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1、名词性从句知识1.名从的定义：起名词作用的从句。名词能作什么成分呢？请看句子：Mymom,ahousewife,is a strictwoman.But sheloves herchildrenvery much.没错，聪明滴小伙伴已经看出来啦：名词可以作主语、同位语、表语和宾语。那么名词性从句的分类就呼之欲出啦。2.名从的分类：主语从句、表语从句、宾语从句和同位语从句。3.名从的位置来来来，观察这两句：That my mom loves her children very nuchis a truth.=Itis a truththat my mom loves her children v
2、ery much.（1）总结：a.主语从句可以放句首；b.主语从句也可以用it作形式主语，将主语从句后置。拓展：it作形式主语的句型a.It + be 名词(no wonder / an honor / a good thing / a pity / no surprise.) that 从句;b.It + be 形容词(obvious / true / essential / fundamental / natural / surprising / good / wonderful / funny / possible / likely / certain.)that 从句;c.It + b
3、e 过去分词(said / reported / believed / thought / expected / decided / announced / arranged.) that 从句;d.It 不及物动词(seems / appears / happen / turns out / matters .)+ that 从句。再请大家看这个句子：What my mom likesisthat all of her family get together.（2）总结：表语从句放在系动词后。拓展：系动词的类别a.状态系动词： am / is / are / was / were / hav
4、e been / has beenb.感官系动词： sound / look / smell / taste / feelc.似乎系动词： seem / appeard.变化系动词： become / get / grow / go / turne.保持系动词： keep / stay / remain再看看这几个句子有啥乾坤?My momlikesthat all of her family get together.My mom caresaboutwhether all of her family will get together.My mom ispleasedthat all of
5、 her family can get together.My mom is notsurewhether all of her family can get together.My mom thinksitnecessarythat all of her family can get together.（3）总结：宾语从句可以放在a.及物动词后；b.介词后；c.情感类的形容词(afraid / annoyed / anxious/ashamed / glad /pleased / pround / satisfied / sorry /determined / disappointed /s
6、urprised / worried)后；d.确信类的形容词(certain/sure)后；e.v.(find / think / consider / feel / make)+it+宾语补足语后。关于同位语从句咱也来看句子：Thenewsthat my mom was illmade me sad.=The news was that my mom was ill.It made me sad.（4）总结：a.同位语从句放在抽象名词(advice / proposal / suggestion / report / announcement / claim / statement / ev
7、idence / argument / belief / conclusion / explanation / fact / feeling / hope / idea / impression / information / message / news / knowledge / opinion / order / warning / wish / probability / promise / decision / remark / saying / word / reply / thought .)后；b.可以用“抽象名词+be+从句”检验。Practice从句类型判断。1.As a
8、new graduate, he doesnt know what it takes to start a business.2.Who will take charge of the task hasnt been decided.3.The fact thatthe earth is becoming warmer and warmer these years has worried manyscientists.4.You are saying that everyone should be equal, and this is where I disagree.5.With his w
9、ork completed,the businessman stepped back to his seat, feeling pleased that he was a man of action.6.It is no wonder that youve achieved great success.7.We made it a rule that we should respect the old.4.连词先看例子：Ibelieved(that)my mom would recover from it andthatwe could get together again.（1）总结：tha
10、t：无含义，不作成分，一般不可省，如果that引导多个宾语从句时，只能省略第一个引导宾语从句的that；再看例子:I asked herwhether/if she felt good.Whether she was wellwas unknown.My concern waswhether I should send her to the hospital.The concernwhether I should send her to the hospitalwas growing.I didnt knowwhetheror not she was well .I didnt knowwhe
11、ther to go to see her.I was worried aboutwhether she was healthy.（2）总结：whether/if:意思为“是否”，不作成分，通常二者可以互换，以下情况只能用whether：引导主语从句且位于句首；引导表语从句；引导同位语从句；引导宾语从句且与 or not直接连用；与不定式连用；位于介词之后。Practicewhether/if 填空。1. (2012安徽卷)The limits of a persons intelligence, generally speaking, are fixed at birth, but _ he
12、 reaches these limits will depend on his environment.2. (2013陕西卷)It remains to be seen _the newly formed committees policy can be put into practice.3. I have no idea _he has finished the work or not.4. (2007江苏卷)We havent settled the question of _it is necessary for him to study abroad.5. -How about
13、going shopping now?-Im sorry, but I m very busy now. _I had time, I would certainly go with you.6. _ the flight to New York will be delayed is _Im especially worried about.例子：I came herebecause you was ill.（3）总结：because：意思为“因为”，不作成分。例子：She lookedas if she had been 80years old.（4）总结：as if/though：意思为“
14、仿佛，好像”，不作成分。5.连接代词一般作主语、宾语、表语、定语，有who / whoever / whom / whomever / whose / what / whatever / which / whichever，根据意思和所作成分选择即可。6.连接副词一般作状语，有when /whenever /where/ wherever / why / how (how old / many / much / far / often / soon / long)等，根据意思和所作成分选择即可。Practice:语法填空。1.(2021天津)Well or badly, I wrote at
15、least two pages a day. This is _ my novel, The Line of the Sun, was finished.2.(2015湖南)You have to know _ youre going if you are to plan the best way of getting there.3.(2014北京卷)The best moment for the football star was_he scored the winning goal.4.(2014重庆卷)- Is it true that Mike refused an offer fr
16、om Yale University yesterday?-Yeah, but I have no idea _ he did it; thats one of his favorite universities.5.(2014天津卷) I think _ impresses me about his painting is the colors he uses.6.(2014山东卷) It is difficult for us to imagine _ life was like for slaves in the ancient world.7.(2014四川卷) Grandma poi
17、nted to the hospital and said, Thats _ I was born.8.(2013湖南卷)Do not let any failures discourage you, for you can never tell _ close you may be to victory.9.(2013浙江)The only way to succeed at the highest level is to have total belief _you are better than anyone else on the sports field.10.(2013安徽卷)Fr
18、om space, the earth looks blue. This is _about seventy-one percent of its surface is covered by water.11.(2013北京卷)_makes the book so extraordinary is the creative imagination of the writer.12.(2010全国卷)-Have you finished the book?-No. Ive read up to _the children discover the secret cave.13.(2020天津卷)
19、The student completed this experiment to make come true_Professor Johnson had said.14.(2021新高考卷)This will help you to decide _ you really need to read the whole book or only certain parts of it.15.(2021新高考1卷)The amazing thing about the spring is _ the colder temperature gets, the hotter the spring!1
20、6.(2022浙江1月) Cobb, for her part, started to ask conference organizers who invited her to speak _ she could do so remotely.17.(2021北京卷) The poor woman wasnt able to give him any information about _ she lived18.(2021天津卷) It seemed that I had become _ my parents had wanted me to be.19.(2016江苏卷) It is o
21、ften the case _ anything is possible for those who hang on to hope.20.(2015重庆卷) We must find out_Karl is coming, so we can book a room for him.21. (2009陕西卷) The how-to book can be of help to _wants to do the job.22.(2010重庆卷)To improve the quality of our products，we asked for suggestions _ had used the products.23. (2012陕西卷)As many as five courses are provided, and you are free to choose _suits you best.24.(2016北京卷) Your support is important to our work. _you can do helps.学科网（北京）股份有限公司