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1、名词性从句语法主题（一） 主语从句导学案IRevision 指出下面划线部分在句中做什么成分? A tree has fallen across the road. _ You 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
2、 be late. _ IILearning subjective clauses Step 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 hasnt been decided. Whether we go by train or by boat makes no difference. Who will host the me
3、eting 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。 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 on its surf
4、ace. 3. What many scientists believe is that the continued presence of water allowed the earth to dissolve 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 depe
5、nd on whether 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，whether that 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 i
6、s 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 th
7、e 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
8、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
9、 _ Exercises 1. _ do shopping depends on the weather. A. When will we B. 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 _. 单元语法巩固提高练习 一，用正确的关系词
10、填空 1. _ you dont 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. _ well go camping tomorrow depends on the weather. 5. _ leaves the room last ought to turn off the lights. 6. _ is a fact
11、 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 Yang Liwei succeeded in circling the earth, _ our astronauts desire to do is walk in s
12、pace. 10, _ we shall spend the holiday isnt 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、_ 例6. What he needs is that book. What he needs are some books. 规律六、_ 例7. 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
