Using LanguageⅠ第一课时教学实录

Unit 3 Computers Period 5 Grammar 教学设计

I. Teaching contents：The Present Perfect Passive Voice

II. Teaching aims：

1. Learn the present perfect passive voice. 2. Understand some difficult sentences and the passage better. 3. Use the present perfect passive voice to write a composition of Wuhan. III. Key points & Difficulties Key points: To get the students to know the Present Perfect Passive Voice and learn how to use the Present Perfect Passive Voice. Teaching Difficulties To enable the students to use the Present Perfect Passive Voice correctly

IV.Teaching methods Discussing, summarizing and practicing. V. Teaching procedure: Step 1: Lead-in

Watch the video about mistakes of he present perfect homework

Step 2: Grammar explanation. Change the following sentences into the present passive voice.

1). The robot has _______ the flowers. 2).

The robot has _______ the clothes

3）The robot has ______ the bed. 4）The robot has _______ the floor. 5）The robot has ________ the windows. Teacher help the students deal with how to express the Present Perfect Passive Voice. 1.The structure of the present perfect passive voice is:

have / has ＋

been＋~ed 现在完成时的被动语态表示动作发生在过去, 到现在已经完成或对现在仍有影响。

主动语态即主语为动作的执行者；被动语态即主语为动作的承受者。现在完成时的被动语态同它的主动语态一样，强调过去的动作对现在造成的影响或结果，但主语为动作的承受者，表示“……已经被……”。

1). 现在完成时被动语态的肯定式为：

have / has + been + done 2). 现在完成时被动语态的否定式为：

have / has + not + been + done 3). 现在完成时被动语态的一般疑问句需将have / has提到主语的前面

4). 现在完成时被动语态的特殊疑问句为：疑问词

+ have / has + been + done 2. 现在完成时的被动语态表达以下两个概念：

1). 说话时已经完成的动作或出现的结果。

2). 主语是行为动作的承受者。

3.

主动语态变被动语态的方法

Step 3: Practice.

Pick out sentences in the present perfect passive voice from the reading text. 1. Since the 1970s many new applications have been found for me.

2. I have also been put into robots and used to make mobile phones as well as help with medical operations.

3. I have even been put into space rockets and sent to explore the Moon and Mars.

Step 4. Exercise for consolidation. Write a composition about WUHAN using the present perfect passive voice. Step 5: Homework. 1. Try to remember the form of the Present Perfect Passive Voice.