高一年级必修三名词性从句语法专题（一）主语从句（Noun Clauses as the Subject）I．RevisionWhat part does the underlined part serve as in each sentence?A tree has fallen across the road. ____________Y ou are a student. ____________To find your way can be a problem. ____________Smoking is bad for you. ____________“How do you do?” is a greeting. ____________What she said is not yet known. ____________That we shall be late is certain. ____________It is certain that we shall be late. ____________II．Learning subjective clausesStep 1划出主语从句, 初步识别主语从句How you got me blind is still a mystery.That she had won the first prize made the girl very happy.When and where we will hold the meeting hasn’t been decided.Whether we go by train or by boat makes no difference.Who will host the meeting is still a serious problem.Whoever comes to China is welcome..Step 2 看以下的主语从句，总结主语从句的位置特点。
阅读第四单元的课文，分析下列文中的主语从句，并进行小组讨论。
1.What it was to become was uncertain until between 4.5 and 3.8 billion years ago.2.What is even more important is that as the earth cooled down, water began to appear onits surface.3.What many scientists believe is that the continued presence of water allowed the earth todissolve harmful gases and acids into the oceans and seas.4.Why they suddenly disappeared still remains a mystery.5.So whether life will continue on the earth for millions of years to come will depend onwhether this problem will be solved.先划分句子，归纳出主语从句所在的位置，根据以上主语从句实例，_____________________________________Step 3 学习主语从句的主要连接词1）从属连词：that，whetherthat引导主语从句只起引导作用，本身无实际意义，在主语从句中不充当任何成分，但不能省略。
That she left him cut him to the heart.That he will come is certain.Whether有词义，意为“是否”，但不担任任何句子成份，不能与if替换。
Whether it will please them is not easy to say.Whether life exists on other planets is not clear.2)连接代词who, what, which, whatever, whichever, whoever, 有词义，且在句中担任主语，宾语，表语或定语。
What seems easy to some people seems difficult to others.Whose car runs faster should be tested.Which side will win is not clear.Whatever you do in the future is decided by yourself.3)连接副词when, where, how, why,有词义，且在句中担任状语。
When they will start is not known yet.Where he would go to study after graduation is still unknown to us.How he became a great scientist is known to us all.Why he did it remains a mystery.Step 4总结主语从句的规则：给出一组实例，让学生进行讨论，总结出相应规则，并进行练习。
1. Where will the meeting be held is not decided.Where the meeting will be held is not decided.2. When will the work be finished is unknown.When the work will be finished is unknown.3. What will he do after graduation is a question.What he will do after graduation is a question.结论_______________________________________________________Exercises1. _____ do shopping depends on the weather.A. When will weB. When we willC. What will weD. What we will 改写句子1. When will the scientist give a report? It is still a question.When _________________________________________.2. Why is they earth becoming warmer? It is an important topic to scientists.Why _______________________________________________.Ⅲ单元语法巩固提高练习一，用正确的关系词填空1. _____ you don’t like him is none of my business.2. _____ he said at the meeting astonished everybody present3. ________ the 2000 Olympic Games will be held in Beijing is not known yet.4. ________ we’ll go camping tomorrow depends on the weather.5. _______ leaves the room last ought to turn off the lights.6. ___ is a fact that English is being accepted as an international language.7. It worried her a bit ____ her hair was turning grey.8. The Foreign Minister said, “__is our hope that the two sides will work towards peace.”9. After Y ang Liwei succeeded in circling the earth, ____ our astronauts desire to do is walk in space.10, ________ we shall spend the holiday isn’t decided.二，找出下列主语从句中的错误，并总结规律例1. When will he come is not known.,规律一、_____________________________________________________________例2. He will not come to the meeting this evening is true.规律二、_____________________________________________________________例3. If the meeting will be put off has not been decided yet.规律三、____________________________________________________________例4. That whether he will help others is a fact.规律四、___________________________________________________________例5. When he will come are a puzzle.规律五、_____________________________________________________________ What he needs is that book.规律六、__________________________________________________________That the earth turns around the sun is known to all.规律七、__________________________________________________________三，单项选择1, ________ made the parents proud was that their daughter had been admitted into the Peking University.A. HowB. WhatC. ThatD. When2, ________ has helped to save the drowning girl is worth praising.A. WhoB. The oneC. AnyoneD. Whoever3, ________ is known that those actions that people dislike go against the will of people.A. AsB. ItC. WhatD. That4, After five hours’ drive, they reached ________ they thought was the plac e they’d been dreaming of.A. whatB. whereC. whichD. that5, ________ anyone should want to kill her was unbelievable.A. WhetherB. ThatC. WhatD. If6, ________ the ancient Egyptians built the pyramids puzzled people for centuries.A. HowB. WhatC. WhetherD. Where7, ________ I can’t understand is ________ she wants to change her mind.A. What; whyB. Which; howC. That; whyD. What; because8, ----Did you hear the news this morning?----Oh, yes, _____ was announced on the radio has caused great excitement among pupils.A. thatB. whatC. somethingD. all what9, In some countries, ________ are called “public schools” are not owned by the public.A. whichB. asC. whatD. that10, ________ happens in the world makes us happy and sad by turns.A. ThatB. WhatC. WhichD. Whether四，英汉互译1, That China has the w orld’s largest population is a well-known fact.__________________________________________________________________________ 2, Is it true that the scientist will give us a lecture next week?__________________________________________________________________________ 3, When the person was murdered is still unknown?__________________________________________________________________________ 4, It is clear that they have been fooled.__________________________________________________________________________ 5, Whatever is worth doing should be done well.__________________________________________________________________________ 6, 他偷了一部自行车是真的。