主语从句教学设计

1、Unit 4 Astronomy:the science of the starsGrammar：Noun clauses as the subject一、教学目标 1. To be able to identify the subject clause by comparison, analysis and summary;2. To be fully aware of the rules of how to choose a proper introductive wordand be able to use the rules correctly by discussion and pr

2、actice;3. To be able to write subject clauses in writing by practice.二、学情分析 高一甲6班是普通班，农村学生多。他们学习热情高，看重语法知识的学习。在一定程度上将英语学习等同为语法的学习。本节课以他们看重的语法的基础部分名词为切入点，通过阐述名词在句子中担当的成份进而引出主语从句。教学过程中通过对主语从句的定义、引导词以及形式主语句型的总结，有意简化语法在学生想象中的复杂与抽象。三、重点难点 1 How to understand and use noun clauses as the subject.2. How to

3、choose the right introductive words in subject clauses.2 How to apply subject clauses to writing composition to improve our writing skills.3 How to combine individual thought with group wisdom.四、教学过程 4.1 Teaching Procedures 4.1.1教学活动 活动1【导入】Stage 1 Lead inThe students listen to the tape of HOW LIFE

4、BEGAN ON THE EARTH, coming to recognize some subject clauses.What it was to become was uncertain; The earth became so violent that it was not clear whether the shape would last or not; What is even more important is that as the earth cooled down, water began to appear on its surface; It was not imme

5、diately obvious that water was to be fundamental to the development of life; 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活动2【讲授】Stage2 GrammarFocusStep1 Definition(定义):作主语用的名词性从句，因其在复合句中作主语，称为主语从句。

6、What it was to become was uncertain.Activity 1 Read and Find1. What it was to become was uncertain; 2. The earth became so violent that it was not clear whether the shape would last or not; 3. What is even more important is that as the earth cooled down, water began to appear on its surface;Step2 In

7、troductive Words 引导词及其功能Activity 2 Analyze the introductive words with your group members1连接词that引导的同位语从句That he is a famous scientist surprised us.that在从句中_成分,_意义, 只起_作用。2连接词whether引导的同位语从句The earth became so violent that it was not clear whether the shape would last or notwhether在从句中_成分,_意义, _省略。3

8、连接代词what/which/who/whoseWhat it was to become was uncertain;Which one should I choose is not decided yet.连接代词在从句中_成分,_意义,_省略。4连接副词when/where/why/howWhen the delayed flight will take off depends on the weather.Why they suddenly disappeared is not clear. 连接副词在从句中充当_,有一定意义,表示“_” 之意.Summary引导词种类连接词有无意义是

9、否作成分能否省略从属连词thatwhether无意义不作成分不能省略有意义不作成分连接代词who, what, whichwhose, whatever,whichever, whoever有意义作主语、宾语、表语、定语连接副词when, wherehow, why有意义作状语Step3 The subject clause and “it”.Five sentence patterns of the subject clause and “it”.1) It + be +名词词组+主语从句 (常用于这种句型的名词有a pity, a shame, a wonder, no wonder等)2

10、) It + be +形容词+主语从句3) It + be +过去分词+主语从句4) It +不及物动词+主语从句 (不及物动词有happen, seem, appear, occur等.)5) It +及物动词+宾语+主语从句注：1) 与2)为主系表结构；3),4)与5)为主谓结构活动3【练习】Stage3Practice and CompetitionActivity 3 Choose the proper introductive wordsThe whole class is divided into two groups: Peking University Group and Qi

11、nghua University Group. By answering the question correctly, you will earn 10 points for your group. Prizes are waiting for you!1._ made the school proud was _ more than 90%of students had been admitted to key universities.2. _ team wins on Saturday will go through to the national championship.3._ i

12、s our belief that improvements in health care will lead to a stronger, more prosperous economy.4._ I cant understand is _ he changed his mind.5. It is widely accepted which the earth is flat. _6. It is surprised us most was that the four-year-old girl could speak seven languages._7. It is not clear

13、that the manager will do to solve the problem. _8. If or not they will finish the task on time depends on several engineers. _9. No matter who leaves the room last ought to turn off the lights. _10. If the policemen will come is not certain. _活动4【测试】 Finish the following sentences using what you have learnt in the class.1.很遗憾，海伦昨晚输掉了那场重要的比赛。_ Helen lost the important match last night.2.人们希望这些措施能帮助改善这里的空气质量。_ these measures will help improve the air quality here.3.生命如何开始的是一个谜。Its a puzzle _.4.更重要的是你得学会自学。_ is that you have to learn to study by yourself. 5.为什么它们突然消失了，至今还是个谜。_ still remains