Using LanguageⅠppt课件教学实录

Unit 3 Computers ---Grammar 卢龙县潘庄中学

张丽佳

Aims of the lesson 1，

To inquire into the present perfect passive voice. 2，

To master the structure, and use it in the defined context. 3，

To listen, read, write following sentences rightly:

I have been used in offices and homes since the 1970s.

I never forget anything I have been told! Since the 1970s many new applications have been found for me.

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

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

Teaching methods:

Task-based teaching and suggestopedia Teaching aids:

Multi-media computer, PPT, chalk Teaching procedures: Step 1: Warming up (1 min)

Freetalk. Teacher say hello to everyone.

T: Good morning, boys and girls.

Tell a joke，then ask ：“Have you heard of it, and do you thing it funny ？

S：Yes

T：You have enjoyed my jok.so you may have energy to listen to me carefully.

Step 2: Leading in ( 3 min)

Show a little piece of poem, give the students a general impression about the sentences on the basis. The teacher read the first part, and then let the students read the rests part of the poem. The context of poem is as following:

Look at the way your face has been washed

Look at the way your hair has been combed

Look at the way your shoes has been cleaned

You’d better do them again.

……

Step 3: Structure

(5 min)

1, The teacher present the structure and definition of the present perfect passive voice. 现在完成时的主动语态：have\has done 现在完成时的被动语态：have\has been done

2, Characteristic

a:主语是行为动作的承受着

b,说话时已经完成的动作或出现的结果

c,动作或状态始于过去，持续到现在，并可能持续下去

d,用在时间和条件状语从句中，表示将来某时已完成的动作

Step 4: Usage (4 min)

Based on the former procedure, students had already handled the fundamental methods. In this part, students should pay attention to the extra point.

1,副词的位置：often, usually, always, never, hardly, seldom等副词置于have\has和been中间.

2, 并不是所有的动词都有被动语态

1）happen, take place, break out, belong to, cost, last等不及物动词或词组无被动语态.

2）open, break, drop等不强调动作发出者时常用主动语态.

3,

短语动词不可分割或省略其中的介词或副词. Step 5: Consolidation and exercises (6 min)

(1)Give one example from the text. Let the students find other sentences which have the same structure. Example:

First as a PC (personal computer) and then as a laptop, I have been used in offices and homes since the 1970s.

(2)

The teacher show some pictures to students. Let them do

some exercises and consolidation this grammar. (3)

The teacher give the students three College entrance examination questions, then work out them together.

Step 6: Homework (1 min)

Master this grammar structure skillfully, and then do the exercise 2 in page 21 Ending words:

“Thank you everyone here!”