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【语法讲练 高考调研】2017届高三英语一轮复习课件(外研版 ):第九节 名词性从句 (共41张PPT)


第九节

名词性从句

[考情分析] 名词性从句 ( 主语从句、宾语从句、表语从句、同位语从句 ) 是课标卷的难点,一般情况下,语法填空与短文改错共计会出现 一道题目。但书面表达中的名词性从句绝对是“增分点”。

破题攻略 考点突破

技法指导 习题集训

名词性从句的考点主

要集中在从句的引导词上。解决此类题 首先要明确各种名词性从句都由哪些词来引导,再通过句子结构 判断出是名词性从句后,分析从句所缺的句子成分及所填的词要 表达的具体意义,从而明确答案。

[典型例题 1] (2014· 高考全国大纲卷)Exactly the potato was

introduced into Europe is uncertain,but it was probably around 1565.
解析:句意:土豆被引进到欧洲的确切时间还不确定,但可 能是在 1565 年左右。所填词引导主语从句,并在从句中作状语, 表示时间,故用 when。
答案:when

[典型例题 2] (2015· 高考课标 Ⅱ 卷 ) . .. , the Pueblo Indians figured out exactly 50 thick the adobe walls needed to be to make the cycle

work on most days.

解析:考查连词用法及理解语境的能力。句意:为使循环在 大多数日子持续下去,普韦布洛印第安人精确地计算出了土坯房 的墙需要多厚。 空格后面的 thick 是一个形容词, 填 how 引导宾语 从句,从句作 figured out 的宾语。
答案:how

考点一

that 引导的名词性从句

1.that 引导主语从句 ①That you didn’t know the rules won’t be an excuse for your failure. 你不知道规则不能成为你失败的借口。

②As I searched the name Linda on the Internet,it became evident that there’re two with the same name who look completely different. 当在网上搜索 Linda 这个名字的时候,很显然有两个看着完 全不同但姓名相同的人。 ③It is announced in today’s newspaper that Obama will pay a visit to China next week. 今天报纸上宣称奥巴马下周要对中国访问。

连词 that 在引导名词性从句时本身没有意义,在从句中不担 任任何句子成分,但引导主语从句、表语从句、同位语从句时不 能省略。在宾语从句中有时可省略。 ?1?that 引导主语从句位于句首时,本身无意义,但是不可省 略。 ?2?that 从句作主语时,常用 it 作形式主语,常见的句型有: ①It+be+形容词?obvious,true,natural,surprising,good, wonderful,funny, possible,likely,certain,probable,etc.?+ that 从句。

②It+be+名词词组?no wonder,an honor,a good thing,a pity,no surprise,etc.?+that 从句。 ③It + be +过去分词 ?said , reported , thought , expected , decided,announced,arranged,etc.?+that 从句。

2.that 引导宾语从句 ①(2013· 高考北京卷 )Experts believe that people can waste less food by shopping only when it is necessary. 专家认为可以通过只有必须时才购物这一方法减少食物的浪 费。 ②Tom is a nice boy,except that he is sometimes late for school. 汤姆是个很棒的男孩,除了有时上学迟到。

③I find it necessary that we should spend more time practising spoken English. 我发现我们有必要花更多时间练习英语口语。

?1?常见的可以接 that?that 可以省略?从句作宾语的动词有 see, say, know, imagine, discover, believe, tell, show, think, consider 等。在可以接复合宾语的动词之后,如 think,make,consider 等, 可以用 it 作形式宾语。 ?2?that 从句一般不能充当介词宾语,偶尔可作 except,in 的 宾语。

3.that 引导表语从句和同位语从句 ①My decision is that all of us are to start at 6 o’clock tomorrow morning.(表语从句) 我的决定是我们所有人明天早上 6 点出发。 ②He has made a promise to his boss that he’ll return in three days as long as he can get to the destination in time.(同位语从句) 他向他老板承诺只要他能及时到达目的地就会三天后回来。

