主語從句練習(xí)(共14頁)

1、精選優(yōu)質(zhì)文檔-傾情為你奉上主語從句講解及練習(xí) 主語從句一、概述：在句子中起名詞作用的各種從句統(tǒng)稱為名詞性從句。根據(jù)它們在句中的語法作用，這類從句又可分為主語從句、同位語從句、表語從句和賓語從句。 二.主語從句主要有三類：（1） 由連詞that引導(dǎo)的主語從句:引導(dǎo)詞that無含義,在句中不做成分,不可以省。例如：That you will win the medal seems unlikely.你想獲得獎牌看起來是不可能的。That you are so indifferent bothers me.你如此冷淡使我很煩惱。That she survived the accident is a

2、miracle.她在事故中幸免于難簡直是奇跡。（2） 用連詞 whether 引導(dǎo)的主語從句:whether有含義(是否),在句中不做成分,不可以省。例如：Whether she is coming or not doesnt matter too much.她來不來都無關(guān)緊要。（3） 用連接代詞引導(dǎo)的主語從句(在由連接代詞who, whose, whom, which, what, whoever, whomever, whichever, whatever引導(dǎo)的名詞性從句中，其連接代詞在句中起名詞性作用，擔當一定成分).例如：What you need is more practice.你

3、所需要的是更多的訓(xùn)練。What I want to know is this. 我想知道的就是這事。Whatever we do is to serve the people.我們無論做什么都是為人民服務(wù)。（4）連接副詞when, where, why, how引導(dǎo)的名詞性從句(其連接副詞有含義,在句中作狀語。)eg:Where we should leave it is a problem.When they will come hasnt been made pubic.他們什么時候來還不知道。三.注意點:1.it 做形式主語,而將主語從句放在句末（尤其是當謂語較短時）。例如：That l

4、ight travels in straight lines is known to all.光沿直線傳播，這是眾所周知的事。=It is known to all that light travels in straight lines.眾所周知光沿直線傳播。When the plane is to take off has not been announced .飛機何時起飛還沒有宣布。= It has not been announced when the plane is to take off.還沒有宣布飛機何時起飛。(當what引導(dǎo)的主語從句表示“的東西”時，一般不用it作形式主語

5、。)錯:It is a book what he wants.對:What he wants is a book. 他想要的是本書。例如：Has it been settled who will be sent to carry out the task ?誰將被派去執(zhí)行這項任務(wù)決定了嗎 ？固定用法和譯法（1） It is +名詞+從句It is a fact that 事實是It is good news that 是好消息It is a question that 是個問題It is common knowledge that 是常識類似的名詞還有：a pity；a wonder；a go

6、od thing； no wonder； surprise等。例如：It is a mystery to me how it all happened.這一切是怎么發(fā)生的是個謎。It is common knowledge that the whale is not a fish.鯨魚不是魚，這是常識。It is no surprise that Bob should have won the game.鮑勃會贏得這場比賽，這不足為奇。（2） It is +形容詞+從句It is necessary that 有必要It is clear that 很清楚It is likely that 很

7、可能It is important that 重要的是類似的形容詞還有：strange; natural; obvious; true; good; wonderful; possible; unlikely; quite; unusual; certain; evident; worth-while; surprising; interesting; astonishing, etc.例如：It is obvious that conductors and insulators are both important in industry.很明顯導(dǎo)體和絕緣體在工業(yè)中都很重要。It is do

8、ubtful whether she will be able to come.她是否能來令人懷疑。It was really astonishing that he refused to talk to you .他拒絕和你說話真是令人驚訝。It is essential that he should be here by the weekend .周末之前，他應(yīng)該到這里是必要的。It seems obvious that we can not go on like this.很明顯我們不能這樣下去了。（3） It is +過去分詞+從句It is said that 據(jù)說It is rep

9、orted that 據(jù)報道It has been proved that 已證明It must be proved that 必須指出類似的過去分詞還有：known; estimated; expected; believed; thought; hoped; noted; discussed; required; decided; suggested; demanded; made clear; found out,etc.例如：It is thought that he is the best player.大家都認為他是最好的選手。It is estimated that the va

