker.The news that he had landed on the moonspread all over the world.主语从句宾语从句表语从句同位语从句2.引导名词性从句的连接词可分为三类:连接词/从属连词 that,whether,if 不充当从句的任何成分连接代词:what,whatever,who,whoever,whom,whose,which连接副词:when,where,how,why6、若 doubt 一词作“怀疑”解接宾语从句 时,主句为肯定句用 whether 或 if,主句为否定句或疑问句
3、用 that。如：I doubt whether he will come soon.I do not doubt that he will come soon.7、在 suggest,insist,demand,order,require 等表示建议,命令,要求的动词或其名词后,从句的谓语动词要用虚拟语气。如:I insisted that he(should)do it at once.She suggested that the work(should)be finished at once.8、在表语从句中,当reason做主语时,引导词只能用that,不能用because。如:The
4、 reason why he was late was that he didnt catch the early bus.他迟到的原因是因为他没有赶上早班车。考点一：主语从句考例回顾1.It was never clear _ the man hadnt reported the accident sooner.2.（江苏2011）A.that B.how C.when D.why点拨答案为 D。根据句意“那个人为什么没尽快汇报那起意外事故还没弄清楚”可知 D 项符合语境。此句中，it 为形式主语，真正的主语是 why 引导的主语从句。2.Before a problem can be so
5、lved,it must be obvious _ the problem itself is.（湖南2011）A.what B.that C.which D.why 点拨答案为 A。此句中 it 作形式主语，真正的主语为 what 引导的主语从句，what在从句中作表语。3._ comes will be welcomed to the open-air concert.（上海2011春）A.Whatever B.Whoever C.No matter what D.No matter who点拨答案为 B。whoever 在此引导主语从句，表示“无论谁”。考点二：宾语从句考例回顾1.Our
6、 teachers always tell us to believe in _ we do and who we are if we want to succeed.（四川2011）A.why B.how B.C.what D.which点拨 答案为 C。根据从句 we do 后缺少宾语可知选 what。3.Weve offered her the job,but I dont know _ shell accept it.（山东2011）A.where B.whatB.C.whether D.which 点拨答案为 C。whether引导宾语从句，表示“是否”。考点三：表语从句考例回顾1.
7、Id like to start my own business thats _ Id do if I had the money.（陕西2011）A.why B.when B.C.which D.what 点拨 答案为 D。从句中缺少 do 的宾语，因此用 what。3.Part of the reason Charles Dickens loved his own novel,David Copperfield,was _ it was rather closely modeled on his own life.（北京2010）A.what B.that B.C.why D.whether点拨 答案为 B。that 引导表语从句，不在从句中作任何成分，只起连接作用，没有含义。
