Learning about Language教学设计一等奖

Periods 3

Learning about Language

Teaching Goals:

1. To learn about The Present Perfect Passive Voice 2. To learn how to use some useful words and expressions. 3. To learn how to use some useful structures Teaching Procedures: Step 1. Fill the word or expression for each of the following meanings from the text. 1 _________ complete change in ways of thinking, working, etc 2 ________ connected computer system 3 _________ to make things easier 4 _________ to find the answer using numbers 5 _______can be moved easily from place to place 6 _______ to work out the answer to a problem 7 _______to travel around an area to find out about it 8 _______ completely 9 ________ anyway 10 _______ activity of managing money Suggested answers: revolution

network

simplify

calculate

mobile

solve

explore totally

anyhow

finance

Complete the passage with the words below.

artificial

technology

intelligent

applications

explore

Web

reality

logically My brother was very interested in computers and enjoyed writing programs of his own. He used to download information from the Internet and made good use of it. He liked to ________ the World Wide _______ and used the Internet to communicate with computer programmers all over the world. When he went to university he studied IT (information ___________)and developed a special in ________ intelligence. After developing special ____________of the computer, he hopes to design an __________ robot which can think ________ and look like human being, but in ________ he was a long way to go.

Step 2. Grammar The Present Perfect Passive Voice Learning about passive voice—an overview

Tense or Model Simple Present Simple past Simple Future Passive Sentence The TOEFL exam is given every six months. The TOEFL exam was given last month. The TOEFL exam will be given every year.

Tense or Model Present

Continuous Present

Perfect Passive Sentence The TOEFL exam is being

given every year. The TOEFL exam has been

given every year since 1950. The TOEFL exam had been

given before the Vietnam

War occurred. Past perfect

Step 3. Details 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。

Understanding the structure of the present perfect passive voice The structure of the present perfect passive voice is: have / has ＋

been＋~ed 1.

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. 2. 并不是所有动词都有被动语态

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

[误] Great changes have been taken place in China since 1978.

[正] Great changes have taken place in China since 1978. 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。如：

The patients have been taken good care of. 4. 一些特殊动词, 如borrow, finish, begin, buy, start, return, marry, open, join等构成的现在完成时的被动语态不能与表示一段时间的状语连用。若要表达相应的意思，

则需改换动词或时态。如：

My brother has had (不能用has bought) this bike for almost four years. How long has this book been bought? How long ago was this book bought? Step 4.

1.现在完成时被动语态肯定句

主语+has/ have been +P.P.+...(P.P.=动词的过去分词形式) Her motorbike has been stolen. 她的摩托车被盗了。

All the offices have been linked by computer.

所有的售票处由计算机联网工作。

2.现在完成时被动语态否定句

主语+has/ have +not+ been+ P.P.+... The task has not been finished yet. 任务尚未完成。

Many skilled workers have not been trained in the company. 这家公司并没有培养多少熟练工人。

3.现在完成时被动语态一般疑问句

[句型1]Has he(she, it,单数名词)+been+P.P.+...? Has a new computer been bought? 买了一台新电脑吗? Have they been sent abroad to study Eng-lish? 他们已经被派往国外学英语了吗? 4.现在完成时被动语态特殊疑问句

疑问词+have (has)+主语+been+ P.P.+...?

What has been bought by Tom?

汤姆已经买了什么东西?

Who have been helped by the new computer?谁已经得到这种新计算机的帮助?

How many buildings have been built in this school?

这所学校已经建造了多少座大楼?

Where has the car been repaired?

这辆小汽车已经在哪里修理好了?

Step 5. Practice 1. A personal computer has bought by us.

A personal computer has been bought by us. 2. Many problems has been found with our new computer.

Many problems have been found with our new computer. 3. A PC has been builded the way we wanted.

A PC has been built the way we wanted. 4. Our computer just has been joined to the internet.

Our computer has just been joined to the internet. 5. The computer was used every day since we bought it.

The computer has been used every day since we bought it. 6. A lot of e-mails had written on the computer in the past 5 years.

A lot of e-mails have been written on the computer in the past 5 years.

Homework: 1. Review the content in this period. 2. Finish exercise 3 on page 21.