10、se is 2000 years old.據(jù)估計這個花瓶有2000年的歷史。It is used to be thought that a new star must be due to a collision between two stars. 過去一直認為新星是由于兩顆星星之間碰撞產(chǎn)生的。It has not been made clear when the new road is to be opened to traffic.還沒弄清楚這條路將開始通車。It does not matter if I missed my train, because there is another

11、later.沒有趕上這趟火車沒有關(guān)系，稍晚還有一趟。It happened that I saw him yesterday.碰巧我昨天看見他了。當“及物動詞 + 賓語”較短時，也可用這種結(jié)構(gòu)。例如：It shocked me that Peter did not tell anybody where he was.讓我吃驚的是彼得沒有告訴任何人他在哪里。It does not interest me whether you go or not.我對你去不去不感興趣。2.只用whether不用if引導(dǎo)主語從句.填空11. _ as much as one-fifth of all timber

12、 harvested is not used.2. _ some mammals came to live in the sea is not known.3. _ we have achieved is attributed to the guidance of our parents.4. _ wealthy does not necessarily mean that a man is greedy.5. Although _ happened in this developed country sounds like science fiction, it could occur el

13、sewhere in the world.6. _ she had forgotten to take her notebook.7. I am sure that _ she said is wrong.8. We lost our way in the forest, and _ made matters worse was that it was getting dark.9. _ some mammals came to live in the sea is not known.10. _ or not is still uncertain.11. Its _ hell be able

14、 to come.12. _ he is at work in the heart of the big city or at home in the quiet suburb, Dicks life is tied to machines.13. _ he saw both surprised and frightened him.14. _ is a spell of warm sunshine.15. _ is a pity that he should feel so upset. 16. _ a spoonful of soil can tell us so much about t

15、he structure and early history of the moon.17. _ you nominate will be elected. 18. _ book you borrow must be returned within a week.19. _ of us gets home first starts cooking.20. _orders he gives are obeyed.填空21._ makes mistakes must correct them.2. It worried her a bit _ her hair was turning grey.3

16、.When and why he came here _ yet.4. _ is no reason for dismissing her.5. _ Tom liked to eat was different from _.6._ we go swimming every day _ us a lot of good.7.It _ Bob drives badly.8.It's uncertain _ the experiment is worth doing.9._ the boy didn't take medicine made his mother angry.10.

17、_ we can't get seems better than _ we have.11._ you don't like him is none of my business.12._ we'll go camping tomorrow depends on the weather.13._is going to do the job will be decided by the Party committee.14._we'll finish translating the book depends on the time.15._he won't

18、 go there is clear to all of us.16._the house will be built will be discussed at tomorrow's meeting.17. ._you come or not is up to you.18._makes mistakes must correct them.19._team will win the match is a matter of public concern.20._leaves the room last ought to turn off the lights.A. is not kn

19、own C. The fact that she was a few minutes lateD. Whatwhat you had expected主語從句練習(xí)題即學(xué)即用 I. 用適當?shù)脑~填空,使句子意思完整。1. _ he didn t attend the meeting yesterday wasn t quite clear.2. The Foreign Minister said, “ It is our hope _ the two sides will work towards peace.”3. _ team will win the match is still unkno

20、wn.4. _ comes to the party will receive a present.5. _ Mary has left is still a question.6. It s reported _ three people were killed in the accident and five were hurt badly.7. _ he solved the problem successfully interested all of us.8. We usually think _ we can t get seems better than what we have

21、.9. It is a fact _ English is being accepted as an international language.10. _ is to be sent there to solve the problem hasn t been decided. II. 下列各句中均有一處錯誤,請改正。1. That the old man s son wanted to know was where the gold had been hidden.2. It is reported when China has successfully sent Shenzhou VI

22、 spaceship into space.3. If he can finish his task on time is of great importance.4. Whether the 2008 Olympic Games will be held in Beijing excited the whole nation.5. After Yang Liwei succeeded in circling the earth, which our astronauts desire to do is walk in space.6. Whatever leaves the room las

23、t ought to turn off the lights.7. Why they will solve the serious problem today has not been decided.8. When will win the English competition is still a problem.9. How our spring sports meet will be held or not this week is not known yet.10. It s strange when he should have gone away without telling

