Learning about Language教案和学案内容

Unit 3 Computers Learning about language Grammar----the Present Perfect Passive Voice Teaching goals:

1.Knowledge goals 1). Get students to know the structure of the present perfect passive voice. 2). Let students learn the usages of the present perfect passive voice. 2. Ability goals Enable students to use the present perfect passive voice correctly and properly. 3.

Emotion goals 1). Get students to become interested in grammar learning. 2). Develop students’ sense of group cooperation.

Teaching important points Get students to master the structures and usages of the present perfect passive voice. Teaching difficult points Enable students to learn how to use the present perfect passive voice correctly. Teaching methods 1.Task-based teaching and learning 2. Cooperative learning and practice Teaching procedures Step Ⅰ. Revision:

Review the Present Perfect Tense . 什么是现在完成时?

1.概念：现在完成时表示过去发生的动作对现在的影响或者从过去开始一直持续到现在的动作或状态。

2.构成: 主语+have/has+done 主语+have/has not+done Have /has +主语 +done？ 特殊疑问词+ have /has +主语 +done？

StepⅡ.Grammar

Learn the Present Perfect Passive Voice 阅读感悟(一) 1.We have invited many teachers to attend the class. 2. Mary has been in China since 2009. 3.They haven’t cleaned the room for weeks.

4.Have you given up smoking ? 5. What have you done by now? 阅读感悟(二) 1.Many buildings have been built in our school. 2.Computers have been used in offices and homes since the1970s. 3.The task has not been finished yet. 4.Has your homework been finished? 5.Where has the car been repaired? 归纳展示:The Present Perfect Passive Voice

结构：

主语+have/has +been + done

主语+have/has not been + done Have /has +主语 + been + done? 特殊疑问词+ have /has+主语+been+done? 精讲点拨 注意： 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。

Change the following sentences into the present perfect passive voice. Workers have built the house since two years ago. →The house has been built by workers since two years ago. 当堂检测(一) 1. We have received many letters since last week. →Many letters have been received since last week. 2. My friend has bought a new personal computer. →A new personal computer has been bought by my friends. 3.The shop has repaired my computer very quickly. → My computer has been repaired by the shop very quickly . 当堂检测（二）

Making up sentences using present perfect passive voice: The buildings, destroy, in the earthquake

The buildings have been destroyed in the earthquake. machine,replace, computer The machine has been replaced by the computer. new bridge, build , in our city A new bridge has been built in our city. many trees ,plant,along the road Many trees have been planted along the road. 当堂检测（三）

Fill in the blanks. 1. _____all the letters _____________ ?(post) . 2. The plan___________________ (study) by the experts for three times. 3.The two pens ______________________ by him. （not, take away) 4. What __________________ into many foreign languages?（ translate）

5.Great changes have__________ (take place) in China since 1978. 拓展延伸

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, 如:happen, take place, last, stand, break out, come true, belong to等。

2.许多不及物动词加介词或副词构成的短语动词，相当于及物

动词,变为被动语态时介词或副词不可省略也不可拆分。

如： Grandma Wang has taken good care of the child all these years. 当堂检测（四）

Translate the sentences into English 1.Tom 的梦想已经实现。

Tom’s dream has come true.

2.他的观点受到许多人的嘲笑(laugh at)。

His ideas have been laughed at by many people. 能力提升

Recently we __________ (buy) a new computer.It ____________(use) every day since we bought it. We __________ (join) our computer to the Internet. ________, we have found many problems with it. So we decided ______(ask) a professional man to repair it. Soon he _______( repair) the computer . ____ excited we are! These days a lot of e-mails__________________ (send) through computer. Even a report about how to use computers _____________ (write). What a useful tool it is in our family ! StepⅢ.Summary 现在完成时的被动语态

结构: S + have/has been +done(过去分词) 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, 如:happen, take place, last, stand, break out, come true, belong to等．

2．许多不及物动词加介词或副词构成的短语动词，相当于及物动词,变为被动语态时不可省略也不可拆分。

StepⅣ.Homework 1. Finish Exe. 1 on Page 41. 2. Go over “the Present Perfect Passive Voice”.