Learning about Language教学设计及课堂实录

BOOK 2

Unit3

Learning about Language教学设计

1 Find 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 2

Complete the passage with the words below. artificial technology intelligent Web applications explore 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 interest in ________ intelligence. After developing special __________ of the computer, he hopes to design an _________ robot which

can think ________ and look like a human

being, but in ______ he has a long way to go.

Grammar Purpose: To get Ss to have knowledge of this grammar point: present perfect passive voice.

(1) Presentation

①

Revise the grammar: the present passive voice. am / is / are + done ②

Revise the grammar: the present perfect voice. Have/has + done

③

Explain the grammar: the present perfect passive voice. ——>Have/has been +done The Present Perfect Passive Voice 1. 两种时态

1) 现在完成时(have/has + 过去分词) 现在完成时的动作或情况虽然发生在过去，但它强调的是与现在的关系，用来说明现在的情况。现在完成时不能与表示确定的过去时间的状语连用, 如: yesterday, two weeks ago, in 1978, when I got there 等, 现在完成时常与

already, always, often, ever, never, yet, not...yet, just等不表示明确的时间副词连用, 还可以和表示时间一直延续到目前的带since, for 的状语及包括现在在内的词连用。如: now, today, this month, this year, recently, these few days 等。不能用在现在完成进行时态的动词, 如: be, have, like, love, know, believe, hate等。

一般过去时则是表示过去某时发生的动作或情况, 与现在毫无关系。

2) 现在完成进行时

(have/has + been + 现在分词) 2. 七种被动语态形式

1) 一般现在时的被动语态

(am/is/are+ 过去分词)

如: The work is done during two days. 2) 一般过去时的被动语态

(was/were+ 过去分词) 如: He was sent to the hospital

immediately after the accident. 3) 一般将来时的被动语态

(will/shall + be + 过去分词或

+ be going to + be + 过去分词) 如: The work will be finished soon. 4) 现在进行时的被动语态

(is/am/are + being+ 过去分词) 如: The bridge is now being constructed. 5) 现在完成时的被动语态

(have/has +been + 过去分词) 如: The radio has been repaired when

we phoned the shop. 6) 带情态动词的被动语态

(情态动词

+ be + 过去分词) 如: This can be done in a few minutes. 7) 动词不定式的被动式

(to be + 过去分词) 如: It is an honor for me to be asked

to speak here.

现在完成时的被动语态

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, 其构成是: have/has been + done。如：

1. The dirty clothes have been washed.

脏衣服都已经洗了。

2. The plan has been studied by the

experts for three times.

这项计划已经由专家研究过三次了。

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

这些年来, 这个小孩一直由王奶奶照料。

现在完成时被动态：

have / has + been + 动词过去分词

现在完成进行时：

have / has + been + 动词现在分词

(2) Practice Purpose: To get Ss to have knowledge of the grammar through exercise. ①

Fill the blanks with the correct tense. A. –The window

is dirty.

It ____________ ________ (not clean) for weeks.

B. ---George and Lucy got married last week. Did they have a big wedding?

---No, I __________________

(not invite).

Did they have a big wedding? .

C. ---Have you moved to your new apartment?

---Not yet, it _______________(paint) at the moment.

D.

too much. The students have been made __________(not play) computer games E.

Since then, all different kinds of information ____________________(处理)by

computers.

F.

He doesn’t mind the story _____________(编造) in this way.

G.

Do you know how many websites there are

________________(连接)? Suggested Answers:

A. hasn’t been cleaned

B. hadn’t been invited

C. is being painted

D.

not to play

E. has been dealt with

F. being made up

G. to be connecte ②

Translating following sentences into Chinese and pay attention to the present passive voice.

A. A new personal computer has been bought.

B. Many problems ahs been found with our new computer. C. A PC has been built the way we wanted. D. Our computer has just jointed to the Internet. E. The computer ahs been used every day since we bought it. F. A lot of e-mails have been written on the computer in the past year. Step 2. Homework

Finish Ex1 (P21), Ex2 (P21) and Ex3 (P21).