外研版 (2019)必修 第二册Unit 5 On the road教学设计

Unit 5 On the road

Period 2 Using language 教学设计

This is the grammar part of this unit. Usually, the grammar is boring too students. So we will try many methods to arouse their interest.

1. Students can find sentences that contain v-ing as attributive in the passage
2. Students can summarize the meaning and usage of v-ing as attributive
3. Students can use sentences that contain v-ing as attributive to write a composition

1.   According to the passage, students can understand and use v-ing as attributive.
2.   After learning, students can use the structure in daily life

Step 1 introduce the structure

Let students answer the questions in Page 53

Q1：who read the blog?

Q2:  what is rising?

Q3:  when do we put the -ing form before the noun it modifies and when do we put it after?

学生总结_________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________

Step 2 explain the structure to the students

一、基本特征感悟

动词的ing形式作定语分为前置定语和后置定语。

【感悟用法】

①They talked in low voice in order not to wake up the sleeping girl.

②The student making the experiment in the lab is our monitor.

③ She found herself in an embarrassing position.

④They built a highway leading into the mountains.

【自我总结】

句①③为动词的ing形式单独作定语，放在所修饰的名词前。

句②④为动词的ing形式短语作定语， 放在该名词后。

二、主要用法精讲

一、作用

1.  v.  -ing作定语起名词的作用, 表明被修饰名词的作用、用途等。表示“供……之用”, 相当于used for doing。

*building materials = materials for building 建筑材料

*a walking stick = a stick for walking 手杖

2.动词的ing形式作定语。名词与非谓语动词之间存有逻辑上的主动关系，并且一般都可以转化为一个进行时的定语从句。

 The meeting being held now is very important.现在正在举行的会议很重要。

→The meeting which is being held now is very important.

【易错精点】

(1)表示正在进行的动作(变为从句时要用进行时态)。

*Tell the children playing there not to make so much noise. 

→Tell the children who are playing there not to make so much noise. 

告诉在那儿玩的孩子不要发出这么大的噪音

*Did you see the man talking to the manager?

→Did you see the man who was talking to the manager?

你看到那个和经理说话的人了吗?

(2)表示经常性的动作,  或现在 (或当时) 的状态(变为从句时,  用一般现在时)。

*The house standing at the corner of the street was built in 1955. 

→The house that stands at the corner of the street was built in 1955. 

坐落在街角的那所房子是1955年建造的。

3.现在分词的主动式(doing)作定语，可表示主动和动作正在进行。

We met a group of pupils returning from school. 我们碰到了一群从学校回来的孩子。

4.现在分词被动形式 (being done) 可表示被动的、正在进行的动作。

The river being polluted may do great damage to the environment. 这条被污染的河流可能对环境造成很大的破坏。

Step3 Do the exercise

Step4 Homework