Learning about Language设计意图

Unit 3 in book 2 Computers ---the Present Perfect Passive Voice

Teaching goals:

1. Learn the Present Perfect Passive Voice. 2.Help the students master the way of using the correct voice and use it correctly. Difficulties and important points: 1.

Make the students master the Present Passive Voice well. 2.

Make the students learn to analyze the part the sentence.

Teaching procedures Step 1 Warming up. 1.

Revision

Review the important language points ,and ask the students to answer the questions. Step 2. Presentation

1.Enjoy a poem. Look at the way your face has been washed Look at the way your hair has been combed Look at the way your shoes have been cleaned You’d better do them again.

Look at the way the flowers have been planted

Look at the way the grass has been cut Look at the way the paths have been swept I hope that you’ll come here again.

(make the students find the Present Perfect Passive Voice ) 2.Give some explanations (1)构成：

主动语态

被动语态

现在完成时

have/has done

have/has been done He has been sent to study the new technology in the company. The dirty clothes have not been washed. Have the windows been cleaned? How many shopping centers have been built in this city? (2) 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,

die, appear, disappear, fail, remain, lie, last, sit ,stand, break out, come true, belong to等．如：

What has happened to your brother? (3)但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，也可以有被动语态。

但短语动词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。如：

The child has been taken good care of by Grandma Wang all these years.

A notice has been put up on the wall

(3)

Practice ①. I got caught in the rain and my suit____.

A. has ruined

B. had ruined

C. has been ruined

D. had been ruined

②. The mayor of Beijing says that all construction work for the Beijing Olympics_______

by 2006.

A. has been completed

B. has completed

C. will have been completed

D. will have completed ③. ----

The window is dirty.

----

I know. It ________ for weeks.

A.

hasn’t

cleaned

B. didn’t

clean

C. wasn’t

cleaned

D. hasn’t

been cleaned

④.--- George and Lucy got married . Did you go to their wedding? --- No, I ____.

Did they have a big wedding?

A. was not invited

B. have not been invited

C. hadn’t

been invited

D. didn’t

invite ⑤.The construction of the two new railway lines_______by now.

A. has completed

B. have completed

C. have been completed

D. has been completed

Step 3

Summary Step4

Homework To finish the exercise of the reference book on page 32.