24、 us. GRAMMAR主語從句學(xué)習(xí)指導(dǎo)尋規(guī)找矩 請觀察下列句子,注意主語從句的用法。1. That the earth travels round the sun is a well-known fact.2. It is uncertain whether the artist can do it or not.3. Who will act the lead in the play has not been decided yet.4. Where the young man has gone is not known.5. It is not yet decided when and

25、where the test will be given.常見錯誤展示 下列各句均有一處錯誤,請改正并分析錯誤的原因。1. Light travels faster than sound is common knowledge.2. If she s coming or not doesn t matter much.3. That the professor said is of great importance.4. Where will the trees be planted has not been decided.5. No matter who breaks the rule w

26、ill be punished.6. When and where the meeting will be held still remain a question.7. What were your problems a year ago has now become mine.8. It was requested that everyone made a speech at the meeting.C) what part they play in D) in what part they play1. It didn t surprise us at all _ he was post

27、 to Hong Kong.A) why B) how C) what D) that? 6. It is pretty well understood _ controls the flow of carbon dioxide in and out the atmosphere today.A) that B) that what C) what D) how6. _ we ll go camping tomorrow depends on the weather.A) If B) Whether C) That D) Where7. _ we ll go camping tomorrow

28、has kept us all excited the whole day.A) If B) Whether C) That D) Where8. He will tell us _ he thinks of our arrangement.A) that B) what C) how D) if9. Sarah hopes to become a friend of _ shares her interests.A) whoever B) whomever C) no matter who D) no matter whom E) anyone11. _ his failure lies i

29、s expected _ clear to us.A) What to make B) How madeC) Where to be made D) Why making2. Dr. Smith comes from either Yale or Harvard I can t remember _.A) where B) there C) which D) that3. You can depend on _ promise he makes.A) anything that B) which C) whatever D) whose5. We never know _ he is. The

30、y say he is a salesman.A) who B) what C) how D) which E) whoever4. The main fact(or)s in human life are five: birth, food, sleep, love and death. (One could increase the number add breathing for instance but these five are the most obvious.) Let us ask ourselves _ our lives.A) they play in what part

31、 B) they play what part in5. I really don t see _.A) what is the fun of playing dead B) what the fun of playing dead isC) what fun to play dead is D) what is the fun to play dead6. A look at recent trends in world fisheries reveals _ the ocean on a global scale.A) how we have swiftly affected B) tha

32、t how swiftly we have affectedC) how swiftly we have affected D) however swiftly we have affected7. A little learning is not dangerous so long as you know _.A) that B) that there is a little C) it is a little D) that it is little3. The reason _ he referred to for his success is _ he always working h

33、ard. A) why, that B) why, because C) that, that D) that, because8. While teaching students, teachers should take into consideration _ students develop at different rates.A) the fact that B) since C) as long as D) despite of9. Meeting my uncle after all these years was an unforgettable moment, _ I wi

34、ll always treasure.A) that B) one C) on which D) what10. The Foreign Minister said, “ _ is our hope that the two sides will work towards peace. ”A) This B) There C) That D) It10. The thought worried him much _ he might fail in the exam.A) that B) which C) when D) so that10. Now that energy prices ar

35、e rising so rapidly, further prices are very uncertain, and the risk _ a new investment depending on them may fail is greater.A) by which B) of C) that D) in that27. There are signs _ restaurants are becoming more popular with families.A) that B) which C) in which D) of which28. There s a feeling in

36、 me _ we ll never know what a UFO is not ever/never. A) that B) which C) of which D) what29. The theory is of great important _ the hotter a body is, the more it radiates.A) that B) when C) which D) what30. Evidence came up _ specific speech sounds are recognized by babies as young as 5 months old.A

37、) that B) whose C) which D) what31. Information has been put forward _ more middle school graduates will be admitted to universities.A) while B) that C) when D) as31. A story goes _ Elizabeth I of England liked nothing more than being surrounded by clever and qualified noblemen at court.A) when B) w

38、here C) what D) that32. The possibility never occurred to me _ I would unexpectedly enter such a big band and work in Wall Street.A) when B) that C) / D) how33.Word got around _ he had resigned his position as secretary of the committee.A) when B) after C) that D) which33. _ is no possibility _ Bob can win the first prize in the match.A) There that B) It that C) There whether D)It whether34. Her unusual success shows that if someone can do their job really well, then the question _ male or female is not so important.A) if they are B) of wh