主语从句教学设计

Unit 4 Astronomy：the science of the stars

Grammar：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 word and be able to use the rules correctly by discussion and practice;

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。在一定水准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 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 in

The students listen to the tape of HOW LIFE 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 immediately 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 Grammar Focus

Step1 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。What it was to become was uncertain.

Activity 1 Read and Find

1. 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 Introductive Words 引导词及其功能

Activity 2 Analyze the introductive words with your group members

1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 not

whether在从句中_____成分,__意义, _______省略。

3连接代词what/which/who/whose

What 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/how

When 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.

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) 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】Stage3 Practice and Competition

Activity 3 Choose the proper introductive words

The whole class is divided into two groups：Peking University Group and Qinghua 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.________ is our belief that improvements in health care will lead to a stronger, more prosperous economy.

4._________ I can’t understand is ________ he changed his mind.

5. It is widely accepted which the earth is flat. _____________