人教版 (2019)必修 第一册Unit 4 Natural disasters教案

2019新人教高中英语必修一

Unit 4 Discovering Useful Structures教案

Teaching aims:

1.Enable students to identify restrictive relative clauses and explore the structures and the pragmatic function of restrictive relative clauses.

2.Sum up the usage of relative pronouns.

3.Use restrictive relative clauses to describe pictures of disasters.

Teaching key points:

1.Guide students to understand the function of restrictive relative clauses in enriching the content of sentences, describing the characteristics of things and supplementing information.

2.Enlighten students to use restrictive relative clauses to describe natural disasters vividly.

Teaching difficult points:

How to choose suitable relative pronouns to express themselves.

Step I Lead-in

Let students read a few sentences and appreciate the restrictive relative clause by answering the function of it.

“On coming back a few days afterwards,I found they had christened him‘Heathcliff’:it was the name of a son who died in childhood,and it has served him ever since,both for Christian and surname.”

Suggested answers:①the origin of the name ②the influence on his personality ③to imply his destiny

（设计意图本句摘自《呼啸山庄》第四章，通过限制性定语从句描写希斯克利夫这个名字的由来，初步体会限制性定语从句的语言作用和功能，激起学生学习的兴趣。）

Step Ⅱ Master the usage of restrictive relative clauses

Activity 1 Find and underline the restrictive relative clauses in the sentences below. What function do the restrictive relative clauses have?

1.The Tangshan earthquake was a terrible experience that my great-grandma cannot forget.

2.The couple who live next to us volunteered to help after the volcano erupted.

3. The supplies which were provided to the disaster area were collected from around the country.

4.Mr Li is an architect whose designs for the new town have won praise.

5.A doctor with whom James used to work died in the 2016 earthquake in Ecuador.

6. There were deep cracks that appeared in the well walls.

Suggested answers:

1. The Tangshan earthquake was a terrible experience that my great-grandma cannot forget.

2.The couple who live next to us volunteered to help after the volcano erupted.

3.The supplies which were provided to the disaster area were collected from around the country.

4.Mr Li is an architect whose designs for the new town have won praise.

5.A doctor with whom James used to work died in the 2016 earthquake in Ecuador.

6. There were deep cracks that appeared in the well walls.

限制性定语从句、先行词、关系词小结

①限制性定语从句是指在复合句中，修饰名词或代词的从句，充当形容词使用。

②先行词被定语从句所修饰的名词或代词。③关系词（引导词）∶引导定语从句的词叫关系词，关系词分为关系代词和关系副词。

Activity 2 Discuss in groups to use a table to summarize the classification and usages of restrictive relative clauses.

Suggested answers:

Activity 3 Complete each sentence with suitable relative pronouns. Then translate the sentences into Chinese.

1. Here are some of the people __________homes were destroyed by the typhoon.

2. The terrible shaking of the building woke up all the people__________were asleep.

3. The next day,people put up shelters in the open air using anything__________they could find.

4. Several days later,most of the buildings__________ had been damaged by the hurricane were repaired.

5.The injured boy__________mother was lost in the disaster was taken to the hospital.

6. The woman wrote a thank-you letter to the soldier by__________she was rescued.

7. Is this the young boy__________saved several other students trapped under buildings?

Suggested answers:

1. whose 2. who  3.that  4.that/which  5.whose  6.whom  7.who/that

翻译

1.这些人的家园被台风摧毁了。

2.建筑物可怕的摇晃把人们从睡梦中惊醒。

3.第二天，人们用能找到的一切物品在空地上搭建起避难所。

4.几天以后，大多数被飓风破坏的建筑物得到了修缮。

5.那个母亲在灾难中失踪的受伤男孩被送去了医院。

6.这位女士给营救他的战士写了一封感谢信。

7.这就是那个从建筑物下面救出了好几位被困学生的男孩吗?

Step Ⅲ   Discuss in groups to summarize the usage of relative clauses.

定语从句四步法①找出先行词是人还是物。②找出定语从句。

③确定关系词在从句中的成分。④确定关系词。

Step IV Use restrictive relative clauses to describe pictures of disasters.

Work with a partner. Take turns to ask each other about the pictures. Make sentences with restrictive relative clauses using that,which,who,whose,or whom.

Example:

A:What's the rescue worker doing

B:She's feeding the baby who survived the earthquake.