Learning about Language第一课时导学案

必修2

Unit 3

Computers

课题

Period 3: learning about Language

知识目标: Learn the Present Perfect Passive Voice. 课时

1 教学

目标

能力目标：

Help the students master the way of using the correct voice, telling the differences between the active voice and the passive voice.

教学

准备

重点

难点

PPT 教学重点：Learn the Present Perfect Passive Voice. 教学难点：How to use the Present Perfect Passive Voice.

教师活动

学生活动

个人修改

教

学

过

程

教

学

过

程

Step 1: Revision and leading-in 1.

Check the homework first

Ex1:

1 totally

2 revolution

3 artificial intelligence

4 birth

5 simple-minded

6 go by

7 deal with 8 network

9 truly

10 anyway

2. Leading-in Say: ask the Ss to distinguish different types of sentences.)

(1)An opinion is what someone believes is true but has not been proved. (2)So even the olive wreath has been

replaced! 3.Guessing Game: to test your sense of observation to test your ability of short-term memory

to test your ability to highlight the language points

Step2: Discussion : learning the structure Give some explanations 1构成：

主动语态

被动语态

现在完成时

现在完成时被动语态的各种句式：

[肯定式]

have/has＋been＋done

The desks have been cleaned.

这些桌子擦干净了。

[否定式]

have/has＋not＋been＋done

The desks have not been cleaned.

这些桌子还没有擦干净。

[疑问式]Have/Has＋主语＋been＋done? —Have the desks been cleaned? —No，they haven't.

桌子擦干净了吗？

不，还没有。

Step 1: Revision and leading-in

ask them to make some sentences , using the Present

Perfect Passive Voice.

Step2: Discussion : learning the structure

[特殊疑问式]

疑问词＋have/has＋主语＋been＋done?

How long have the desks been cleaned？

桌子擦干净有多久了？

2. 3.现在完成时被动语态的主要用法

1) 当动词为短暂动词时，可与already或yet连用。例如：

The work has already been finished. 工作已完成了。

I'm sorry，but the letters haven't been typed yet. 很抱歉，这些信件还没有被打印出来。

2) 当动词为持续动词时，常与for或since引导的时间状语连用，或用于How long...？句型中。例如：

The plan has been discussed for nearly 2 hours. 这项计划已被讨论了近两个小时了。

3．2) 当动词为持续动词时，常与for或since引导的时间状语连用，或用于How long...？句型中。例如：

The plan has been discussed for nearly 2 hours. 这项计划已被讨论了近两个小时了。

3)

副词的位置

often, usually, always, never, hardly, seldom等副词置于

have/has和been中间。如:

[误] Such a man has been hardly

believed.

[正] Such a man has hardly been

believed.

Step3: Practice and exercises

Step3: Practice and exercises Change the following

1.Change the following sentences into the Present sentences into the Present Perfect Passive Voice. Perfect Passive Voice.

!). We have completed all the

preparations for the task, and

we’re ready to start.

2). This company has

produced

new types of

computers.

3). They have interviewed

several teachers for the job.

4). George has sent some texts and pictures to his friend’s

cellphone. 5). They have developed some

programmes for the human

resource department of their

company.

3. Do some exercises: choice Step5: Further Study:

高考Step5:Further Study:

高考链接(This step can be done 链接

according to teaching needs.) 1. ---How long _____ at this

job?

B

--- Since 1990.

A. were you employed

B. have you been employed

C. had you been employed

D. will you be employed

2. When and where to go for

the on-salary holiday ___yet.

(2003 上海春季)

D

A. are not decided

B. have not been decided

C. is not being decided

D. has not been decided

3．All the preparations for the

task ___, and we are ready to

start. (2000 北京春季)

D

Step 6: Homework Step 6: Homework

1. Recite the sentences from

the text. 2. Revise the present perfect

passive voice after class, and

try to grasp the different forms

and their usage.