?1?that 引导表语从句时,一般不能省略。,?2?that 引导同位语 从句时,应在某些抽象名词如 fact , hope , desire , thought , suggestion,idea,news,problem,possibility 等后,对前面的名 词起补充说明的作用, that 只起引导作用, 在从句中不充当任何成 分,但一般不能省略。

考点二

whether/if(是否)引导的名词性从句

①It remains to be seen whether the newly formed committee’s policy can be put into practice. 新组成的委员会制定的政策是否能实施还有待观察。 (主语从 句,不可用 if 代替 whether) ②I didn’t know whether/if he would attend the concert. 我并不知道他是否参加音乐会。 ( 宾语从句,可用 if 代替 whether)

③The question is whether it is worth trying. 问题是值不值得试一试。(表语从句,不可用 if 代替 whether) ④He asked her the question whether they can be friends. 他问她一个问题:他们能否成为朋友。(同位语从句,不可用 if 代替 whether) ⑤I worry about whether he can pass through the crisis of his illness. 我担心他是否能熬过这次疾病危机。(介词后的宾语从句中, 不可用 if 代替 whether)

1.whether 和 if 在宾语从句中经常可以互换,但下列情况常 用 whether,不用 if。 (1)与 or 或 or not 连用时只能用 whether。 (2)从句作介词宾语时只能用 whether。 2. 在引导主语从句、 表语从句和同位语从句时一般用 whether 不用 if。

考点三 句

who,why,how,where,when 等引导的名词性从

①It never occurred to me how tough it was to begin a new life in a strange city.我从来也没有想过在一个陌生的城市开始新生活 是多么困难。 ②When opportunity knocks,please answer the door.Don’t keep asking who it is. 当机会来敲门时,请开门,不要总是问那是谁。

③I don’t know why it was that our headmaster was ab?sent from such an important meeting. 我不知道到底为什么我们的校长缺席如此重要的会议。 ④(2015· 福州质检)Some students even have no idea of why they are studying,so they waste much time playing. 有些学生甚至不知道他们为什么学习,所以他们浪费了很多 时间来玩。 ⑤We have some doubt whether they can complete the task on time. 我怀疑他们是否能按时完成任务。

1.who,why,how,where,when 等引导主语从句时,常用 it 作形式主语。 2. 能接以上词引导的宾语从句的动词很多, 常见的有 see, tell, ask,answer,know,decide,imagine,suggest,doubt,wonder, show,discuss,understand,inform,advise 等。 3.以上词可引导介词的宾语从句。 4.以上词还可引导表语从句和同位语从句。

考点四

what,whever 引导的名词性从句

①(2014· 高考浙江卷 )“Every time you eat a sweet , drink green tea.”This is what my mother used to tell me.(表语从句) “每次你吃糖的时候要喝点绿茶。”这是我妈妈过去常常告 诉我的事情。 ②Whoever wants to stay in a hotel has to pay their own way.(主语从句) 任何一个想要住旅店的人都必须自己付钱。

③We promise whoever attends the party a chance to have a photo taken with the movie star.(宾语从句) 我们承诺无论谁参加晚会,都有一次机会与这位电影明星合 影。 ④Whatever/No matter what you say, I will not believe you.(让 步状语从句) 无论你说什么,我都不相信。

1.what 引导名词性从句时,what 在从句中作主语、宾语、 表语、定语。 2.“疑问词+ever”可引导名词性从句,在从句中要充当一 定的成分。whoever 与 whatever 表泛指,意为“无论谁”,“无 论什么”;whichever 表示在特定范围内选择,意为“无论??的 哪一个/哪一些”。 3.“疑问词+ever”还可以引导让步状语从句。 4.“no matter+疑问词”只能引导让步状语从句。

