Learning about Language优质课教案设计

河北蒙中高一英语

必修2 Unit3 2019年6月

主备人：薛春艳

. Book2 Unit3 Computers The Present Perfect Passive Voice （现在完成时的被动语态导学案

Learning aims；(学习目标）

1. To know the structure and definition of the present perfect passive voice. 2. To learn the sentence pattern and usages of the present perfect passive voice. 3. To become interested in grammar learning and try to use them freely.

(重难点）

Teaching important point：Use present perfect passive voice freely.

Teaching difficult point：

To learn the usages of the present perfect passive voice.

一．Observe the following sentences, and find something in common. 1.Over time I have been changed quite a lot. 2.I have been used in offices and homes since the 1970s. 3. I never forget anything I have been told! 4. Since the 1970s, many new applications have been found for me. 5. I have also been put into robots and used to make mobile phones . 二．现在完成时的结构

三．概念(The concept)：

1. 说话时

的动作或出现的结果。

2.

是行为动作的承受者。

【注意】

1. 过去分词前有两个助动词have/has和been。2. 必须表示被动。

I ____________(tell) about it many times．

The bridge ________________(build)．

三．

The usages：

1.过影响现（过去已经发生的动作对现在造成的影响）

The classroom has been cleaned.

(the classroom was cleaned and now it is clean.)

2. 过持到现（过去已经发生的动作一直持续

到现在）

3.主语为动作的承受者（及主语被…）如：把下面句子改为被动语态：

Workers

have built

the house

for two months.

动作的执行者

谓语动词

动作的承受者

4. 标志语

1)强调过去的动作对现在造成的影响或后果already,yet, just, never, recently 等副词

(常放在have或has之后)连用。

The work has

been completed.这份工作已经被完成了。

2). 表示一个被动的动作或状态开始于过去,持续到现在,并可能持续下去,常与for 或since引导的时间状语连用,或用于How long...?句型中。

My car

for two days.(repaire) The house

since the family moved out. （paint）

3). 用在条件状语从句中，表示将来某时已经完成的动作.

We will start as soon as the work has been finished.

即学既练

1.The important problem _________________ (discuss) for nearly two weeks. Many

a

little makes a mickle. 积少成多

河北蒙中高一英语

必修2 Unit3 2019年6月

主备人：薛春艳

. 2.How long has the machine ___________ (use)?

4）常用于现在完成时的句子中，since then /since +从句,so far, by now, up to now, recently, lately, already, yet, in/during the past/last + 段时间等。

四．注意：

1. 只有及物动词才有被动语态,不及物动词(词组)没有被动语态。

例如: happen, take place, die, appear, disappear, fail, remain, lie, last, sit, stand, break out, come true, belong to等。

What _____________(happen) to your brother?

2. 但许多不及物动词加介词或副词构成的动词短语，相当于及物

动词，也可以有被动语态。但动词短语是一个不可分割的整体，变为被动语态时,不可丢掉构成短语的介词或副词。

The child ______________ (take) good care by his grandma all these years. A notice ___________(put) on the wall. 3. 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。

My brother has had(不能用has bought) this bike for

almost four years. 判断对错：How long has this book been bought?

(

) How long ago was this book bought?

(

)

五.句型(the sentence patterns)：

1. 现在完成时被动语态肯定句句型：

These trees ________________(water) lately.

2. 现在完成时被动语态否定句句型：

The task _____________________(finish) yet.

Many workers_____________________（train) in the company.

3. 现在完成时被动语态一般疑问句句型：

Has a new computer

? （buy）

Have they

abroad to study English?(send) 4. 现在完成时被动语态特殊疑问句句型：

Where has the car

?(repair) Who

by the new computer? (help) How many buildings have been built in this school? 当堂检测：【高考链接】完成句子。

1.(天津高考) The dictionary is out of date: many words

_______________(add) to the language since it

was published. 这本词典过时了。自从它发行以来，许多词已经被添加到语言中。

2. (天津高考)Despite the previous rounds of talks, no agreement _______________ (reach) so far by the two sides.

虽然经过了先前几轮的谈判,但是到目前为止,双方没有达成共识。

3. (天津高考)We won’t start the work until all the preparations ___________ (make).我们在所有的准备做好之后才开始工作。

4. (北京高考)Shakespeare’s play Hamlet ________________

(make) into at least ten different films over the past years.

莎士比亚的戏剧《哈姆雷特》在过去几年里被制作成了至少十部不同的电影。

Many

a

little makes a mickle. 积少成多