考点五

同位语从句与定语从句的区别

①The news that they had won the game soon spread over the whole school. 他们赢得比赛的消息很快就传遍了整个学校。(同位语从句, 进一步解释 the news 的内容) ②The news(that)you told me yesterday was really

disappointing. 你昨天告诉我的消息真的很令人失望。(定语从句,它指的是 “你昨天告诉我的那个消息”)

1.同位语从句是对前面名词的内容作进一步的解释、说明, 引导词 that 只起引导作用,在句中不作任何成分,一般不可省略。 2.定语从句是对前面名词进行修饰、限制,引导词在句中作 一定的句子成分。

Ⅰ.单句语法填空 1 . (2015· 高 考 北 京 卷 变 式 )I beauty comes from within. 2.(2015· 高考安徽卷变式)A ship in harbor is safe,but that’s not ships are built for. truly believe

3.(2015· 高考浙江卷变式)If you swim in a river or lake,be sure to investigate is below the water surface.Often Mary

there are rocks or branches hidden in the water. 4. (2015· 高考福建卷变式 )—I wonder has kept her figure after all these years. —By working out every day. 5 . (2015·高 考 湖 南 卷 变 式 )You have to know

you’re going if you are to plan the best way of getting there.

6 . (2015·高 考 重 庆 卷 变 式 )We Karl is coming,so we can book a room for him.

must

find

out

7. (2015· 高考陕西卷变式)Reading her biography, I was lost in admiration for literature. 8. she would like to discuss with me was Doris Lessing had achieved in

while everybody said she was a lazy person,she did not think so.

9.When you are reading,make a note of think is of great importance.

you

10.The police went to the suspect’s house and searched for they could find to prove him guilty.

答 案 : 1.that 或 不 填 6.when 7.what

2.what

3.what

4.how

5.where

8.What;that 9.what

10.whatever

Ⅱ.单句改错 1. (2015· 高考四川卷)The exhibition tells us what we should do something to stop air pollution. 2.That’s what I don’t agree.There are many examples to show girls can do as well as boys. 3.Many experts hold the belief what teachers’ development is important as well.

4.It is hard for us to imagine how life was like for slaves in the ancient world. 5.The best moment for the football players was that they scored the winning goal.

答案:1.what→how/why 3.what→that 4.how→what

2.what→where 或 agree 后加 with 5.that→when

Ⅲ.语篇填空 A I am going to tell you an unbelievable thing that happened in my restaurant today. This afternoon a poorlydressed gentleman came into my restaurant.Nobody knew 1. he was.We wondered 2. he was so hungry.We were surprised 3. he finished two orders of food in a very limited time.We doubted 4. the man was able to pay the bill.The gentleman asked 5. we would mind waiting for just a few minutes.Then we were shocked to see 6. he took out of a letter and a million pound bank note.

I asked Mr.Clements 7.

it was

genuine.Mr.Clements said it was true because two of this amount had been issued by the Bank of England this year.He thought 8. the gentleman showed them couldn't be a fake. 9. a gentleman with a million pound bank note

was in rags and ate in our small restaurant was a big puzzle to all the people there.I really couldn't describe 10. I was. excited

答 案 : 1.who 6.that 7.whether/if

2.why 8.what

3.that 9.Why

4.whether/if 10.how

5.whether/if

B Miss Lee and her classmate May went to Guizhou and worked as volunteer teachers 1. mountain from 2. the school 3. they graduated from they could see the whole village and they were looking forward to for long.The there were university.It took them three hours to reach the top of the

moment they arrived at the school 4.

beautiful flowers and tall trees , they felt quite relieved.5. impressed them most was 6. the students studied

extremely hard though they even lacked textbooks.It struck them

7. 8. faces 10.

they had collected some textbooks and cartoon books they came to the school.There is no denying the fact 9. encouraged them a lot.

Lee and May would never forget the big smiles on the students'

答案:1.after 6.that 7.that

2.where 8.before

3.that/which

4.where

5.What

9.that 10.which/that


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